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VitzroEM Co., Ltd.
Comprehensive Low Voltage Equipment

Comprehensive Low Voltage Equipment

Product catalog summary

About VITZRO EM
VITZRO EM is a leading company in the electric equipment sector, specializing in advanced technology to enhance customer satisfaction. The company focuses on heavy electric equipment, electric power equipment, and aerospace, setting new industry standards.

Company Information
VITZRO EM aims to provide greater value to customers through faith and creativity, emphasizing high-quality electric equipment and services, prioritizing customer convenience and stable equipment use.

Company History
Founded in 1955, VITZRO EM has a history of technological advancements and global expansion, including collaborations with Japanese companies, development of circuit breakers, and significant export achievements. The company has received numerous awards and certifications for quality and innovation.

Products Guide
VITZRO EM offers a range of low and medium voltage equipment, including:

Air Circuit Breakers: Certified for nuclear power, compact, lightweight, with remote monitoring capabilities.
Molded Case Circuit Breakers: UL certified, compatible with new and old products, equipped with auxiliary devices.
Vacuum Circuit Breakers: Certified for nuclear power, short breaking time.
Earth Leakage Circuit Breakers: Standardized sizes, adjustable sensitivity.
Miniature Circuit Breakers: Compact design, increased breaking capacity.
Load Break Switch/Auto Section Switch: High fuse capacity, easy panel design.
Auto Transfer Switches: UL certified, high short circuit capacity.
Magnetic Contact: Improved quality, noise reduction.
Vacuum Contact Switches: Minimized switch surge.
Thermal Overload Relay: Direct connection to magnetic contactors.
Auxiliaries: Standardized for easier application.
Vacuum Interrupter/Embedded Pole: High vacuum maintenance.
Main Circuit Breaker for Rolling Stock: Excellent seismic performance.
Digital Protection Relay VIPAM: System protection with fault history storage.
Gas Insulated Load Break Switch: Enhanced safety features.

Overview: The document provides an overview of electrical equipment and components, focusing on safety, reliability, and efficiency. It includes specifications, features, and standards for products such as digital control meters, vacuum transfer switches, lightning arresters, surge protective devices, and air circuit breakers.

Key Sections:

Digital Control Meter: Features power quality analysis, breaker control, and automatic power factor control, certified for reliability by KATS.
Vacuum Transfer Switches: Notable for being the only medium voltage transfer switch in Korea, offering electrical and mechanical interlock.
Lightning Arrester/Surge Absorber: Features optimal motion of gapless type, outdoor usability.
Current Limit Power Fuse: Provides optimal current limit features, high breaking capacity.
Surge Protective Device: Certified by IEC and KS standards, includes a built-in fuse.
Air Circuit Breakers: Designed for industrial and residential use, offering compact design, high safety, and easy maintenance.

Product Features and Specifications:

Air Circuit Breakers: Rated current ranges from 630 to 4000A, breaking capacity of 50 to 85kA, supporting motor and manual operation.
Standards and Certification: Products comply with international standards such as IEC 60947 and KS C 4620, ensuring safety and reliability.

Conclusion: VITZRO EM is committed to creating value through advanced technology and customer satisfaction, offering state-of-the-art electric power equipment that meets high safety and performance standards.

Overview: The document provides detailed specifications and operational guidelines for the VIDER Series Air Circuit Breakers (ACB) and Over Current (Ground) Relay (OC(G)R), including ratings, installation types, and operational characteristics.

Specifications:

Frame Sizes: VAB16, VAB20, VAB40 with frame sizes of 1600, 2000, and 4000 respectively.
Rated Current: Ranges from 400A to 4000A at 40℃.
Voltage Ratings: Operating voltage (Ue) is 690V, insulation voltage (Ui) is 1000V, and impulse voltage (Uimp) is 12kV.
Frequency: 50/60 Hz.
Poles: Available in 3 and 4 poles.
Breaking Capacities: Rated breaking current (Icu) varies with voltage levels, with maximums of 100kA at lower voltages.
Service Life: Mechanical life is 15,000 operations maintained, 10,000 unmaintained; electrical life is 10,000 operations for both maintained and unmaintained.

Installation Types:

Vertical, horizontal, and plane fixing options are available, with certain limitations for higher current ratings.
Draw-out types are also available with similar configurations.

Dimensions and Weight:

Dimensions vary based on the type and number of poles, with fixed and draw-out types having different measurements.
Weight varies significantly with configuration, ranging from 40kg to over 100kg.

OC(G)R Features:

Includes options for normal, standard, and high-class types with various measurement functions and communication capabilities.
Protection features include overload, short-circuit, and ground fault protection with adjustable settings.
Communication via Modbus/RS-485 is available in high-class types.

Operational Characteristics:

Long Time Delay Protection: Adjustable current and time delay settings to protect against overload.
Short Time Delay Protection: Provides protection against over-current with adjustable settings.
Instantaneous Delay Protection: Quick response to surges with a maximum break time of 50ms.
Pre Trip Alarm (PTA): Alerts for potential trips with adjustable current and delay settings.
Ground Fault Protection: Protects against ground faults with adjustable current and delay settings.

Ordering Information:

Details on how to order the VIDER ACB body, including type, auxiliary contact, rated current, system installation, poles, and options.

Overview: The document provides detailed specifications and features of VITZRO EM Molded Case Circuit Breakers (MCCBs), focusing on user safety, convenience, and reliability. It covers various types of MCCBs, their capacities, and certifications.

Specifications:

MCCBs are available in frame sizes ranging from 30AF to 1200AF, with breaking currents from 2.5kA to 65kA.
They are designed to meet international standards such as ISO 9001, KS, IEC 60947-2, and UL 489.
Rated insulation voltage is up to 690V AC.

Types of MCCBs:

Economic Type (VBE): Rated current 30~800AF, breaking current 2.5~35kA.
Standard Type (VBS): Rated current 30~1200AF, breaking current 10~65kA.
High Interrupting Capacity Type (VBH): Rated current 30~400AF, breaking current 14~65kA.
Current Limiting Type (VBL): Rated current 50~800AF, breaking current 55~65kA.

Features:

Standardized sizes for easy compatibility and installation.
Enhanced safety with insulating materials and elegant design.
Improved breaking capacity compared to similar products.
Available in 2, 3, and 4 pole configurations.

Accessories:

Internal: Auxiliary Contact (AX), Alarm Contact (AL), Power Trip Device (SHT).
External: Insulation Barrier, Terminal Covers, External Handles.

Certifications:

Electrical Appliances Safety Certification (KC-K60947-2 for 300A or below).
UL certification for 200AF - 800AF.
ISO 9001 and ISO 14001 certifications.

Performance:

Mechanical endurance up to 8500 operations.
Electrical endurance up to 1500 operations.
Overcurrent tripping devices include Oil Dash Pot and Thermal Magnetic types.

Overview: The document provides detailed specifications and characteristics of various models of Molded Case Circuit Breakers (MCCBs) from the VBH and VBL series. These breakers are designed for different frame sizes and breaking capacities, suitable for various electrical applications.

Specifications:

Rated Insulation Voltage (Ui): All models have a rated insulation voltage of AC 690V.
Rated Ultimate Short Circuit Breaking Capacity: Varies across models and voltages, with capacities ranging from 5kA to 125kA depending on the AC or DC voltage level.
Endurance: Mechanical endurance is generally 8500 operations, while electrical endurance is 1500 operations for most models.
Over Current Tripping Device: Options include Oil Dash Pot (ODP), Hydraulic Magnetic (HM), and Thermal Magnetic (TM) devices.

Dimensions and Weight:

Dimensions vary by model and pole configuration, with specific measurements provided for each.
Weight ranges from 0.45 kg for smaller models to 18.2 kg for larger models.

Installation and Accessories:

Standard installation method is via screws.
Attached equipment includes auxiliary switches, alarm switches, shunt trip devices, terminal covers, and insulation barriers.

Application Standards and Certifications:

Complies with KS C 8321 and IEC 60947-2 standards.
Safety certification is applicable for models with a rated current of 300A and above.

Additional Notes:

DC rated breaking current values are provided as reference.
Models are available in 2, 3, and 4 pole configurations.

Specifications and Features:
The document outlines the specifications and features of various electrical components, including circuit breakers and automatic transfer switches. Key features include low operating current, safety design with molded construction, and a two-coil system for convenient operation. The products are designed for use in environments requiring high reliability and safety, adhering to international standards such as IEC 60947-6 and UL1008.

Operation and Maintenance:
Maintenance procedures emphasize the importance of checking insulation resistance and performing dielectric strength tests when necessary. The document advises on the reuse of components based on their condition and provides guidelines for addressing temperature rise and contact failures. Regular checks and maintenance are recommended to ensure optimal performance and safety.

Failure Diagnosis:
The document provides a detailed failure diagnosis section, categorizing failures into temperature rise, malfunction, conducting failure, and frequent interruption. Each failure type is associated with potential causes and recommended measures, such as fastening loose connections, replacing components, or adjusting settings to prevent recurrence.

Automatic Transfer Switches:
Automatic transfer switches are highlighted for their power-saving features, safety design, and compact structure. They are suitable for use in portable generators or UPS systems and are available in various ratings to accommodate different load requirements. The switches are designed for easy maintenance and enhanced safety, with features like transparent terminal covers and molded insulation.

Ratings and Standards:
The document lists the ratings for different models of automatic transfer switches, specifying rated current, voltage, and other performance metrics. It also mentions the applied standards, ensuring compliance with international safety and performance criteria.

Precautions and Recommendations:
Precautions include ensuring proper operation time and avoiding simultaneous operation commands to prevent coil burning. Recommendations for selecting appropriate contact capacity and ensuring proper ventilation are also provided to enhance the longevity and reliability of the equipment.

Overview: The document provides detailed technical specifications and operational guidelines for Automatic Transfer Switches (ATS) and Closed Transition Transfer Switches (CTTS) used in power systems. These switches facilitate the transfer of power between commercial and emergency sources without interruption, ensuring continuous power supply during maintenance or power failures.

Key Sections:

Uninterruptible Transfer Conditions: The document outlines scenarios where uninterruptible power transfer is necessary, such as power failure notifications, power recovery, expected instantaneous failures due to weather, and equipment testing. It emphasizes the importance of phase synchronization between UPS powers for successful transfer.
Transfer Operation Explanation: Detailed procedures for transferring power between commercial and emergency sources are provided, including conditions for closed and open state transfers.
Automatic Transfer Switch Specifications: The document lists various ATS models with specifications such as rated current, voltage, insulation voltage, impulse voltage, pole configuration, and connection types. Performance metrics like short time current, short circuit peak current, and endurance cycles are also included.
Operational Guidelines: Instructions for control command operations, interlock installations, and TR capacity calculations are provided. The document stresses the importance of using appropriate control relays and maintaining stable operating power.
Installation and Maintenance: Guidelines for the installation location, direction, and connection of control and main circuits are detailed. The document advises regular maintenance and inspection to ensure optimal performance of ATS systems.
Additional Features and Options: Options for using ATS as a Capacitor Trip Device or Rectifier are discussed, along with contact time charts and circuit diagrams for different ATS types.

Critical Information: The document highlights the importance of adhering to relevant standards (UL 1008, IEC 60947-6-1) and provides specific conditions for uninterrupted switchover, including phase, frequency, and voltage differences. It also includes detailed dimensions and weights for various ATS models, emphasizing the need for precise installation to maintain functionality.

Overview: The document provides detailed technical specifications and configurations for Low Voltage Automatic Transfer Switches (ATS) and their controllers, specifically focusing on the VITAC 200 electronic controller. It includes information on dimensions, installation, and operational procedures.

Specifications: The document outlines various types of ATS, including HS, WP, and CTTS types, with specific dimensions and configurations for each. It details the arc space size requirements based on main circuit voltage levels (220V and 600V) and provides external size measurements for different pole configurations (2P, 3P, 4P).

Procedures: The document describes the operation of the VITAC 200 controller, which monitors and controls the ATS by switching between commercial and emergency power supplies. It includes manual and automatic switchover procedures, with specific conditions for normal and abnormal power states.

Standards and Recommendations: The document emphasizes the importance of setting appropriate delay times for switchover operations and ensuring proper installation using specified panel dimensions and fastening methods. It also highlights the need for regular monitoring and adjustment of power settings using the VICOM Manager program.

Key Features: The VITAC 200 controller features include power monitoring, automatic switchover capabilities, damage prevention for ATS components, and communication functions via RS-232 serial communication. It supports both manual and automatic operation modes, with LED indicators for status display.

Communication and Installation: The document provides a wiring diagram for connecting the VITAC 200 controller to ATS types W and WP, detailing the necessary terminals and connections. It specifies the dimensions for panel installation and the use of M4×L12 bolts for secure mounting.

Critical Parameters: The document specifies voltage and frequency measurement ranges, with precision levels for both commercial and emergency power. It also defines criteria for determining normal and abnormal power states, including overvoltage, low voltage, overfrequency, and low frequency thresholds.

Overview: The document provides detailed technical specifications and operational guidelines for ATS-WN Type Connection Wiring Diagram and Magnetic Contactors/Switches. It includes sections on features, product descriptions, order methods, and standard product lists.

Specifications: The document outlines the specifications for various magnetic contactors, including their rated operational voltage, insulation voltage, frequency, and current carrying capacity. It also details the auxiliary contact configurations and thermal overload relay combinations.

Procedures: Instructions for wiring and installation are provided, emphasizing safety features such as transparent terminal covers and ergonomic designs for easy coil replacement. The document also describes the operational signals and status signals for the ATS-WN type connection.

Standards and Certifications: The products comply with international standards such as IEC 60947-1 and CE certifications. The document also mentions compliance with the Electrical Equipment Safety Management Act.

Recommendations: Recommendations include using the appropriate coil voltage range to ensure optimal performance and safety. The document advises on the correct installation methods to prevent overheating and ensure longevity.

Key Data from Tables: The tables provide detailed data on the rated current, operational voltage, and dimensions for various models of magnetic contactors. They also include information on auxiliary contact ratings and configurations.

Critical Information: Emphasis is placed on the importance of using the correct voltage range for coil operation and ensuring proper installation to maintain safety and functionality. The document highlights the extended life and improved quality of the products due to advanced technology and design.

Overview: The document provides detailed technical specifications and operational guidelines for thermal overload relays, specifically designed for direct connection to magnetic contactors. It covers various models, their features, and operational parameters.

Specifications: The thermal overload relays are available in multiple types (VOR22c, VOR40c, VOR65c, etc.) and are designed for easy integration with magnetic contactors without additional wiring. They feature a finger-proof cover for safety and separate power and operation parts to enhance safety.

Operational Features: The relays offer easy operation with a three-step current setting, adjustable using a screwdriver. Users can choose between manual and automatic reset options. The relays also provide trip indication and temperature compensation, eliminating the need for separate adjustments for ambient temperature changes.

Type & Ratings: The document lists various models with their nominal ratings and adjustment ranges. It includes detailed tables showing the rated current for each model and their corresponding adjustment ranges.

Characteristics Curve: The document includes operation time characteristics for cold and hot start conditions across different models, indicating the time taken for operation at various multiples of rated current.

External Dimensions & Contact Configuration: Detailed dimensions and contact configurations are provided for each relay type, ensuring proper installation and compatibility with existing systems.

Electronic Over-Current Protection Relay: The document outlines different types of electronic overload relays, their features, and how to order them. It includes information on current settings, operating power, and protective functions.

Connection Diagrams: Various connection diagrams are provided for different relay types, illustrating how they should be connected within a system.

Technical Data: The document concludes with technical data, including operating characteristics, protective functions, and environmental conditions for optimal operation.

Overview: The document provides technical specifications and operational guidelines for VOPR (Voltage Operated Protective Relay) systems, focusing on their application in motor protection. It includes detailed descriptions of delay times, operating modes, and safety precautions.

Specifications: The document lists various models and their corresponding operational parameters, such as delay times (D-TIME and O-TIME) and reset methods (manual, electrical, and automatic). It also outlines the characteristics of different VOPR types, including fail-safe and non-fail-safe modes.

Procedures: Instructions are provided for resetting and testing the VOPR systems. The document emphasizes the importance of correct power connections and periodic testing to ensure proper functionality.

Standards and Recommendations: The document advises on the selection of VOPR systems based on motor thermal characteristics and provides guidelines for installation and maintenance to avoid operational issues. It highlights the need for compatibility between VOPR and motor protection curves.

Precautions: Key precautions include ensuring correct power connections, avoiding excessive force during installation, and protecting the system from environmental factors like dust and temperature extremes.

Technical Data: The document includes a comparison of anti-sensitive and determinative characteristics, explaining how these affect trip times and operating curves. It also provides a glossary of terms related to VOPR operation.

Contact Information: The document concludes with contact details for VITZROEM Co., Ltd., including their head office and regional offices in Korea.

Catalog excerpts

Low-Voltage Equipment General Catalog

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Contents About VITZRO EM Company Information Company History Products Guide Company Vision

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Create Better Life To the Light of Technology, To the Light of Value and To the Light of Reliability VITZRO EM, in company with the customers VITZRO EM is a leading company in the electric equipment field, developing an advanced technology, to provide more satisfaction and more advantages for you. Based on a great, expert knowledge and technology on heavy electric equipment, electric power equipment and aerospace field, VITZRO EM creates a new value to propose a new standard that will change the future.

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A Bright Future, VITZRO EM A company that customers love more than ever for we give you a larger value. Find a bigger world along with VITZRO EM!

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A company that believes in faith and creativity as the optimal value VITZRO EM has developed into a manufacturer of MV equipment, LV equipment, protective equipment and relays in the domestic electric equipment business with the company vision, ‘Faith’ and ‘Creativity.’ Based on the ‘Faith’, we think of our customers and with ‘Creativity’, we provide a new value. VITZRO EM will provide the new value for the convenience of customers. Basically, high-quality electric equipment and services will be provided and we will endeavor to meet the requirements of customers through our humane and sensible...

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Technology Integrated Global Group The History of VITZRO EM is the History of Technology. VITZRO EM was founded in 1955, at the embryonic stage of domestic electric power industry and as we continue our tradition and history for over half a century, we constantly challenged and leapt forward, leading the future with the reputation of Korea’s best technology company.

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1955~1988 _ History of Technology, Open Up New Vistas Kwangmyung Electric Co. was founded in 1955 and started as a neutral electricity manufacturer in January, 1968 and moved the plant to Seongsu-dong in April, 1972. The company prepared a foundation as a technology company through a technical tie-up with AICHI Company and VSS & ATS of Japan in April, 1981 and a technical cooperation with MEIDENSHA Company of Japan and a contract was concluded on Korean retail stores (V.I) in December of the same year. VCB 7.2kV-Class Type Test (localization) was completed in July, 1982 and VCB 25.8kV-Class MCSG...

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Best products of electric equipment field including LV and HV from designing, manufacturing, installing and diagnosing the equipment to composing the power system, it is based on the accumulated, global standard technology and continuous R&D. Air Circuit Breakers IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII Molded Case Circuit Breakers IIIIIIIIIIIIIIIIIIIIIII Vacuum Circuit Breakers IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII • ANSI C37.13/EED1200 Certification for Nuclear Power • Adopted multifunction digital trip relay • KS, KERI, IEC Certification • Compact, lightweight • Standard Specification: IEC 60947-2...

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Main Circuit Breaker for Rolling Stock/ Vacuum Train Breaker(MCB/VTB) IIIIIIIIIIIIIIIII • The sole main circuit breaker for rolling stock in the country • Excellent seismic performance • Detection of operating pressure and auto trip function • Stable breaking feature (AC, DC line) Protective Device Digital Protection Relay VIPAM IIIIIIIIIIIIIIIIIIIIII Lightning Arrester/Surge Absorber (LA/SA) • System protection required, relay element provided • Store history of faults(trouble) and wave form • Provide analysis function through PC interlocking • RS422/485 communication support • English/Korean...

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We Create the Next Value By the light of technology, value and confidence, Together with customers, we are VITZRO EM Leading the pleasant and affluent field of electric power equipment with state-of-the-art technology, VITZRO EM is creating new value in order to offer greater customer satisfaction with greater business value as well as present new standards, while making a difference for a better future, based on thorough knowledge and skills in the fields of heavy electric equipment, power electronics and aerospace.

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Low-Voltage Equipment Air Circuit Breakers Molded Case Circuit Breakers Panel Board & Miniature Circuit Breakers Internal Accessories Automatic Transfer Switches Electronic Automatic Transfer Switch Controller Magnetic Contact/Switches Thermal Overload Relays Earth Leakage Circuit Breakers

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A1 Air Circuit Breakers CONTENTS For industrial and residential Features······················································································ A1-02 External & Internal Configuration ········································· A1-04 Basic Operation/Trip Method/Standards/Certification······· A1-06 Features ····················································································· A1-08 Ratings ······················································································· A1-10 OC(G)R(Over Current(Ground)Relay) ···································· A1-12 OC(G)R...

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Comprehensive Low Voltage Equipment

Comprehensive Low Voltage Equipment

Catalog excerpts

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