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UL 1283 - UL Standard for Safety Electromagnetic Interference Filters
May 17, 2017 - UL

These requirements cover electromagnetic interference (EMI) filters installed on, or connected to, 1,000 V or lower potential circuits, 50 - 60 Hz, or up to 1,500 Vdc, and installed in accordance with the National Electrical Code, NFPA 70. These requirements cover filters used to attenuate unwanted...

CSA C22.2 NO 269.4 - Surge protective devices - Type 4 - Component assemblies
January 1, 2017 - CSA

This Standard covers component assembly surge protective devices (SPDs) consisting of two or more Type 5 components, intended for use in Type 1, 2, or 3 SPD applications or installation in other electrical equipment. Note: SPD components containing integral thermal devices are within the scope of...

CSA C22.2 NO 269.2 - Surge protective devices - Type 2 - Permanently connected
January 1, 2017 - CSA

This Standard applies to surge protective devices (SPDs) intended for a) permanently connected applications designed for limiting surge voltages and discharging surge currents; b) use on 50/60 Hz circuits over 42 V and up to 750 V ac; c) installation on the load side of the main overcurrent...

CSA C22.2 NO 269.1 - Surge protective devices - Type 1 - Permanently connected
January 1, 2017 - CSA

This Standard applies to surge protective devices (SPDs) intended for: a) permanently connected applications designed for limiting surge voltages and discharging surge currents; b) use on 50/60 Hz circuits over 42 V and up to 750 V ac; c) installation between the secondary of the service...

CSA C22.2 NO 269.5 - Surge protective devices - Type 5 - Components
January 1, 2017 - CSA

This Standard applies to surge protective device (SPD) components designed to mitigate the effects of transient overvoltages and surge events and intended for use in surge protective devices (SPDs) or in non-SPD applications. SPD Components containing integral thermal devices are within the scope...

UL 60939-3 - UL Standard for Safety Passive Filter Units for Electromagnetic Interference Suppression – Part 3: Passive Filter Units for Which Safety Tests are Appropriate
July 22, 2016 - UL

This specification covers passive filters used to attenuate unwanted radio-frequency signals (such as noise or interference) generated from electromagnetic sources. Both single and multi-channel filters within one enclosure or which are built on a printed circuit board forming a compact entity are...

CEI EN 60939-3 - Passive filter units for electromagnetic interference suppression Part 3: Passive filter units for which safety tests are appropriate
July 1, 2016 - CEI

This specification covers passive filters used to attenuate unwanted radio-frequency signals (such as noise or interference) generated from electromagnetic sources. Both single and multi-channel filters within one enclosure or which are built on a printed circuit board forming a compact entity are...

IEEE C62.36 - Standard Test Methods for Surge Protectors and Protective Circuits Used in Information and Communications Technology (ICT) Circuits, and Smart Grid Data Circuits
May 16, 2016 - IEEE

This standard applies to surge protectors for application on multiconductor balanced or unbalanced information and communications technology (ICT) circuits and smart grid data circuits. These surge protectors are designed to limit voltage surges, current surges, or both. The surge protectors...

IEC 61000-4-24 - Electromagnetic compatibility (EMC) – Part 4-24: Testing and measurement techniques – Test methods for protective devices for HEMP conducted disturbance
November 1, 2015 - IEC

This part of IEC 61000 deals with methods for testing protective devices for HEMP conducted disturbance. It includes two-terminal elements, such as gas discharge tubes, varistors, and two-port SPDs, such as HEMP combination filters. It covers testing of voltage breakdown and voltage-limiting...

SNZ AS/NZS IEC 60947.7.1 - Low-voltage switchgear and controlgear Part 7.1: Ancillary equipment-Terminal blocks for copper conductors
June 29, 2015 - SNZ

This part of IEC 60947 specifies requirements for terminal blocks with screw-type or screwless- type clamping units primarily intended for industrial or similar use and to be fixed to a support to provide electrical and mechanical connection between copper conductors. lt applies to terminal blocks...

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