Low Voltage Standards

C62.31-2006 - IEEE Standard Test Methods for Low-Voltage Gas-Tube Surge-Protective Device Components
Description: This standard applies to gas-tube surge-protective devices for application on systems with voltages, 1000 V rms or 1200 V dc.
Working Group: 3.6.1 LV Gap Type Surge Protective Components WG

C62.33-1982 - IEEE Standard Test Specifications for Varistor Surge-Protective Devices
Description: Considers varistors for surge protective applications on systems with DC to 420 Hz frequency and voltages equal to or less than 1000 V RMS, or 1200 V DC. Definitions, service conditions and a series of test criteria for determining the electrical characteristics of these varistors are given. If the characteristics differ with the direction of conduction, then the tests determine characteristics for both polarities. The tests are intended as design tests as defined in ANSI/IEEE Std 100-1977 and provide a means of comparison among various surge-protective devices. This standard applies to such devices having a monotonic increase in voltage with increasing current flow.
Working Group: 3.6.2 LV Solid State Surge Protective Components WG

C62.34-1996 - IEEE Standard for Performance of Low-Voltage Surge-Protective Devices (Secondary Arresters)
Description: Surge-protective devices designed for application on the low-voltage ac supply mains (1000 V rms and less, frequency between 48 Hz and 62 Hz) are covered.
Working Group: 3.6.9 Performance Standard for LV Surge-Protective Devices (Secondary Arresters) WG

C62.35-2010 - IEEE Standard Test Methods for Avalanche Junction Semiconductor Surge-Protective Device Components
Description: Avalanche breakdown diodes used for surge protection in systems with voltages equal to or less than 1000 V rms or 1200 V dc are discussed in this standard. The avalanche breakdown diode surge suppressor is a semiconductor diode which can operate in either the forward or reverse direction of its V-I characteristic. This component is a single package, which may be assembled from any combination of series and/or parallel diode chips.
Working Group: 3.6.2 LV Solid State Surge Protective Components WG

C62.36-2016 - IEEE Approved Draft Standard for Test Methods for Surge Protectors and Protective Circuits Used in Information and Communications Technology (ICT) circuits, including Smart Grid Data Circuits
Description: This standard applies to surge protectors for application on multiconductor balanced or unbalanced data, communications, and signaling circuits with voltages equal to or less than 1000 V rms, or 1200 V dc. These surge protectors are designed to limit voltage surges, current surges, or both.This standard describes the methods of testing and criteria for determining the end of life of electrical surge protectors used in low-voltage data, communications, and signaling circuits. The surge protectors covered are multiple-component series or parallel combinations of linear or nonlinear elements, packaged for the purpose of limiting voltage, current, or both. This standard describes the methods of testing and criteria (where appropriate) for the characteristics and ratings of surge protectors used in information and communications technology (ICT) circuits, and smart grid data circuits. This standard is not intended to cover packaged single gas tube, air gap, varistor, or avalanche junction surge protective components, which are covered by IEEE Std C62.31 [IEEE Standard Test Specifications for Gas-Tube Surge Protective Devices], IEEE Std C62.32 [IEEE Standard Test Specifications for Low-Voltage Air Gap Surge Protective Devices], IEEE Std C62.33 [IEEE Standard Test Specifications for Varistor Surge Protective Devices], and IEEE Std C62.35 [IEEE Standard Test Specifications for Avalanche Junction Semiconductor Surge Protective Devices], respectively. Specifically excluded from this standard are test methods for low-voltage power circuit applications. For protection of wire-line communication facilities under the specialized conditions found at power stations, consult IEEE Std 487 [IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Power Stations].
Working Group: 3.6.7 LV Data, Communications and Signaling Circuit Surge Protective Devices WG

C62.37-1996 - IEEE Standard Test Specification for Thyristor Diode Surge Protective Devices
Description: This standard applies to two or three terminal, four or five layer, thyristor surge protection devices (SPDs) for application on power systems with voltages equal to or less than 1000 V RMS or 1200 V DC.
Working Group: 3.6.2 LV Solid State Surge Protective Components WG

C62.39-2012 - IEEE Standard for Test Methods and Preferred Values for Self-Restoring Current-Limiter Components Used in Telecommunication Surge Protection
Description: The basic requirements to be met by series connected, solid-state, self-restoring overcurrent protectors (OCPs) for the protection of telecommunication equipment and lines are presented. This standard should be used for the harmonization of existing or future specifications issued by solid-state, self-restoring OCP manufacturers, telecommunication equipment manufacturers, administrations, or network operators.
Working Group: 3.6.2 LV Solid State Surge Protective Components WG

C62.50-2012 - IEEE Standard for Performance Criteria and Test Methods for Plug-in (Portable) Multiservice (Multiport) Surge-Protective Devices for Equipment Connected to a 120 V/240 V Single Phase Power Service and Metallic Conductive Communication Line(s)
Description: Test methods and performance criteria for plug-in (portable) multiservice (multiport) surge protective devices (MSPDs) intended to protect equipment connected to one or more metallic conductive telecommunication line(s) and a 120 V/240 V single phase two-wire (line and neutral) ac power service, with the neutral grounded at the service equipment are defined in this standard. Performance testing covers three areas: the ac power SPD section, the telecommunication SPD section, and the MSPD as whole. Essential MSPD performance characteristics are the reduction of surge current in the equipment ground loops and surge coupling between the individual SPD sections.
Working Group: 3.6.10 Surge Protection of Equipment Connected to Both LV AC Power and Communication Circuits WG

C62.62-2010 - IEEE Standard Test Specifications for Surge-Protective Devices (SPDs) for Use on the Load Side of the Service Equipment in Low Voltage (1000 V and less) AC Power Circuits
Description: Surge-protective devices (SPDs) intended to be installed on the load side of the service equipment connected to 50 Hz or 60 Hz AC power circuits rated at 1000 V (root mean squared [rms]) or less are the focus of this standard. Performance characteristics and standard methods for testing and rating are established for these devices, which may be composed of any combination of components. The tests in this standard are aimed at providing comparisons among the variety of SPDs available.
Working Group: 3.6.6 LV AC Power Circuit Protective Devices WG

C62.64-2009 - IEEE Standard Specifications for Surge Protectors Used in Low-Voltage Data, Communications, and Signaling Circuits
Description: Surge protectors for application on multiconductor and coaxial, balanced or unbalanced, data, communications, and signaling circuits with voltages less than or equal to 1000 V rms or 1200 V dc are covered. These surge protectors are multiple-component series or parallel combinations of one or more nonlinear elements and zero or more linear elements. The tables of typical performance values provide a means of comparison among various surge protectors. They also provide a common engineering language beneficial to the user and manufacturer of surge protectors used in low-voltage data, communications, and signaling circuits.
Working Group: 3.6.7 LV Data, Communications and Signaling Circuit Surge Protective Devices WG

C62.69-2016 - IEEE Approved Draft Standard for the Surge Parameters of Isolating Transformers Used in Networking Devices and Equipment
Description: Terms, test methods, test circuits, measurement 1 procedures and preferred result values for the surge mitigation parameters of isolating transformers used in networking devices and equipment is set in this standard. Three types of isolating transformer are considered; mains low frequency power, high frequency power (switching mode power supplies) and signal (e.g. Ethernet data).
Working Group: 3.6.2 LV Solid State Surge Protective Components WG