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E DIN EN IEC 61076-2-104 VDE 0687-76-2-104:2026-02

Connectors for electronic equipment – Product requirements

Part 2-104: Circular connectors – Detail specification for circular connectors with M8 screw-locking or snap-locking

(IEC 48B/3121/CDV:2024); German and English version prEN IEC 61076-2-104:2024
Class/Status: Draft, valid
Released: 2026 -02   Published: 2026-01 -09
VDE Art. No.: 1600476
End of objection deadline: 2026-03-09

Note: You can pre-order this document (delivery subject to availability). Valid from 2026-02-01.

This part of IEC 61076 describes circular connectors M8 screw-locking or with nominal diameter 8 mm snap-locking, typically used for industrial process measurement and control. These connectors consist of fixed and free connectors either rewireable or non-rewireable. Male connectors have round contacts of diameter 0,6 mm, diameter 0,7 mm and diameter 1,0 mm.
Throughout this detail specification, dimensions are in mm.
NOTE M8 is the dimension of the thread of the screw-locking mechanism of these circular connectors.