MSR127TP Safety Relay
The 440R-N23126 is a Guardmaster MSR127TP single-function safety relay for monitoring compatible safety devices and safety-related control circuits.
Allen-Bradley 440R-N23126 Safety Relay 24V AC/DC 3NO 1NC
Available in stock (400)
Regular price
$93.45
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Regular price
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Technical Specifications
| Brand | Allen-Bradley |
| Model Number | 440R-N23126 |
| Product Category | Safety Relay |
| Sub Brand | Guardmaster |
| Relay Model | MSR127TP |
| Safety Inputs | 1 N.C., 2 N.C., or OSSD |
| Immediate Safety Outputs | 3 N.O. |
| Immediate Auxiliary Outputs | 1 N.C. |
| Power Supply | 24 V AC/DC |
| Reset | Automatic/Manual Reset |
| Terminal Type | Fixed Screw Terminals |
| Contact Rating | DC-13: 6 A at 24 V DC, 0.1 Hz |
| Enclosure Width | 22.5 mm |
Key Features
24V AC/DC Supply
This catalog number operates from a 24 V AC/DC power supply, supporting control systems using either of these supply types.
3NO Safety Outputs
Three normally open immediate safety outputs provide switching contacts for safety-related machine control functions.
1NC Auxiliary Output
One normally closed immediate auxiliary output is provided for status and signalling functions within the control system.
Flexible Safety Inputs
The relay supports one normally closed input, two normally closed inputs, or compatible OSSD input devices.
Fixed Screw Terminals
The 440R-N23126 version uses fixed screw terminals and a compact 22.5 mm enclosure for DIN-rail control-panel installations.
Applications
- Emergency-stop circuit monitoring
- Safety gate monitoring
- Light curtain and OSSD device monitoring
- Dual-channel safety circuits
- Industrial machine safeguarding
- Machine shutdown safety circuits
- Automation control panels
- Safety-related control systems
Purchase Information
We support online purchase of the Allen-Bradley 440R-N23126 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-N23126?
The 440R-N23126 is a Guardmaster MSR127TP single-function safety relay with 24 V AC/DC power supply, three normally open safety outputs and one normally closed auxiliary output.
What supply voltage does 440R-N23126 use?
The documented power supply is 24 V AC/DC.
How many safety outputs does 440R-N23126 provide?
It provides three normally open immediate safety outputs.
Does 440R-N23126 have an auxiliary output?
Yes. The relay provides one normally closed immediate auxiliary output.
What safety inputs does 440R-N23126 support?
The MSR127TP supports one normally closed input, two normally closed inputs, or compatible OSSD inputs.
What reset configuration does 440R-N23126 use?
This catalog number uses automatic/manual reset.
What terminal type does 440R-N23126 use?
The 440R-N23126 uses fixed screw terminals.
What is the contact rating of 440R-N23126?
Rockwell Automation lists a DC-13 contact rating of 6 A at 24 V DC at 0.1 Hz for this catalog number.
How wide is the 440R-N23126 enclosure?
The documented enclosure width is 22.5 mm.
Can 440R-N23126 monitor OSSD safety devices?
Yes. OSSD is included among the documented input types for the MSR127TP relay.
Can 440R-N23126 be considered instead of another MSR127 variant?
It can be considered only after the complete catalog number, supply voltage, terminal type, reset function, input configuration and output requirements have been checked.
What should be checked before ordering 440R-N23126?
Check the complete catalog number, 24 V AC/DC supply requirement, safety input configuration, 3NO safety and 1NC auxiliary output requirements, automatic/manual reset function and fixed screw terminal requirement.
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