Allen Bradley
Allen Bradley 440R-S845AER-NNL Guardmaster Safety Relay
Allen Bradley Guardmaster Safety Relay
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
Monitors safety devices
5 NO / 2 NC outputs
24VDC operation
8A output rating
Guardmaster series
Product description
The Allen Bradley 440R-S845AER-NNL is a Guardmaster safety relay designed to monitor safety devices like light curtains, safety mats, and interlocks. It operates on 24VDC and features 5 normally open (NO) and 2 normally closed (NC) output contacts rated for 8A.
This safety relay is essential for applications requiring safety monitoring and control in machinery and industrial automation, ensuring operator safety by safely stopping equipment in hazardous situations.
Stanlo Automation, a veteran-owned surplus distributor, provides the 440R-S845AER-NNL safety relay, offering a reliable and cost-effective solution for your machine safety needs.
Technical specifications
| Voltage | 24VDC |
| Outputs | 5 NO, 2 NC |
| Current Rating | 8A |
| Series | Guardmaster 440R |
Common applications
Machine Guarding
Safety Interlocks
Emergency Stops
Light Curtain Monitoring
Safety Mats
Compatible systems
Various safety input devices (e.g., light curtains, E-stops, safety mats)
Also known as
Allen Bradley 440R S845AER-NNL
Guardmaster Safety Relay
440R Safety Module
Replaces / compatible with
This safety relay is part of the Allen Bradley Guardmaster 440R series, designed for comprehensive machine safety monitoring.
Technical note
Expert tip
Requires proper wiring of safety input devices to ensure functional safety integrity.What happens next?
1
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2
Account manager assigned
Confirms your part's spec and condition
3
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Tailored to your specific requirements
Frequently asked questions
How many safety output contacts does the Allen Bradley 440R-S845AER-NNL safety relay offer?
The Allen Bradley 440R-S845AER-NNL Guardmaster safety relay is equipped with five normally open (NO) and two normally closed (NC) output contacts, providing flexibility for various safety circuit configurations.