440G-T21BNPL-1B

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Overview of Allen-Bradley 440G-T21BNPL-1B Guard Lock Switch

The Allen-Bradley 440G-T21BNPL-1B is a safety interlock switch from the TLS-GD2 Guardmaster series. It features a plastic housing with a 24V AC/DC solenoid, designed for industrial safety applications involving guard locking and door monitoring. It supports Break Before Make contact operation and includes two safety contacts: 1 NO (Normally Open) and 1 NC (Normally Closed). The switch complies with international safety standards including ISO 14119 and IEC 60947-5-3, featuring a high holding force and robust construction suitable for hazardous environments.

Key Features of Allen-Bradley - 440G-T21BNPL-1B

  • Solenoid Voltage: 24V AC/DC
  • Contact Configuration: 1 N.C. + 1 N.O. safety contacts
  • Operation Type: Break Before Make (break contacts before closing)
  • Housing Material: Durable plastic
  • Certification: CE, CCC, KC, UL listed for safety and compliance
  • Connection: 12-pin M23 style quick disconnect (QD)
  • Mechanical Life: Up to 500,000 cycles
  • Enclosure Rating: IP69K, IP66, IP67 for washdown and harsh environments
  • Mounting: Suitable for panel mounting with high resistance to shock and vibration

Technical Specifications

Model Number 440G-T21BNPL-1B
Contact Type Break Before Make
Housing Material Plastic
Solenoid Voltage 24V AC/DC
Contacts 1 N.C. + 1 N.O.
Ingress Protection IP69K/IP66/IP67
Certification CE, CCC, KC, UL
Connection 12-pin M23 QD
Mechanical Life 500,000 cycles

Applications / Use Case

This guard locking switch is used in machinery safety systems to ensure personnel safety during maintenance and operation by preventing access when safety doors are open. It is suitable for use in manufacturing, robotics, and automated systems where reliable door monitoring and lock control are essential for safety compliance.

440G-T21BNPL-1B

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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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