With operating range of 8 m and response time of 16 m/sec, Model PA4600-BB provides 2 beams spaced either 19.6 in. or 23.6 in. apart for torso detection at entry/exit openings to hazardous applications. Guarding device system has input voltage of 24 Vdc, and 2 solid-state PNP safety control output signals provide 625 mA each for compatibility with standard safety relays. It is Type 4 ESPE device per UL61496 and meets RIA and ANSI R15.06 specification for guarding robot work cells.