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E DIN EN IEC 63494-2-1 VDE 0712-2-21:2026-06

Lighting systems – Electro-mechanical interfaces

Part 2-1: Four-pin extra-low-voltage twist-lock interface Type ZB18

(IEC 34/1412/FDIS:2025); German and English version FprEN IEC 63494-2-1:2025
Class/Status: Draft, valid
Released: 2026 -06 Published: 2026-05 -22
VDE Art. No.: 1701966
End of objection deadline: 2026-07-22

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Note: You can pre-order this document (delivery subject to availability). Valid from 2026-06-01.

This document of the IEC 63494-2 series specifies the interchangeability requirements of an electro-mechanical interface with four-pin ELV twist-lock interface – type ZB18 – for use in lighting systems. This twist-lock interface has four electrical contacts that are suitable for ELV 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

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E DIN EN IEC 63494-2-1 VDE 0712-2-21:2026-06

Lighting systems – Electro-mechanical interfaces

Part 2-1: Four-pin extra-low-voltage twist-lock interface Type ZB18

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