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Continue to ChatKSE20-QB-4S-F-E-C/O4 - Castell 20A, NO/NC, Brass, Front Board, Q Type, KSE Multi Key Powersafe Electrical Switch https://www.concretespares.ie/product/kse20-qb-4s-f-e-c-o4-castell-20a-no-nc-brass-front-board-q-type-kse-multi-key-powersafe-electrical-switch/