DIN VDE V 0664-420 VDE V 0664-420:2023-08

Type F and Type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses

Part 420: Annex M – Particular requirements for additional devices

Class/Status: Standard, valid
Released: 2023-08
VDE Art. No.: 0600439

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This annex applies for additional devices attached to or integrated in Type B residual current operated circuit-breakers (RCDs) according to clause 1. Such additional devices enlarge the defined functions of the RCD.
This standard does not apply for additional devices producing a conventional tripping current via the protective conductor (PE) in order to cause the RCD to operate.
The objective of the annex is to maintain the protective function of the RCD even though the function of the integrated or external additional device is not described in greater detail.

Replacement for:
DIN V VDE V 0664-420 VDE V 0664-420:2010-07

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

29	ELECTRICAL ENGINEERING
29.020	Electrical engineering in general
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

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