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Allen Bradley 440P-MSLB22E Guard Switch - Solenoid Interlock, Standard

Allen Bradley 440P-MSLB22E Guard Safety Switch with solenoid interlock.

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ManufacturerAllen Bradley

Part number440P-MSLB22E

Actuator Type Solenoid Interlock

Mounting Style Surface Mount

Contact Configuration 2 N/O, 1 N/C

Voltage Rating 24V DC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Solenoid interlock mechanism IP67 rated for harsh environments Tamper-resistant design High holding force Direct acting contacts Durable plastic housing

Product description

The Allen Bradley 440P-MSLB22E is a reliable GuardMaster guard safety switch featuring a solenoid interlock, designed to provide a high degree of safety for personnel working around machinery. This switch ensures that hazardous machine functions are disabled if a guard is not in place and locked, utilizing a solenoid to maintain the guard's secured state.

This switch is essential for applications requiring interlocked guards on automated equipment, such as packaging machines, assembly lines, and material handling systems. It is particularly suited for environments where positive locking of guards is critical for operator safety.

Stanlo Automation, a veteran-owned distributor specializing in industrial automation parts, offers the 440P-MSLB22B. We are committed to providing genuine Allen Bradley components and ensuring our customers receive quality products backed by reliable service and technical expertise.

Technical specifications

Actuator Type	Solenoid Interlock
Mounting Style	Surface Mount
Contact Configuration	2 N/O, 1 N/C
Voltage Rating	24V DC
Body Material	Plastic
Series	GuardMaster 440P

Common applications

Automated assembly lines

Packaging machines

Material handling

Robotic cells

Industrial automation

High-risk machinery guarding

Compatible systems

Allen Bradley GuardMaster Safety Relays Allen Bradley PLCs Industrial control systems

Also known as

Allen Bradley GuardMaster 440P-MSLB22E 440P Series solenoid interlock switch 440P-MSLB22E safety interlock guard locking switch

Replaces / compatible with

Replaces simpler guard interlocks, providing a higher level of safety by actively holding the guard closed with a solenoid until it is safe to open. Compatible with GuardMaster safety system components.

Technical note

Expert tip

The IP67 rating ensures protection against dust ingress and immersion in water up to 1 meter, making it suitable for washdown environments.

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Frequently asked questions

What type of contacts does the Allen Bradley 440P-MSLB22E safety switch utilize?

The Allen Bradley 440P-MSLB22B safety switch features direct-acting contacts. It typically includes two normally closed (N/C) safety contacts and one normally open (N/O) auxiliary contact, providing robust switching for safety circuits.