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High performance electromechanical relays

High performance electromechanical relays
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High performance electromechanical relays

Product catalog summary
Overview
Mors Smitt, a division of Wabtec Corporation, specializes in high-performance electromechanical relays for power transmission and distribution. Their products are designed to enhance safety, reliability, and efficiency in industrial applications such as power generation, factory automation, and petrochemical plants.
Product Specifications
The Actus relays are a new generation of electromechanical relays designed for high voltage protection and control. They feature a draw-out case system, fast operation of less than 8 ms, and minimal contact bounce, suitable for flush panel or rack mounting.
Safety and Reliability
The Actus system offers a compact, flexible, and high-performance solution, supporting a wide voltage operating range and user-selectable tripping relay operation, reducing costs and lead times.
Standards and Approvals
The relays comply with international standards such as EN 60255, IEC 60068, IEC 60529, and IEC 61850, ensuring reliability and durability.
Relay Types and Applications
  • MSTR High-Speed Tripping Relay: Ensures fast operation with minimal contact bounce, suitable for power utility protection and control applications.
  • MSAR Auxiliary Relay: Provides high performance and reliability with up to 12 output contacts.
  • MSXR Supervision Relay: Designed for high-security tripping and auxiliary supply circuits with a fast pick-up time.
  • MSPR Pilot Wire Intertrip Relay: Interfaces trip circuit contacts to the pilot wire with electrical isolation.
Additional Features
Relays offer options such as gold-plated contacts, custom labeling, relay operate LED, and trip counters, designed for various mounting configurations and environmental conditions.
Environmental and Quality Certifications
Mors Smitt's production sites are certified according to ISO 9001:2008 and ISO 14001:2004, focusing on environmental performance improvements.
Gold-Plated Contacts
Suitable for low currents, these contacts offer optional features such as custom labeling, relay operate LED, trip counter, and electrical reset isolation switch, supporting a wide range of operating voltages.
Arc Fault Protection
Arc fault protection systems emphasize fast response times (as low as 10 ms) and reliability, featuring optical sensors for arc detection and high-speed tripping contacts.
Test Block and Plug System
Designed for protection, metering, and control panels, these systems allow for safe isolation and testing of protection relays, featuring automatic CT shorting and sequential circuit isolation.
Environmental and Mounting Specifications
Components operate within a temperature range of -10 °C to +55 °C and humidity up to 95% RH non-condensing, with mounting options including 19” rack frames or flush mounting.
Key Options and Features
Options include auxiliary supply voltage ranges, contact configurations, custom engraving, and various sensor and LED configurations, designed for flexibility and adaptability.
Test Plug System
The MS2RMLB-S test plug is designed for use with Reyrolle & Areva test blocks, featuring 'finger safe' test sockets for shrouded 4 mm banana plugs, supporting industry-standard 14 circuit test blocks.
Technical Specifications
- Maximum make current: 400 A
- Maximum continuous current: 20 A
- Maximum switching voltage: 300 VAC/DC
- Operating temperature: -5 °C to +55 °C
- Humidity: 93% RH non-condensing
Alarm Panels
The MS1A54 alarm panel is designed for annunciation of alarms and operating events, scalable for 4, 8, or 16 alarm points, featuring LED indication and nonvolatile memory.
Phase Monitoring Relays
The MS2P48 and MS2P49 relays detect phase angle imbalance, reverse phase sequence, and supply undervoltage, designed for 3-phase supplies.
Timer Relays
The MS2T105 timer relay is used in protection and control schemes requiring precision time delays, offering multiple time ranges and high accuracy.
Frequency Monitoring
The MS2H34 relay monitors frequency with adjustable pick-up and drop-out points, featuring an undervoltage lockout and multiple output contacts.
High Impedance Differential Protection
The MS2V68 provides continuous supervision of bus wires in high impedance protection schemes, detecting open circuits and offering latching alarm contacts.
High Impedance Differential Protection (MS2V73 & MS2V75)
The MS2V73 relay offers high-speed differential protection for power systems, featuring high sensitivity and stability, while the MS2V75 module provides a compact solution for fitting a prewired 3-phase metrosil and resistor combination.
Voltage Regulation (MS2V164-S & MS1M122)
The MS2V164-S relay monitors transformer output voltage and current, providing control commands to maintain load center limits, while the MS1M122 system controls tap changers for up to four transformers.
Tap Position Indicator (MS4D200)
The MS4D200 module displays transformer tap positions using bright LED digits, suitable for SCADA systems.
Auto Reclose & Synchronism Check (MS1B230 & MS2Y212-S)
The MS1B230 relay provides automatic reclosing of circuit breakers, while the MS2Y212-S synchronism check relay ensures safe breaker closure.
Current Monitoring (MS2C74)
The MS2C74 relay offers high-speed overcurrent protection for power systems, with fast operating times and multiple contact configurations.
MS2C74 Relay
This single-phase device is suitable for rack and flush mounting, used for overcurrent protection, offering high-speed operation and high sensitivity.
MS2C200 Relay
A self-powered overcurrent relay designed for medium voltage ring main transformers, providing overcurrent and short circuit/earth fault protection.
Housing and Dimensions
The relays are designed for 19-inch rack mounting, meeting international standards for interchangeability.
Environmental Data
The devices operate within a temperature range of -10 °C to +55 °C and can handle humidity up to 93% RH non-condensing at 40 °C.
Additional Components
The MS4O203 diode box is designed for flexibility and durability, featuring a sealable front cover and protection against dust and solid ingress.
Contact Information
The document lists contact details for Mors Smitt sales offices in France, Hong Kong, the Netherlands, the UK, and the USA.
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Catalog excerpts

High performance electromechanical relays-1

Mors Smitt Industrial Technology Protection and control for power transmission and distribution Auxiliary . Tripping . Supervision . Pilot wire

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High performance electromechanical relays-3

Mors Smitt Industrial Technology High performance electromechanical relays

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High performance electromechanical relays-4

By focusing on products exellence for the industrial market, we contribute to a better environment, health and safety of all people involved

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High performance electromechanical relays-5

Mors Smitt - Industrial Technology Mors Smitt has been manufacturing relays since 1902. Our wide relay portfolio is focused on markets sectors like; power generation & distribution, factory automation, petro-chemical and water treatment plants and general industrial requirements. Production is flexible, standards unforgiving. Many units are tailored to specific client requirements. All products go through extensive testing processes with both hardware and production methodology approved to the highest standards. High performance protection and control The Actus relays are a new generation of...

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Content Auxiliary, trip & supervision New generation of electro-mechanical relays specifically designed for high voltage protection and control applications. Multi-contact high-speed trip relays ensures fast operation of less than 8 ms. The unique patented design and topology ensures minimal contact bounce. MSTR High speed tripping relay 10 MSAR High performance auxiliary relay 11 MSPR Pilot wire intertrip relay 13 MS1X50 CB trip & close module 14 Arc fault protection for the fast clearance of arcing faults on BUS bars & within metal clad switchgear & associated cable...

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Content Frequency monitoring relays with four stages of load shedding. Each stage can be established for the detection of very fast frequency loss due to disconnection from the main grid. Page MS2H34-S Definite time frequency 36 High impedance differential High speed differential protection for various items of power system plant including generators, busbar, motors & the individual windings of power transformers and for restricted earth fault applications. Page MS2V68 Busbar CT supervision & shorting 38 Voltage regulation Voltage monitoring relays, suitable where high accuracy and...

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Standards & approvals Standards & approvals are designed and manufactured with utmost care for reability and durability. VJMITT The relays are in compliance with the leading international standards. EN 60255 Relay design, specifications and environmental conditions. Electrical relays. IEC 60529 International standard describes the protection class (IP code). IEC 61850 International standard of communications for substations. Contact descriptions

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Auxiliary, trip & supervision KAR2S-CP—H-»- The effect of a fault on a power system is dependent on the speed with which the fault can be detected and isolated. Modern protection schemes incorporate ever increasing functionality through the application of digital techniques to protection relay technology. The requirement for highly reliable tripping and control relay elements does however remain and often constitutes a significant cost and space requirement when considering protection panel designs. The Actus system fulfills this need by providing a compact, flexible and high performance solution,...

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Auxiliary, trip & supervisionHigh speed tripping relay The MSTR relays represents a new generation of high speed electromechanical tripping relays for power utility protection and control applications. Application of the MSTR multi-contact high speed trip relays ensures fast operation of less than 8 ms and ensures minimal contact bounce. • Low burden auxiliary relay • Self-reset, hand reset or hand/electrical reset • Electromechanical flag indication • High reliable double action contacts • High operate speed and low bounce • 5, 2x 5 or 12 heavy duty contacts • Optional gold plated contacts...

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Auxiliary, trip & supervisionHigh performance auxiliary relay The MSAR relays provides high performance and reliability while reducing production and supply lead times. Application of the MSAR multi-contact auxiliary relays ensures reliable operation of up to 12 output contacts in a compact size 2 draw out case. The unique patented design and topology ensures minimal contact bounce. • Low burden auxiliary relay • Self-reset, hand reset or hand/electrical reset • Electromechanical flag indication • High reliable double action contacts • High operate speed and low bounce • 5, 2x 5 or 12 heavy...

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Auxiliary, trip & supervisionSupervision relay The MSXR low burden electro-mechanical supervision relays for application on high security tripping and auxiliary supply circuits. The fast pick-up time of <8 ms ensures total intertrip time is kept to a minimum. • Selectable low or high burden • Electromechanical flag indication • 5 kV isolation for application as intertrip send relay • Fast pick-up time, < 8 ms • High reliable double action contacts • High operate speed and low bounce • Configurable operate period • 5 heavy duty contacts • Wide range of operating voltages...

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Auxiliary, trip & supervisionPilot wire intertrip relay The MSPR-S intertrip SEND relay is used to interface trip circuit contacts, or other conventional protection relay contacts to the pilot wire with suitable electrical isolation for the feeder voltage level. The fast pick-up time of < 8 ms ensures total intertrip time is kept to a minimum. • User selectable low or high burden • Self-reset, hand reset or hand/electrical reset • Electrical reset interlock • Electromechanical flag indication • High reliable double action contacts • High operate speed and low bounce • 5 or 12 heavy duty contacts...

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Auxiliary, trip & supervisionCB trip & close module Two 22 mm heavy duty push buttons for the manual control & indication of CB status. The panel or rack mount configuration allows the compact MS1X50 to be located on the protection panel adjacent to the feeder protection relay. An optional locking cover is available to preclude unauthorised operation of the trip & close buttons during maintenance activities for example. • Large size push buttons • High visibility CB status LEDs • Optional CB spring charge status LED • Standard panel cover • Optional locking cover • Heavy duty output contacts •...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.