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Head for key selector switch, Harmony XB4, Ø22 mm 3 position stay put 3131 A
ZB4BG920
Discontinued on:4/05/2022
ZB4BG920 has not been replaced. Please contact customer support for more information.
Environmental Data
Schneider Electric aims to achieve Net Zero status by 2050 through supply chain partnerships, lower impact materials, and circularity via our ongoing “Use Better, Use Longer, Use Again” campaign to extend product lifetimes and recyclability.