prEN IEC 63494-2-1:2024

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. Two connections are intended for supply power and two are intended for digital communication. The document specifies interchangeability related requirements for mechanical, electrical, ambient conditions, positional orientation, communication protocol and pin assignments for the interface.
Specific requirements for the devices that can utilize the interface such as sensors, communication modules, cameras, etc. are out of scope for this document. The document does not specify the following aspects:
• The lighting technology
• The illumination performance
• Electromagnetic compatibility (EMC)