SKU: PB-SETA-SQMushroom style push button PB-SETA-SQ Mushroom style push button - square Additional information Mushroom-type push-button Made of 1.8mm thick 304 stainless steel Two-pin output relay (C, NO and NC) Indoor installation Surface mount via PB-SBOX-SQ surface Dimensions: 86(W) x 86(H) x 25(D) mm