The 440N-S32052 is a discontinued safety control unit from ALLEN BRADLEY's GUARDMASTER series, featuring SIPHA 6 technology with non-contact switching capability. It operates on 24 VAC/DC or 115/230 VAC/DC power supply, equipped with 2 normally open safety contacts and 1 normally closed safety contact plus an auxiliary contact. The compact design has a 90 mm housing width. Note: Manufacturer warranty expired 09/30/2024, but includes Beyondtech's warranty.