Allen Bradley
Allen Bradley Guardmaster 440G-LZ Guardlock Safety Switch
Allen Bradley Guardmaster Guardlock Safety Switch
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
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Get a price for 440G-LZS21STLH
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
Guard Locking Functionality
2 NC Safety Contacts
1 NO Auxiliary Contact
24V DC Operation
IP66 Rated
Standard Coded Actuator
Product description
The Allen-Bradley 440G-LZS21STLH is a Guardmaster Guardlock safety switch designed to prevent access to hazardous machinery until it is safe.
It features a standard coded actuator, 2 Normally Closed (NC) safety contacts, and 1 Normally Open (NO) door auxiliary contact. The switch operates on 24V DC and has an IP66 rating, making it suitable for harsh environments.
This safety switch is crucial for machine guarding applications in industries like automotive, packaging, and general manufacturing. Source this essential safety component from Stanlo Automation.
Technical specifications
| Contact Configuration | 2 NC Safety, 1 NO Auxiliary |
| Voltage | 24V DC |
| Actuator Type | Standard Coded |
| IP Rating | IP66 |
| Holding Force | 1300 N |
Common applications
Machine Guarding
Hazardous Area Protection
Assembly Lines
Robotic Cells
Industrial Safety Systems
Compatible systems
Allen-Bradley Safety Relays
Guardmaster Safety Modules
SLC 500 with safety I/O
Also known as
Guardmaster 440G-LZ
Allen Bradley Safety Interlock
Guardlock Switch
Replaces / compatible with
This Guardlock switch is designed for use with compatible Allen-Bradley safety relays and control systems to ensure machine safety.
Technical note
Expert tip
The integrated latch requires power to release, ensuring that guards remain locked until the machine is in a safe state.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 contact configuration of the Allen Bradley 440G-LZS21STLH?
The Allen Bradley 440G-LZS21STLH Guardmaster Guardlock safety switch features 2 Normally Closed (NC) safety contacts and 1 Normally Open (NO) door auxiliary contact.