UL 2557:1ED 2020-12
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Membrane Switches
Hardcopy
07-01-2022
English
04-12-2020
This First Edition ANSI/UL 2557 dated December 4, 2020 covers membrane switches actuated by human activity, via a membrane or sensing substrate, to operate or control appliances and electrical equipment. The membrane switch electrical rating is not to exceed 30 Vrms and power not greater than 100 VA.
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