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Continue to ChatKS63-QS-F-C/O4 - CASTELL 63A, STAINLESS STEEL, NO/NC, FRONT BOARD, Q TYPE, KS ELECTRICAL SWITCH https://www.pneutrol.com/industrialspares/product/ks63-qs-f-c-o4-castell-63a-stainless-steel-no-nc-front-board-q-type-ks-electrical-switch/