Home / Electronics / Sensors / Guardmaster Contact Change to No Guardmaster 440N Non Contact Switch Guardmaster Contact Change to No quantity Add to quote SKU: ROCK440N-Z21W1PH Category: Sensors Brand: Rockwell Additional information Additional information Fabricante ROCKWELL Related products Photoelectric AccessoriesAdd to quote Minotaur safety relay Guardmaster®Add to quote IS-12-B1-S2 = ø12 short – flush 2mm – pnp no 3 wires- M12Add to quote TLS-GD2 Replacement CoverAdd to quote