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Allen Bradley 440P-AA1LS11D4 Safety Switch

Allen Bradley 440P-AA1LS11D4 Guardmaster 2-Pole Safety Switch.

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ManufacturerAllen Bradley

Part number440P-AA1LS11D4

Manufacturer Allen Bradley

Series Guardmaster 440P

Type Safety Switch

Poles 2 NC (Normally Closed)

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Two normally closed safety contacts Standard actuator compatibility M12 4-pin connection Robust plastic housing IP67 rated Easy installation

Product description

The Allen Bradley 440P-AA1LS11D4 is a 2-pole safety switch from the Guardmaster 440P series, designed for general-purpose safety applications. It features a robust design with two poles for monitored safety circuits and a standard M12 connector for easy integration.

This safety switch is suitable for various machine guarding applications where a physical switch is required to monitor the position of doors or guards. Industries such as general manufacturing, material handling, and packaging utilize these switches to enhance workplace safety.

Stanlo Automation, a veteran-owned surplus parts distributor, proudly offers the Allen Bradley 440P-AA1LS11D4. We ensure you receive reliable, high-quality surplus components to maintain your automation systems.

Technical specifications

Manufacturer	Allen Bradley
Series	Guardmaster 440P
Type	Safety Switch
Poles	2 NC (Normally Closed)
Actuator Type	Standard
Connector	M12 4-pin
Housing Material	Plastic
IP Rating	IP67

Common applications

Machine guarding

Door and gate monitoring

Access control

Industrial automation

Conveyor systems

Packaging machinery

Compatible systems

Allen Bradley Guardmaster Safety Relays Allen Bradley SLC 500 Allen Bradley MicroLogix

Also known as

Allen Bradley 440P Safety Switch Guardmaster 440P-AA1LS11D4 AB 2-Pole Safety Switch

Replaces / compatible with

This switch is designed to replace older or similar 2-pole safety switches in Allen Bradley Guardmaster systems, ensuring continued safety monitoring.

Technical note

Expert tip

For proper safety function, the 440P-AA1LS11D4 switch must be used in conjunction with a safety relay or safety controller that monitors its contacts.

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Frequently asked questions

What type of contacts does the Allen Bradley 440P-AA1LS11D4 safety switch have?

The Allen Bradley 440P-AA1LS11D4 safety switch is equipped with two normally closed (NC) safety contacts. These contacts are designed to open when the guard is removed or the switch is actuated, signaling a safe state to the control system.