The Honeywell 103FW12-R3 is a robust rotary proximity switch engineered for demanding industrial environments. This switch provides reliable position feedback in applications such as automated machinery, conveyor systems, and security systems. Constructed with a 300 series stainless steel housing and featuring a 17-4PH steel shaft, the 103FW12-R3 is designed to withstand harsh conditions and provide long-lasting performance. It operates on 18-30 VDC and offers a maximum current draw of 25mA. The switch is protected against output terminal misconnection and short circuits, ensuring operational safety. It meets or exceeds various military specifications including MIL-STD-810 for shock, vibration, humidity, and thermal shock, as well as MIL-STD-704 for electrical parameters.