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E DIN EN IEC 61643-332 VDE 0845-5-32:2025-05

Components for low-voltage surge protection

Part 332: Selection and application principles for metal oxide varistors (MOV)

(IEC 61643-332:2024); German version EN IEC 61643-332:2024
Class/Status: Draft, valid
Released: 2025 -05 Published: 2025-04 -25
VDE Art. No.: 1800857
End of objection deadline: 2025-06-25

Note: You can pre-order this document (delivery subject to availability). Valid from 2025-05-01.

This part of IEC 61643 presents a description, theory of operation, test characteristics, and application principles for metal oxide varistors, which are used for applications up to 1000 V AC or 1500 V DC in power line, or telecommunication, or signalling circuits. They are designed to protect apparatus or personnel, or both, from high transient voltages.

This Document is related to the following Topics (in bold):

29	ELECTRICAL ENGINEERING
29.020	Electrical engineering in general
29.030	Magnetic materials
29.035	Insulating materials
29.040	Insulating fluids
29.050	Superconductivity and conducting materials
29.060	Electrical wires and cables
29.080	Insulation
29.100	Components for electrical equipment
29.120	Electrical accessories
29.130	Switchgear and controlgear
29.140	Lamps and related equipment
29.160	Rotating machinery
29.180	Transformers. Reactors
29.200	Rectifiers. Converters. Stabilized power supply
29.220	Galvanic cells and batteries
29.240	Power transmission and distribution networks
29.260	Electrical equipment for working in special conditions
29.280	Electric traction equipment
31	ELECTRONICS
31.020	Electronic components in general
31.040	Resistors
31.060	Capacitors
31.080	Semiconductor devices
31.120	Electronic display devices
31.140	Piezoelectric devices
31.160	Electric filters
31.180	Printed circuits and boards
31.190	Electronic component assemblies
31.200	Integrated circuits. Microelectronics
31.220	Electromechanical components for electronic and telecommunications equipment
31.240	Mechanical structures for electronic equipment
31.260	Optoelectronics. Laser equipment

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E DIN EN IEC 61643-332 VDE 0845-5-32:2025-05

Components for low-voltage surge protection

Part 332: Selection and application principles for metal oxide varistors (MOV)

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