Allen - Bradley 440N - Z21SS2AN is a non - contact interlock switch. Here are its main parameters in English:
Standards: Comply with ISO 14119, CSA 22.2 No. 14, ISO 13849 - 1, IEC 60947 - 5 - 3, IEC 61508, IEC 62061, UL508.
Safety Function Data: PFHD is 1.12×10⁻⁹.
Sensing Distance: Assured make is 15mm, assured off is 35mm.
Misalignment: Standard value is ±7mm in both axial directions.
Repeatability: 10% of the sensing range.
Maximum Output Current: 200mA (total output).
Input Current: 50mA (no - load power supply current).
Minimum Operating Current: ≥DC1mA.
Off - state Current: