Home › Manufacturers › Allen Bradley › 440P-MSLB22B

Allen Bradley

Allen Bradley 440P-MSLB22B Guard Switch - Solenoid Interlock, Blank

Allen Bradley 440P-MSLB22B Guard Safety Switch with solenoid interlock.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerAllen Bradley

Part number440P-MSLB22B

Actuator Type Solenoid Interlock

Mounting Style Surface Mount

Contact Configuration 2 N/O, 1 N/C

Voltage Rating 24V DC

Get a price for 440P-MSLB22B

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Solenoid interlock for security Tamper-resistant design IP67 rated High holding force Durable plastic construction Direct acting contacts

Product description

The Allen Bradley 440P-MSLB22B is a robust GuardMaster guard safety switch featuring a solenoid interlock mechanism, designed for high-security machine guarding applications. This switch is engineered to ensure that machinery remains off until the guard is closed and the solenoid is energized, providing a critical layer of safety for operators.

This safety switch is ideal for use on machines with doors that can be opened, such as injection molding machines, automated assembly cells, and packaging equipment. It is particularly useful in applications where the guard must be held closed during operation, preventing accidental opening.

As a veteran-owned distributor, Stanlo Automation offers the 440P-MSLB22B with confidence. We understand the importance of reliable safety components and are committed to providing genuine Allen Bradley parts with excellent service and support.

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

Injection molding machines

Automated assembly

Packaging machinery

Robotic work cells

High-risk guarding

Manufacturing equipment

Compatible systems

Allen Bradley GuardMaster Safety Relays Allen Bradley ControlLogix controllers Safety control circuits

Also known as

Allen Bradley GuardMaster 440P-MSLB22B 440P Series solenoid interlock switch 440P-MSLB22B guard interlock safety solenoid switch

Replaces / compatible with

Serves as a secure interlock for machine guards, replacing less secure mechanical latches or simple proximity switches. Offers enhanced safety with solenoid-powered locking.

Technical note

Expert tip

The high holding force of the solenoid ensures that the guard remains securely locked, even under vibration or minor external forces, preventing unauthorized access.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the purpose of the 'blank' actuator on the 440P-MSLB22B?

The 'blank' actuator on the 440P-MSLB22B refers to a standard, non-key actuator design. The solenoid interlock provides the primary safety mechanism, ensuring the guard remains locked until released by the system's control logic.