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Honeywell 103FW12R3 Rotary Proximity Switch

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.

Authorized Distributors
Source:Newark
Part No:103FW12-R3
Stock:3
Inv Date:06-01-2026
Price: Unit price: $187.7
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Part No:103FW12-R3
Stock:0
Inv Date:06-02-2026
Price: N/A
Buy/RFQ:
Part No:103FW12-R3
Stock:2
Inv Date:06-01-2026
Price: Unit price: $126.97
Buy/RFQ:

Honeywell 103FW12R3 Rotary Proximity Switch Specifications:

  • Operating Voltage: 18-30 VDC
  • Maximum Current: 25 mA
  • Operating Temperature: -40°C to +55°C
  • Storage Temperature: -55°C to +125°C
  • Leakage Current: 10 Microamps Max
  • Housing Material: 300 Series Stainless Steel
  • Shaft Material: 17-4PH Steel
  • Saturation Voltage: 2.0 VDC Max
  • Target Material: CRS or AL Alloy 7075 T6951 or 2024 T3951
  • Counts Rate: 15Hz Max for 3 Min, 30Hz Max for 1 Min (Figure 1)
  • Counts Rate 2: 3Hz Max for 3 Min, 6Hz Max for 1 Min (Figure 2)
  • Mates With: MS 3476-10-65 or MS 3116-10-68
  • Pin to Housing: < 10M
  • RFI Compliance: MIL-STD—461/462 CS01, REO2, RSO2
  • MIL-STD Compliance: MIL-STD-810 (various methods)
  • Short Circuit Protection: Output Terminal Protected

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Frequently Asked Questions

Where can I buy Honeywell 103FW12R3?

You can click on the BUY or RFQ button to purchase 103FW12R3 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 103FW12R3?

You can download the 103FW12R3 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 103FW12R3?

Honeywell

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