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QPL-83530 - Resistors, Voltage Sensitive (Varistor, Metal-Oxide), General Specification for
May 11, 2020 - NPFC

QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-PRF-83530 Resistors, Voltage Sensitive (Varistor, Metal-Oxide), General Specification for This list has been prepared for use by or for the Government in the acquisition of products covered by the subject...

DS/EN IEC 61643-331 - Components for low-voltage surge protection – Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
May 11, 2020 - DS

This part of IEC 61643 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power lines, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient...

IEEE PC62.41.3 DRAFT - Draft Guide for Interactions between Power System Disturbances and Surge-Protective Devices
July 1, 2020 - IEEE

This guide applies to surge-protective devices (SPDs) intended for connection to 50 Hz to 60 Hz ac power circuits rated 1000 V RMS or less. This guide describes the effects on SPDs of power system disturbances occurring in these low-voltage ac power circuits. The disturbances are not limited to...

IEC 61643-331 REDLINE - Components for low-voltage surge protection – Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
March 1, 2020 - IEC

This part of IEC 61643 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power lines, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient...

IEC 61643-331 - Components for low-voltage surge protection – Part 331: Performance requirements and test methods for metal oxide varistors (MOV)
March 1, 2020 - IEC

This part of IEC 61643 is a test specification for metal oxide varistors (MOV), which are used for applications up to 1 000 V AC or 1 500 V DC in power lines, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient...

ITU-T K.77 - Characteristics of metal oxide varistors for the protection of telecommunication installations
July 1, 2019 - ITU-T

This Recommendation: - gives the characteristics of metal oxide varistors (MOVs) used in accordance with [b-ITU-T K.11] for the protection of power supply circuits and signal circuits of telecommunication installations against overvoltages; - does not deal with combinations of MOV with other...

A-A-55564 - RESISTOR, VOLTAGE SENSITIVE (VARISTOR) GENERAL REQUIREMENTS FOR
May 1, 2018 - NPFC

This CID covers the general requirements for a transient voltage suppression device. These varistors offer high energy capabilities and voltage clamping characteristics. Requirements for specific varistors are covered in the individual CID sheets. The varistors covered by this...

IEEE P824 DRAFT - Series Capacitor Banks in Power Systems
July 3, 2019 - IEEE

This standard applies to outdoor series capacitor banks and to the major components of a bank that are required to form a complete system for the insertion of capacitors in series with a transmission line. These major components include capacitors, varistors, bypass gaps, bypass switches,...

IEEE 1627 - Standard for Transient Overvoltage Protection of DC Electrification Systems by Application of DC Surge Arresters
May 21, 2019 - IEEE

The standard covers application of dc surge arresters for transient overvoltage protection of dc transit electrification systems. These dc transit electrification systems include light rail, heavy rail, streetcar, and trolley bus systems. This standard covers selection and application of...

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