Dual-Channel Safety Input
The 440R-S13R2 provides one dual-channel universal safety input for monitoring compatible machine safety devices and circuits.
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Allen-Bradley
Allen-Bradley 440R-S13R2 Safety Relay 24V DC 3NO 1NC
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | Allen-Bradley |
| Model Number | 440R-S13R2 |
| Product Category | Safety Relay |
| Series | Guardmaster |
| Relay Model | Compatibility Input Safety Relay (CI) |
| Safety Inputs | 1 Dual-Channel Universal Input |
| Safety Outputs | 3 N.O. Immediate |
| Auxiliary Output | 1 N.C. Immediate |
| Power Supply | 24 V DC |
| Reset | Configured Automatic/Manual or Manual Monitored Reset |
| SWS Output | Supported |
| Aggregate Output Current | 6 A Maximum |
| Safety Output Rating | AC-15: 1.5 A at 250 V AC; DC-13: 2 A at 24 V DC |
| Power Consumption | 3.5 W |
| Performance Level | Up to PL e |
| Safety Category | Up to Category 4 |
| SIL Claim Limit | SIL 2 |
| Terminal Type | Removable Screw Terminals |
| Wire Size | 0.2–2.5 mm² (24–14 AWG) |
| Enclosure Protection | IP40 (NEMA 1) |
| Mounting | DIN Rail |
| Dimensions | 119.4 × 22.5 × 113.6 mm (H × W × D) |
Key Features
3NO Safety Outputs
Three immediate normally open electromechanical safety outputs are provided for safety-related switching functions.
1NC Auxiliary Output
One immediate normally closed auxiliary output is available for signalling and status functions within the control system.
24V DC Supply
The Guardmaster CI safety relay operates from a 24 V DC control supply and has a documented power consumption of 3.5 W.
Configurable Reset
The front configuration allows automatic/manual reset or monitored manual reset according to the safety application requirements.
Safety Ratings
The relay supports applications up to Performance Level e, Category 4 and a Safety Integrity Level claim limit of SIL 2 when applied within the specified system architecture.
Applications
- Emergency-stop circuit monitoring
- Safety gate and position switch monitoring
- Magnetic safety switch monitoring
- Optoelectronic protective equipment monitoring
- Safety proximity switch monitoring
- Tactile safety sensor monitoring
- Valve monitoring in machine safety systems
- Industrial machine safety control panels
Purchase Information
We support online purchase of the Allen-Bradley 440R-S13R2 Safety Relay. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is Allen-Bradley 440R-S13R2?
The 440R-S13R2 is a Guardmaster Compatibility Input safety relay with one dual-channel universal input, three immediate normally open safety outputs and one immediate normally closed auxiliary output.
What supply voltage does 440R-S13R2 use?
The relay uses a 24 V DC control power supply.
How many safety outputs does 440R-S13R2 provide?
It provides three immediate electromechanical safety outputs with normally open contacts.
Does 440R-S13R2 have an auxiliary output?
Yes. It provides one immediate normally closed auxiliary output for signalling functions.
What reset modes are supported?
The relay can be configured for automatic/manual reset or monitored manual reset using the front configuration control.
Does 440R-S13R2 support Single Wire Safety?
Yes. The CI safety relay provides an SWS output for supported safety system architectures.
What is the maximum aggregate current of the outputs?
The documented maximum aggregate output current per module is 6 A.
What safety performance levels can 440R-S13R2 support?
Rockwell Automation specifies ratings up to Performance Level e, Category 4 and a SIL claim limit of SIL 2 when the relay is applied in a suitable safety architecture.
Can 440R-S13R2 monitor emergency-stop circuits?
Yes. Emergency-stop circuit monitoring is one of the documented applications for this safety relay.
Can 440R-S13R2 monitor safety switches and protective devices?
Yes. It is specified for monitoring devices including position switches, magnetic switches, proximity switches, tactile sensors and optoelectronic protective equipment.
What type of terminals does 440R-S13R2 use?
The relay uses removable screw terminals and supports wire sizes from 0.2 to 2.5 mm², or 24 to 14 AWG.
What should be checked before ordering 440R-S13R2?
Check the complete catalog number, 24 V DC supply requirement, dual-channel input arrangement, required 3NO safety and 1NC auxiliary outputs, reset configuration, safety architecture and terminal wiring requirements.
Need help confirming a model?
Send us your part number and technical requirements.
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