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Allen Bradley 440E-L22BNSL Guardmaster Solenoid Interlock Switch

Allen Bradley 440E-L22BNSL Guardmaster solenoid interlock switch, NEMA 4, 13; IP66.

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ManufacturerAllen Bradley

Part number440E-L22BNSL

Enclosure Rating NEMA 4, 13

Ingress Protection IP66

Type Solenoid Interlock Switch

Series 440E Guardmaster

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Veteran-owned

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Solenoid locking mechanism NEMA 4, 13 enclosure IP66 rated Enhanced machine safety Robust industrial design

Product description

The Allen Bradley 440E-L22BNSL is a Guardmaster safety switch featuring solenoid interlock functionality. Engineered for demanding industrial environments, it offers NEMA 4, 13 and IP66 ratings for superior protection against dust and water. The solenoid acts as a locking mechanism, keeping the guard secured until the hazard is cleared.

This type of safety switch is vital in applications where personnel safety must be maintained during hazardous operations, such as in high-speed machinery, robotic cells, and automated assembly lines. It prevents accidental opening of guards during critical machine cycles.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Allen Bradley 440E-L22BNSL. We provide cost-effective solutions for your automation needs, ensuring quick access to reliable components to keep your operations running safely.

Technical specifications

Enclosure Rating	NEMA 4, 13
Ingress Protection	IP66
Type	Solenoid Interlock Switch
Series	440E Guardmaster

Common applications

Machine guarding

Robotic cells

Automated assembly lines

High-speed machinery

Industrial safety systems

Compatible systems

Compatible with Allen Bradley Guardmaster actuators and safety control modules; requires appropriate control voltage for solenoid

Also known as

Allen Bradley 440E-L22BNSL Guardmaster 440E solenoid interlock AB 440E-L22BNSL

Replaces / compatible with

This solenoid interlock switch is designed to enhance safety on machines requiring locked guards during operation. It can be integrated into existing safety control systems and replaces standard interlock switches where controlled guard opening is required.

Technical note

Expert tip

Requires a specific control voltage for the solenoid and appropriate safety interlock contacts. Ensure the control voltage is correctly applied to prevent malfunction.

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Frequently asked questions

What is the purpose of the solenoid in the Allen Bradley 440E-L22BNSL safety switch?

The solenoid in the 440E-L22BNSL acts as a locking mechanism to keep the guard physically secured while the machine is running or during a hazardous cycle. It is typically energized to release the lock, allowing safe access only when conditions permit.