440N-Z21SS2B

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Overview of Allen-Bradley 440N-Z21SS2B Guardmaster Non-Contact Safety Switch

The Allen-Bradley 440N-Z21SS2B is a Guardmaster non-contact safety switch designed for guard locking and position monitoring applications. It features solid-state outputs with two normally closed (NC) safety contacts and one normally open (NO) auxiliary contact. The rectangular actuator and sensor unit are enclosed in a durable polycarbonate housing and come with a 10-meter PVC cable for flexible installation.

Key Features of Allen-Bradley - 440N-Z21SS2B

  • Safety Contacts: 2 NC safety contacts and 1 NO auxiliary contact for status feedback.
  • Contact Type: Solid-state outputs for reliable and maintenance-free operation.
  • Actuator: Rectangular shape compatible with SensaGuard series.
  • Operating Voltage: 24 V DC ±10% / -15%, Class 2 SELV or PELV.
  • Response Time: 45 milliseconds for quick off response.
  • Protection: Washdown ratings of IP66, IP67, and IP69K for harsh environments.
  • Temperature Range: -25°C to 70°C suitable for demanding industrial conditions.
  • Certifications: CE, UL, cULus, CCC, KC, and C-TICK compliant for global use.

Technical Specifications of 440N-Z21SS2B

Model Number 440N-Z21SS2B
Contact Configuration 2 NC Safety, 1 NO Auxiliary
Contact Type Solid-State Outputs
Operating Voltage 24 V DC ±10%/-15% Class 2 SELV/PELV
Response Time 45 ms off
Protection Rating IP66, IP67, IP69K (washdown)
Operating Temperature -25°C to 70°C
Material Polycarbonate housing
Cable 10 m PVC
Certifications CE, UL, cULus, CCC, KC, C-TICK

Applications / Use Case

The 440N-Z21SS2B is ideal for safety guarding in industrial automation to ensure machine guard doors are closed and locked before operation. Its solid-state contacts and robust construction make it fit for harsh environments requiring reliable safety performance.

440N-Z21SS2B

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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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