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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A

SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A

Product catalog summary

Introduction
The document is a technical catalogue for the SACE Tmax XT series of low voltage moulded-case circuit-breakers by ABB SACE, designed for up to 250A. It highlights the advanced features, versatility, and technological innovations of the product line.

Product Overview
The SACE Tmax XT series includes four frames: XT1, XT2, XT3, and XT4, with capacities ranging from 160A to 250A. These circuit-breakers are available in three-pole and four-pole versions, with fixed, plug-in, and withdrawable options. They feature the latest thermomagnetic and electronic trip units, offering interchangeability and high performance.

Construction Characteristics
The circuit-breakers are designed with double insulation, positive operation, and electromagnetic compatibility. They can be installed in various positions without performance derating up to 2000m altitude. The devices operate in temperatures from -25°C to +70°C and offer different IP protection levels.

Advanced Electronics
The Ekip trip units, part of the Tmax XT series, provide high reliability and precision. They include features like a continuous green LED for operation indication and a communication module for device interaction. Accessories such as the Ekip Display and Ekip LED Meter enhance usability.

Regulations and Standards
The SACE Tmax XT circuit-breakers comply with IEC 60947-2 standards and various EC directives. They are certified by several naval registers and have a hologram for authenticity. ABB SACE's quality and environmental management systems are certified to ISO 9001, ISO 14001, OHSAS 18001, and SA 8000 standards.

Technical Specifications
The document provides detailed technical specifications, including rated service voltage, insulation voltage, breaking capacities, and mechanical and electrical life. It also outlines the dimensions and weight for different configurations.

Conclusion
The SACE Tmax XT series represents a significant advancement in circuit-breaker technology, offering extraordinary performance, versatility, and reliability for a wide range of applications.

Specifications
The front label of the circuit-breaker includes key specifications such as rated current (In), rated impulse withstand voltage (Uimp), insulation voltage (Ui), short-circuit breaking capacities (Ics and Icu), and service voltage (Ue). It also references compliance with IEC 60947-2 and NEMA-AB1 standards.

Trip Units
The document categorizes trip units into magnetic, thermomagnetic, and electronic types, each with specific protection features. Magnetic trip units offer fixed or adjustable thresholds, while thermomagnetic units provide adjustable thermal and magnetic thresholds. Electronic trip units, such as the Ekip series, offer advanced protection functions for distribution networks, motors, and generators.

Residual Current Devices
These devices are classified into instantaneous and selective types, with specific models like RC Inst and RC Sel 200 providing tailored protection features.

Family Ranges
The SACE Tmax XT circuit-breakers are available in various models (XT1, XT2, XT3, XT4) with different rated currents and configurations. They are suitable for both AC and DC applications, with options for fixed, plug-in, and withdrawable versions.

Main Characteristics
The circuit-breakers are designed for optimal protection against overloads, short-circuits, and earth faults. They feature high let-through current peak and energy limiting characteristics, ensuring reliable operation in low voltage distribution networks.

Electronic Trip Units
These units, such as Ekip I and Ekip LS/I, offer adjustable protection thresholds and trip curves. They include features like LED indicators for status and alarms, manual settings via dip-switches, and test connectors for diagnostics.

Applications
The document highlights the suitability of SACE Tmax XT circuit-breakers for special applications, including 400Hz installations and communication systems, ensuring versatility across different installation requirements.

Specifications and Procedures
The document outlines the specifications for electrical accessories, particularly focusing on the connectors for circuit-breakers. It specifies that connectors for both fixed and moving parts are supplied with the MOE motor operator, as there is no dedicated code for the withdrawable version. The connectors must be installed on the right side of the circuit-breaker, allowing automatic disconnection of auxiliary circuits when the circuit-breaker is withdrawn.

Residual Current Releases
The document describes two types of residual current circuit-breakers: 'mixed' and 'pure'. Mixed circuit-breakers provide protection against overloads, short-circuits, and earth fault currents, while pure circuit-breakers only offer residual current protection. These devices comply with IEC 60947-2 annex B and IEC 61000 standards.

Residual Current Devices for Tmax XT Circuit-Breakers
The document provides a table listing residual current devices compatible with the Tmax XT family, detailing their configurations (fixed, plug-in, withdrawable) and features such as microprocessor technology, power supply, and connection options.

RC Sel and RC Inst Residual Current Releases
These releases are available for XT1, XT2, XT3, and XT4 circuit-breakers, with features like current setting, power-on LED, alarm signals, and test pushbuttons. The document explains conversion kits for changing fixed versions to plug-in or withdrawable types.

RC B Type Residual Current Release
This release is used with XT3 circuit-breakers and is sensitive to various fault current types. It allows frequency band selection to suit different industrial requirements.

RCQ020/A Panel Type Residual Current Release
This device is suitable for installations with restrictive conditions and offers a wide range of settings for residual current protection. It requires an auxiliary power supply and can detect current leakage from 30mA to 30A.

Accessories for Electronic Trip Units
The document describes accessories like the Ekip Display and Ekip LED Meter, which provide current values, alarms, and parameter programming. These accessories are compatible with various Ekip electronic trip units and offer features like self-supply mode and backlighting.

Overview
This document provides detailed technical specifications and descriptions of various accessories and components used in circuit-breakers and electronic trip units. It covers installation, compatibility, and functionality aspects of these components.

1. Ekip LED Meter
This device indicates the operational state of a circuit-breaker through different colored LEDs. It operates in self-supply mode and is compatible with certain front accessories but not with withdrawable breakers.

2. SACE PR212/CI Contactor Operator
This interface device allows the Ekip M-LRIU to command a contactor. It can be installed on a DIN rail or door and is used with XT2-XT4 circuit-breakers for motor protection.

3. Current Sensor for External Neutral
Designed for XT2 and XT4 circuit-breakers, this sensor reads neutral current for protection functions. It requires a specific connector for installation.

4. Connection Accessories
Various connectors are available for linking electronic trip units to external components, including connectors for auxiliary power supply and communication lines.

5. HMI030 Interface
This interface, used with Ekip Com, provides a graphic display for viewing measurements and alarms. It supports Modbus and Local Bus communication.

6. Ekip Com Module
Facilitates remote control of circuit-breakers and connects trip units to Modbus networks. It is available for fixed and withdrawable circuit-breakers.

7. EP010 Fieldbus Interface
Integrates SACE Tmax XT circuit-breakers into communication systems using various protocols like Profibus and DeviceNet.

8. Ekip Connect Software
A diagnostic tool for ABB SACE products, it simplifies the installation and troubleshooting of Modbus communication networks.

9. Ekip T&P Kit
Used for supervising, configuring, and testing electronic protection trip units. It includes various components and software for comprehensive testing.

10. ATS021 and ATS022
These Automatic Transfer Switches manage power line transfers to ensure continuous power supply. They offer advanced features like Modbus communication and priority line selection.

11. Compatibility and Standards
The document includes compatibility tables for accessories and outlines compliance with various standards for electronic equipment and environmental conditions.

Overview
This document provides technical specifications, installation procedures, and wiring diagrams for the Tmax XT4 circuit-breakers and their accessories. It includes detailed drilling templates, terminal configurations, and wiring instructions for various configurations and versions of the circuit-breakers.

Specifications

Drilling Templates: Detailed templates for doors with direct rotary handles, with and without flanges, and for circuit-breaker fixing on sheets.
Overall Dimensions: Dimensions for Tmax XT4 accessories and installations, including plug-in and withdrawable circuit-breakers.
Terminals: Information on various terminal types such as EF, ES, MC, and HR/VR, including fixing distances and insulating barriers.

Installation Procedures

Fixing Instructions: Guidelines for fixing circuit-breakers at specified distances with or without flanges.
Insulating Distances: Minimum center distances for installation in metallic cubicles, ensuring safety and compliance with voltage requirements.

Wiring Diagrams

Reading Instructions: Diagrams are provided for fixed, plug-in, and withdrawable versions, showing state of operation and auxiliary circuit connections.
Graphic Symbols: Symbols used in diagrams are based on IEC 60617 and CEI standards, covering various components like contacts, transformers, and relays.
Specific Configurations: Diagrams for different circuit-breaker configurations, including those with thermomagnetic and electronic trip units.

Recommendations

Insulating Barriers: Use of compulsory insulating barriers between phases to ensure safety.
Adaptor Requirements: Certain configurations require adaptors that are not provided and must be sourced separately.

Critical Information

Mandatory Components: Insulated plates and barriers are compulsory for certain voltage levels and configurations.
Optional Accessories: Terminal covers with IP40 protection and key locks are available as optional accessories.

Wiring Diagrams and Descriptions
The document provides detailed wiring diagrams for various electronic trip units such as Ekip LSI, Ekip LSIG, and Ekip M-LRIU. These units are connected with display units like Ekip Display or Ekip LED Meter. The diagrams illustrate auxiliary circuits and connections with interface units like Ekip Com and HMI030, highlighting components such as current transformers, opening solenoids, and connectors.

Specifications and Standards
The document emphasizes compliance with standards like IEC 60950 and UL 1950 for galvanically separated converters, ensuring leakage currents do not exceed 3.5 mA. It also references standards IEC 60364-41 and CEI 64-8 for electrical installations.

Resetting Instructions
Instructions for resetting circuit-breakers after tripping are provided, with options for manual and electrical resetting. The document advises on wiring requirements and emphasizes the need to identify the cause of tripping before resetting.

Ordering Codes
The document includes ordering codes for circuit-breakers and accessories across different models (XT1, XT2, XT3, XT4). It provides examples of ordering configurations, specifying terminal types and installation kits.

Key Components and Connections
- Electronic Trip Units: Ekip LSI, LSIG, M-LRIU
- Interface Units: Ekip Com, HMI030
- Actuator Units: MOE-E for stored energy motor operators
- Connectors: Various types for auxiliary contacts and circuit-breaker applications
- Current Transformers: Placed on phases L1, L2, L3, and neutral

Notes
The document includes notes on the use of insulated auxiliary power (Uaux) and the importance of using appropriate converters to prevent excessive leakage currents.

Overview
This document provides detailed ordering codes and specifications for XT2 circuit-breakers and their accessories. It includes information on thermomagnetic and electronic trip units, as well as various accessories for installation and operation.

1. Circuit-Breakers

XT2 Circuit-Breakers: Available in different configurations such as fixed, plug-in, and withdrawable types with 3 or 4 poles. They feature thermomagnetic (TMA, TMG, MA) and electronic (Ekip LS/I, Ekip I, Ekip LSI, Ekip LSIG, Ekip M-I) trip units.
Breaking Capacity: The circuit-breakers have different breaking capacities (Icu) at 415V, ranging from 36kA to 150kA.

2. Loose Trip Units

Thermomagnetic Units: Include TMA, TMG, and MA types with various current ratings.
Electronic Units: Include Ekip LS/I, Ekip I, Ekip LSI, Ekip LSIG, Ekip M-I, and others, each with specific current ratings and configurations.

3. Accessories

Fixed Parts and Conversion Kits: Kits available for converting fixed parts to plug-in or withdrawable types, including terminal adapters and conversion kits.
Service Releases: Shunt opening releases (SOR), undervoltage releases (UVR), and their cabled versions are available for different voltage ranges.
Connectors: Include socket-plug connectors for panels and fixed parts.
Electrical Signals: Auxiliary contacts (AUX) and auxiliary position contacts (AUP) for signaling and control.
Motor Operators: Stored energy motor operators (MOE) and electronic versions (MOE-E) for various voltage ranges.
Rotary Handles: Various types of rotary handles for direct and transmitted operation, including emergency versions.
Locks: Key locks and padlocks for securing circuit-breakers in open or closed positions.

4. Key Specifications

Voltage Ratings: Accessories and releases are available for a wide range of AC/DC voltages.
Installation Options: Multiple configurations for installation, including front terminals and rear terminals.

Conclusion
The document serves as a comprehensive guide for selecting and ordering XT2 circuit-breakers and their accessories, providing detailed specifications and options for customization based on application needs.

Key Locks and Interlocks
This section details various key lock configurations for different components such as circuit breakers, handles, and motors. The KLC Ronis key locks are available in different types (A, B, C, D) and can be removed in open or both positions. RHL Ronis key locks are specified for handles with options for different or same keys. Mechanical interlocks are also listed with specific types like MIR-H and MIR-V.

Residual Current Devices
Residual current devices (RCDs) are categorized by poles and types, including RC Inst and RC Sel. Panel type residual current relays are available for different voltage ranges, and toroids are specified by diameter for installation.

Installation and Accessories
Installation components include brackets for DIN rail fixing, insulating terminal covers, and phase separators. Terminals are available in various configurations, including front, extended front, and multi-cable terminals. Accessories for electronic trip units and motor operators are also detailed.

Ordering Codes for XT2 and XT3
The document provides extensive ordering codes for XT2 and XT3 circuit breakers and accessories. This includes thermomagnetic trip units, switch-disconnectors, and conversion kits for fixed and plug-in parts. Shunt opening releases, undervoltage releases, and auxiliary contacts are specified with both cabled and uncabled versions.

Automatic Transfer Devices and Spare Parts
Automatic transfer devices (ATS021 and ATS022) are listed with their respective codes. Spare parts for residual current devices and other components are also included, ensuring comprehensive coverage of replacement needs.

Overview
This document provides detailed specifications and ordering codes for XT4 circuit-breakers and associated components, including auxiliary contacts, flanges, and trip units. It is intended for use in electrical systems requiring precise circuit protection and control.

Specifications

XT4 Circuit-Breakers: Available in various configurations including 3 poles and 4 poles, with fixed front terminals. They feature thermomagnetic and electronic trip units with different interrupting capacities (Icu) ranging from 36kA to 150kA at 415V.
Trip Units: Multiple types are available, including TMD/TMA, MA, Ekip LS/I, Ekip I, Ekip LSI, Ekip LSIG, and Ekip E-LSIG, each with specific current ratings and functionalities.
Flanges: Different sizes and types are provided for circuit-breakers, MOD, direct handle, and residual current devices.

Procedures

Ordering Codes: Each component and configuration has a unique ordering code for easy identification and procurement.
Conversion Kits: Kits are available to convert fixed circuit-breakers into plug-in or withdrawable types, enhancing flexibility in installation and maintenance.

Accessories

Auxiliary Contacts: Options include loose uncabled and cabled contacts for different voltage ratings.
Service Releases: Shunt opening releases (SOR) and undervoltage releases (UVR) are available in both cabled and uncabled versions, supporting various voltage ranges.
Key Locks/Padlocks: Security features for fixed parts, including Ronis key locks, are provided to ensure safety and control.

Recommendations

Ensure compatibility of components with existing systems by verifying ordering codes and specifications.
Consider using conversion kits for future-proofing installations, allowing for easy upgrades and maintenance.

Overview
The document provides detailed specifications and ordering codes for various electrical components and accessories, primarily focusing on circuit-breakers and related devices. It includes information on uncabled and cabled versions of undervoltage releases, auxiliary contacts, motor operators, rotary handles, locks, residual current devices, terminals, and more.

SpecificationsThe document lists different models of undervoltage releases (UVR) and their respective voltage ranges, both in uncabled and cabled versions. It also details auxiliary contacts (AUX) for different voltage levels and configurations, motor operators (MOE) for various voltage ranges, and rotary handles with different functionalities.

Procedures and StandardsThe glossary section explains key terms related to circuit-breakers, such as mechanical switching apparatus, current-limiting circuit-breakers, and double insulation. It also covers standards for electromagnetic compatibility, tropicalization, and resistance to impact and vibrations, ensuring compliance with IEC standards and other international regulations.

Releases and ProtectionsThe document outlines the features of circuit-breakers, including their ability to handle short-circuit conditions, positive operation indicators, and isolation behavior. It emphasizes the importance of electromagnetic compatibility and tropicalization for reliable operation in various environmental conditions.

Accessories and Ordering CodesDetailed ordering codes are provided for each component, including connectors, auxiliary contacts, motor operators, rotary handles, locks, and residual current devices. The document also includes information on installation accessories like terminal covers, phase separators, and DIN rail brackets.

Key ComponentsThe document highlights the importance of auxiliary position contacts (AUP), early auxiliary contacts (AUE), and electronic trip units for enhanced functionality and safety. It also discusses the role of automatic transfer devices (ATS) and residual current devices (RC) in maintaining electrical safety and reliability.

ConclusionThis comprehensive document serves as a technical guide for selecting and ordering electrical components and accessories, ensuring compliance with international standards and providing detailed specifications for each product.

Specifications
1. Rated Service Voltage (Ue): Determines device usage and applicable tests.
2. Rated Insulation Voltage (Ui): Voltage for dielectric tests; service voltage cannot exceed this.
3. Rated Impulse Withstand Voltage (Uimp): Peak impulse voltage the device can withstand.
4. Rated Ultimate Short-Circuit Breaking Capacity (Icu): Maximum short-circuit current a circuit-breaker can break twice.
5. Rated Service Short-Circuit Breaking Capacity (Ics): Current a circuit-breaker can break three times and still carry rated current.
6. Rated Short-Time Withstand Current (Icw): Current a circuit-breaker can carry for a short time under specified conditions.
7. Rated Short-Circuit Making Capacity (Icm): Maximum peak current a device can handle.
8. Utilisation Categories: Defines circuit-breaker design for selectivity and short-circuit conditions.

Procedures and Standards
1. Electrical and Mechanical Life: Number of cycles a device can perform under load and no-load conditions.
2. Dissipated Power: Energy loss due to electrical resistance.
3. Utilisation Categories for Operating Parts: Standard categories for controlling various loads.

Releases and Protections
1. Release: Device that allows opening/closing of operating devices.
2. Thermomagnetic and Magnetic Trip Units: Protect against overloads and short-circuits.
3. Electronic Trip Unit: Uses current transformers for protection, suitable for AC networks.
4. Residual Current Release: Detects earth fault currents.
5. Protection Types: Includes magnetic, thermal, overload, short-circuit, and earth fault protections.

Distribution Systems
1. TT, TN, and IT Systems: Different earthing systems and their configurations.

Motor Protection
1. Phase Unbalance and Phase Loss Protection: Detects current unbalance.
2. Rotor Lock Protection: Protects motor from rotor stopping damage.
3. Starting Current and Time: Current and time required for motor startup.
4. Operating Class: Defines thermal relay trip curves.

Communication
1. Communication Protocol: Standardized dialogue among digital devices.
2. Modbus RS485: Common protocol in industrial automation.

Data Transmission and Communication Lines
The document describes the data transmission and reception points as nodes, with communication lines being the physical means (such as coaxial cables, twisted telephone cables, optic fibers, or infrared rays) that connect these nodes and allow data transfer.

Bus Network
The bus network structure utilizes a common transmitting medium, typically a twisted or coaxial cable, to connect all nodes in parallel. For more details, reference is made to QT9: “Communication with ABB circuit-breakers via Bus.”

Standards and Regulations

Standards: Technical specifications approved by recognized organizations to define product or service characteristics.
Directive: Rules defining essential safety requirements for products to ensure user safety.
Naval Register: Certification body for products/services conforming to International Maritime Organization regulations.
RoHS Directive: European directive aimed at reducing hazardous substances in electrical and electronic equipment.
CE Marking: A mark indicating conformity with essential requirements for marketing in the European Union.

Symbol Descriptions
The document provides a glossary of symbols used in circuit-breaker documentation, including abbreviations for various components and configurations such as circuit-breakers, terminals, handles, and auxiliary contacts.

ABB SACE Documentation
Technical documentation is available online, covering topics such as low voltage selectivity, transformer substations, distribution systems, circuit-breakers, and power factor correction. The documentation is accessible on the ABB BOL website.

Contact Information
Contact details for ABB SACE, a division of ABB S.p.A., are provided, including address, phone, and fax numbers.

Catalog excerpts

SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-1

The data and illustrations are not binding. We reserve the right to make changes in the course of technical development of the product. Copyright 2011 ABB. All rights reserved. SACE Tmax XT. New low voltage moulded-case circuit-breakers up to 250 A ABB SACE A division of ABB S.p.A. L.V. Breakers Via Baioni, 35 24123 Bergamo – Italy Phone: +39 035 395 111 Fax: +39 035 395 306-433 Technical catalogue - Preliminary SACE Tmax XT New low voltage moulded-case circuit-breakers up to 250 A

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-3

The SACE Tmax XT Ranges 2

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-4

New SACE Tmax XT. Simply XTraordinary. ABB SACE is proud to present you the result of a long and intense research and development project: the new SACE Tmax XT up to 250A - ABB SACE’s new family of moulded-case circuit-breakers.

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-5

Today a highly advanced range of circuit-breakers has been brought out, with unparalleled versatility of use and able to solve all installation problems brilliantly. You can find the new SACE Tmax XT in the three-pole and four-pole, fixed, plug-in and withdrawable versions, fitted with the very latest generation thermomagnetic and electronic trip units, with the possibility of interchangeability. The new SACE Tmax XT set up a new technological standard and leave you free to think up and build installations with extraordinary performances. An extraordinary demonstration of ABB SACE’s innovation...

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-6

New SACE Tmax XT. XTraordinary completeness of range. Here are the 4 new SACE Tmax XT frames for you: – the small XT1 up to 160A; – the high-performing XT2 up to 160A; – the reliable XT3 up to 250A; – the powerful XT4 up to 250A.

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-7

The new SACE Tmax XT go everywhere and fear no tests as they are made to respond successfully to all plant engineering requirements, from the standard ones to the most technologically advanced ones, thanks to the extraordinary fullness of their range. A complete offer up to 250A for distribution, for energy metering, for motor protection, for generator protection, for oversized neutral, as switchdisconnectors and for any other needs. A new range of both thermomagnetic and electronic protection trip units, interchangeable right from the smallest frames. To say nothing of the new and large number...

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-8

New SACE Tmax XT. XTraordinary advanced electronics. Welcome a totally renewed, high-performing and versatile range of electronic trip units. Ekip: this is the name of the new, very latest generation electronic trip units which equip the new frames of SACE Tmax XT2 and SACE Tmax XT4 circuit-breakers.

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-9

The trip units are interchangeable and guarantee absolute tripping reliability and precision. Apart from the continuous green LED, which indicates correct operation of the protection trip unit, all the Ekip trip units also have a LED to signal intervention of all the protection functions. To allow the Ekip units to communicate and exchange information with the other devices, simply insert the Ekip Com module inside the circuit-breaker, leaving the space inside the electric panel free. All the Ekip trip units can be fitted with a vast range of dedicated accessories. The main ones are: – the Ekip...

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-11

Construction Characteristics

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-12

Construction characteristics XT1 Size(G2.1) Poles Rated service voltage, Ue(G2.4) 90kA@690V only for XT4 160. Available shortly, please ask ABB SACE XT1 plug-in In max=125A [No. Operations] [No. Hourly operations] [No. Operations] [No. Hourly operations] [mm] Total opening time Circuit-breaker with shunt opening release Circuit-breaker with undervoltage release Trip units for power distribution TMD/TMA TMD Ekip LS/I Ekip I Ekip LSI Ekip LSIG Ekip E Trip units for motor protection MF/MA Ekip M-I Ekip M-LIU Ekip M-LRIU Trip units for generator protection TMG Ekip G-LS/I Trip units for oversized...

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-14

Construction characteristics Positive operation Installation positions The references in round brackets <s"> in the technical catalogue refer to the Glossary in the final charter of the technical catalogue. All the moulded-case circuit-breakers in the SACE Tmax XT family are realized in accordance with the following construction characteristics: power supply from the top towards the bottom or vice versa; versatility of the installation. It is possible to mount the circuit-breaker in horizontal, vertical, or lying down position without any derating of the rated characteristics; no nominal performance...

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-15

Regulations and Reference Standards Conformity with Standards The SACE Tmax XT circuit-breakers and their accessories are constructed in conformity with: Standard(G6.1): – IEC 60947-2; Directives(G6.2): – EC “Low Voltage Directive” (LVD) N° 2006/95/EC (in replacement of 73/23/EEC and subsequent amendments); – EC “Electromagnetic Compatibility Directive” (EMC) 2004/108/CE; Naval Registers(G6.3) (ask ABB SACE for the versions available): – Lloyd’s Register of Shipping, Germanischer Lloyd, Bureau Veritas, Rina, Det Norske Veritas, Russian Maritime Register of Shipping, ABS. Certication of conformity...

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-16

Identification of the SACE Tmax XT The characteristics of the circuit-breaker are given on the rating nameplate on the front of the circuit- breaker, and on the side rating plate. Front label Side label 1 Name of the circuit-breaker and performance level1" 3 Uimp: rated impulse withstand voltage1" 5 Ics rated short-circuit duty breaking capacity1" 6 leu: rated ultimate short-circuit breaking capacity1" "I In compliance with the I EC 60947-2 Standard

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SACE Tmax XT - New low voltage moulded-case circuit-breakers up to 250 A-17

Nomenclature of the trip units and residual current protection devices The tables below give details of the logic with which each thermomagnetic trip units, electronic trip units and residual current devices has been named. Magnetic trip units Family Name F: with fixed threshold A: with adjustable threshold Family Name A: with adjustable thermal and magnetic threshold D: with adjustable thermal and fixed magnetic threshold G: with adjustable thermal and fixed magnetic threshold (for generator protection) Thermomagnetic trip units Example: MA: magnetic only trip unit, with adjustable protection...

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