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 42CM Metal 18 mm CylindricalAdd to quote Large Metal IEC Bulletin 440PAdd to quote TLS-GD2 Replacement CoverAdd to quote SRX3-6-US-M8-PN = Ultrasonic Fork Clear Label Dynamic Teach PNP+NPN No Conn. M8Add to quote