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New Reduced price! AS 1431.7-1989 [ Superseded ] View larger

AS 1431.7-1989 [ Superseded ]

M00005201

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AS 1431.7-1989 [ Superseded ] Low voltage switchgear and controlgear - Control circuit devices and switching elements - Additional requirements for control switches with positive-opening operation

standard by Standards Australia, 01/01/1989

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Full Description

Part 7 specifies requirements additional to the general requirements of AS 1431.1 for control switches with positive-opening operation of one or more break contact elements independent of springs or resilient connections to the actuators.