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Allen Bradley 440N-Z21W1PH Guardmaster Safety Switch 8-Pin QD

Allen Bradley 440N-Z21W1PH Guardmaster Non-Contact Safety Switch

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ManufacturerAllen Bradley

Part number440N-Z21W1PH

Actuator Standard

Connection Type 8-Pin Micro (M12) Connector

Contact Configuration 2 NC Safety, 1 NO Aux

Contact Type Solid State Relay

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Veteran-owned

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2 NC safety contacts 1 NO auxiliary contact Solid state relay technology 8-Pin Micro (M12) connector Standard actuator Magnetic coded sensing

Product description

The Allen Bradley 440N-Z21W1PH is a Guardmaster 440N Non-Contact Safety Switch featuring an 8-Pin Micro (M12) connector for its connection. This model is equipped with 2 Normally Closed (NC) safety contacts and 1 Normally Open (NO) auxiliary contact, employing solid-state relay technology for reliable performance. It is designed with a standard actuator and offers high tolerance to misalignment, making it suitable for various industrial applications.

This non-contact safety switch is critical for ensuring the safety of personnel and equipment by monitoring the position of machine guards and access points. Its magnetic coded sensing ensures that it can only be actuated by the correct magnet-coded actuator, preventing bypass. It is commonly utilized in manufacturing, automated systems, and machine tool applications where safety integrity is paramount.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 440N-Z21W1PH. We provide reliable, cost-effective surplus components for industrial automation, ensuring your operations continue smoothly. Source your safety switches from Stanlo Automation and benefit from our commitment to quality and service.

Technical specifications

Actuator	Standard
Connection Type	8-Pin Micro (M12) Connector
Contact Configuration	2 NC Safety, 1 NO Aux
Contact Type	Solid State Relay
Material	Plastic
Standards	CCC, CUL, KC, UL

Common applications

Machine Guard Monitoring

Safety Gate Interlocking

Access Panel Safety

Industrial Automation

Manufacturing Equipment

Automated Systems

Compatible systems

Compatible with safety relays and controllers that support 8-pin M12 connectors and 2 NC safety outputs. Verify compatibility with your safety system.

Also known as

Allen Bradley Guardmaster 440N M12 440N Series Non-Contact Switch Rockwell Automation 440N-Z21W1PH

Replaces / compatible with

This switch is part of the Allen Bradley 440N series. It is designed as a direct replacement for other 440N series switches with an 8-pin M12 connector and similar safety contact configurations.

Technical note

Expert tip

The 8-pin M12 connector allows for more complex configurations, potentially including auxiliary outputs or diagnostic signals, depending on the specific safety controller it is connected to.

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Frequently asked questions

What is the connection type for the Allen Bradley 440N-Z21W1PH?

The Allen Bradley 440N-Z21W1PH features an 8-Pin Micro (M12) connector for its connection. This standard connector ensures easy and secure integration into automated safety systems.