440N-Z21S16H

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Overview of Allen-Bradley 440N-Z21S16H

The Allen-Bradley 440N-Z21S16H is a Guardmaster Sensaguard 18 mm cylindrical RFID non-contact safety switch designed to provide reliable and tamper-proof safety sensing for machine guard doors. It operates at 24 V DC and features 2 PNP safety outputs and 1 auxiliary PNP output for monitoring door status. This switch offers high environmental protection with an IP69K rating and is suitable for harsh industrial environments.

Key Features

  • 18 mm plastic barrel sensor with 15 mm sensing distance
  • 2 safety PNP outputs (0.2 A max) and 1 auxiliary PNP output (0.2 A max)
  • Advanced RFID coding technology for high tamper resistance
  • LED indication for door status and diagnostics
  • IP69K rated for protection against water jets and dust ingress
  • Operating temperature range from -10°C to 55°C
  • Shock and vibration resistant (30 g shock, IEC 60068-2-27)
  • Plastic housing with M12 connector for easy installation
  • Complies with IEC 60947-5-3, IEC 61508 SIL 3, and EN ISO 13849-1 Category 4 safety standards

Technical Specifications

Model 440N-Z21S16H
Supply Voltage 24 V DC (+10%/-15%)
Sensing Distance 15 mm
Safety Outputs 2 x PNP, 0.2 A max
Auxiliary Output 1 x PNP, 0.2 A max
Connection M12, 8-pin DC micro with pigtail
Housing Material Plastic (PBT / PBTP / Valox)
IP Rating IP69K
Operating Temperature -10 °C to 55 °C (14 °F to 131 °F)
Shock 30 g, 11 ms, IEC 60068-2-27
Vibration 10 to 55 Hz, IEC 60068-2-6
Dimensions Diameter: 18 mm, Length: 67.06 mm

Applications

The 440N-Z21S16H safety switch is highly suitable for safeguarding sliding, hinged, and lift-off machine guard doors in industries where safety and reliability are critical. Its RFID coding technology and robust design help prevent tampering while providing reliable door monitoring in harsh environmental conditions.

440N-Z21S16H

$0.00

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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