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Allen Bradley 440P-WM1A Guardmaster Safety Switch

Allen Bradley 440P-WM1A Guardmaster Safety Limit Switch

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ManufacturerAllen Bradley

Part number440P-WM1A

Contact Configuration 1 N.O. + 1 N.C.

Actuator Type 30 mm metal dome plunger

Housing Material Metal

Ingress Protection IP66

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12-month warranty

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Veteran-owned

CAGE: 9NK75

30 mm metal dome plunger actuator 1 N.O. + 1 N.C. snap-action contacts Robust metal enclosure IP66 ingress protection Conforms to EN 50041

Product description

The Allen-Bradley 440P-WM1A is a Guardmaster safety limit switch designed for robust industrial applications. It features a 30mm metal dome plunger actuator and snap-action contacts, providing reliable operation for safety interlocking of guards and doors. The switch conforms to EN 50041 standards and is housed in a durable metal enclosure.

This limit switch is suitable for position sensing in industrial machinery, including conveyor systems, packaging equipment, and material handling systems. Its reliable performance and compliance with international safety standards make it an ideal choice for enhancing machine safety.

Source your Allen-Bradley 440P-WM1A from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer quality components with reliable service, ensuring your automation systems are up and running.

Technical specifications

Contact Configuration	1 N.O. + 1 N.C.
Actuator Type	30 mm metal dome plunger
Housing Material	Metal
Ingress Protection	IP66
Standards Compliance	EN 50041, EN 1088, EN 60947–5–1, EN 60204–1

Common applications

Safety interlocking for guards and doors

Position sensing in industrial machinery

Conveyor systems

Packaging equipment

Material handling systems

Also known as

Allen Bradley 440P-MDPS11B, Guardmaster Safety Limit Switch, Metal Dome Plunger Limit Switch

Replaces / compatible with

This safety limit switch is designed for new installations and replacements of similar safety interlock devices. Consult the manufacturer's documentation for specific compatibility.

Technical note

Expert tip

Ensure proper alignment of the actuator with the switch mechanism to guarantee reliable actuation and safety function.

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Frequently asked questions

What are the contact configurations for the Allen Bradley 440P-WM1A?

The Allen Bradley 440P-WM1A safety limit switch features one Normally Open (N.O.) and one Normally Closed (N.C.) contact configuration. This provides flexibility for safety interlocking circuits.