IEC 60947-5-6:1999 

Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elements - DC interface for proximity sensors and switching amplifiers (NAMUR)

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Abstract

Applies to proximity sensors connected for operation by a two-wire connecting cable to the control input of a switching amplifier. The switching amplifier contains a d.c. source to supply the control circuit and is controlled by the variable internal resistance of the proximity sensor. These devices can be used in an explosive atmosphere if they also comply with IEC 60079-11.

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Relevant for

water management

smart city


Additional information

Publication typeInternational Standard
Publication date1999-12-17
Edition1.0
Available language(s)English/French, Spanish
TC/SCTC 121/SC 121A - Low-voltage switchgear and controlgearrss
ICS29.130.20 - Low voltage switchgear and controlgear
Stability date  2021
Pages27
File size130 KB

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