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Allen Bradley

Allen Bradley 440G-LZS21SPRH Power to Release Guardlock Switch

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ManufacturerAllen Bradley

Part number440G-LZS21SPRH

Contact Configuration 2 NC Safety, 1 NO Lock Aux

Connection Type 8 Pin DC QD

Function Power to Release

Voltage 24V DC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Power to Release Functionality 8-Pin QD Connector 2 NC Safety Contacts 1 NO Auxiliary Contact Solid State Outputs High IP Rating

Product description

The Allen-Bradley 440G-LZS21SPRH is a 'Power to Release' guard locking switch featuring 2 NC safety contacts and 1 NO auxiliary lock contact, designed for personnel safety. It utilizes solid-state outputs and comes with an 8-pin DC Quick Disconnect (QD) for easy integration.

This model ensures that guards can be safely opened when power is applied, making it ideal for applications where personnel access during downtime is critical. Its robust plastic housing and high IP rating contribute to its reliability in demanding industrial settings.

Source your Allen-Bradley 440G-LZS21SPRH from Stanlo Automation, your veteran-owned surplus parts distributor. We are dedicated to providing quality components and dependable service.

Technical specifications

Contact Configuration	2 NC Safety, 1 NO Lock Aux
Connection Type	8 Pin DC QD
Function	Power to Release
Voltage	24V DC
Housing Material	Plastic
IP Rating	IP66/IP67/IP69K

Common applications

Personnel Safety

Machine Guarding

Industrial Safety

Hazardous Area Control

Automation Systems

Compatible systems

Allen-Bradley Safety PLCs Guardmaster Control Modules 440G-LZ Series Actuators

Also known as

Allen-Bradley Guardmaster 440G-LZS21SPRH 440G-LZ Power to Release QD Switch Rockwell Automation 440G-LZS21SPRH

Replaces / compatible with

Designed for integration with the 440G-LZ series actuators and safety control systems, ensuring reliable personnel safety interlocks.

Technical note

Expert tip

The high IP rating (IP66/IP67/IP69K) ensures this switch can withstand demanding washdown procedures and harsh environmental conditions common in many industrial settings.

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Frequently asked questions

What is the significance of the 8-pin DC QD connector on the 440G-LZS21SPRH?

The 8-pin DC Quick Disconnect (QD) connector simplifies installation and maintenance by offering a pre-wired, secure connection. This reduces the potential for wiring errors and speeds up setup and troubleshooting.