Allen Bradley
Allen Bradley 440G-LZS21STLA Power to Lock Guardlock Switch
Allen Bradley 440G-LZS21STLA Power to Lock Guardlock Switch
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
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Get a price for 440G-LZS21STLA
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
Power to Lock Functionality
3m Lead Connection
2 NC Safety Contacts
1 NO Door Auxiliary Contact
Solid State Outputs
Safety Certified
Product description
The Allen-Bradley 440G-LZS21STLA is a 'Power to Lock' guard locking switch designed for machine protection. It features 2 NC safety contacts and 1 NO door auxiliary contact, with solid-state outputs. This model includes a 3-meter lead for connection.
This switch ensures that guards remain locked when power is applied, prioritizing machine protection during operation. Its durable construction and safety certifications make it suitable for a wide range of industrial applications.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 440G-LZS21STLA. Rely on us for quality surplus components and exceptional customer service.
Technical specifications
| Contact Configuration | 2 NC Safety, 1 NO Door Aux |
| Connection Type | 3m Lead |
| Function | Power to Lock |
| Voltage | 24V DC |
| Housing Material | Plastic |
| IP Rating | IP67 |
Common applications
Machine Protection
Industrial Automation
Manufacturing
Robotics
Hazardous Area Control
Compatible systems
Allen-Bradley Safety Relays
Guardmaster Control Modules
440G-LZ Series Actuators
Also known as
Allen-Bradley Guardmaster 440G-LZS21STLA
440G-LZ Power to Lock Switch
Rockwell Automation 440G-LZS21STLA
Replaces / compatible with
Designed for integration with the 440G-LZ series actuators and safety control systems to ensure reliable machine protection interlocks.
Technical note
Expert tip
The 3m lead provides a practical length for connecting the switch to safety controllers or relays in many standard machine guarding configurations.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What is the 'Door Aux' contact on the 440G-LZS21STLA?
The 'Door Aux' (auxiliary) contact on the 440G-LZS21STLA provides an additional signal, typically indicating the status of the door or guard, which can be used for monitoring or interposing in other control circuits.