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440R-N23126 440R-N23130 440R-N23131 440R-N23133 440R-N23134 440R-N23135
440R-N23131
  1. 440R-N23126 440R-N23130 440R-N23131 440R-N23133 440R-N23134 440R-N23135
  2. 440R-N23131

Allen Bradley 440R-N23131 Safety Relay

£224.19 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsAllen Bradley
Model 440R-N23131 Allen Bradley
Product Type Single-Function Safety Relay
Series Guardmaster MSR
Supply Voltage 115V AC (50 Hz)
Voltage Type AC
Mounting Type DIN Rail (35mm top hat)
Connection Type Plug-in removable terminals
Supply Voltage Range 115V AC ±10%
Input Type Single or dual-channel monitoring supported
Dimensions (W x H x D) 99 x 114.5 x 22.5 mm
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SKU: 440R-N23131 Category: Tag: Brand:
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Allen Bradley 440R-N23131 Safety Relay

The Allen Bradley 440R-N23131 (MSR127.1T) is a Guardmaster single-function safety relay designed for monitoring emergency stop circuits, magnetic interlocks, and optoelectronic protection devices. Operating at a 115V AC supply , this relay provides three normally open (N.O.) safety contacts and one normally closed (N.C.) auxiliary contact to deliver reliable safety performance across diverse industrial environments.

Technical Specifications

Model 440R-N23131 Allen Bradley
Series Guardmaster MSR
Product Type Single-Function Safety Relay
Supply Voltage 115V AC (50 Hz)
Voltage Type AC
Input Configuration 1-channel or 1- and 2-channel
Safety Outputs 3 N.O. contacts
Auxiliary Output 1 N.C. contact (signalling function)
Reset Mode Automatic or Manual selectable
Performance Level (EN ISO 13849-1) Level e
Stop Category (IEC 60204) 0
Mounting Type DIN Rail (35mm top hat)
Connection Type Plug-in removable terminals
Dimensions (W x H x D) 99 x 114.5 x 22.5 mm

Electrical & Performance Details

Supply Voltage Range 115V AC ±10%
Output Configuration 3 N.O. safety outputs + 1 N.C. auxiliary
Input Type Single or dual-channel monitoring supported
Reset Function Selectable automatic or manual reset
Stop Function Category 0 (immediate stop)
Performance Level PL e / Category 4
Feedback Circuit Yes, for contactor monitoring
Start Input Yes (monitored start supported)
Relay Contacts Electromechanical type for reliable switching

Mechanical Specifications

Width 99 mm
Height 114.5 mm
Depth 22.5 mm
Mounting 35mm DIN Rail
Housing Slimline safety relay enclosure suitable for control panels

Environmental & Application Suitability

Typical Applications Emergency stop circuits, guard door switches, light curtain safety systems
Monitoring Capability Single or dual-channel input configuration
Stop Function Category 0 (immediate shutdown)
Suitable For E-stop, magnetic interlocks, and optoelectronic sensors
Installation Environment Industrial control cabinets and machinery safety systems

Compliance & Certifications

Performance Level PL e (EN ISO 13849-1)
Safety Category Category 4 (IEC 62061)
Stop Category 0 (IEC 60204)
UL / cUL Listed Yes
BG BIA Approved Yes
CE Marked Yes
RoHS Compliant Yes

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Frequently Asked Questions

How can I check whether 440R-N23131 is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can 440R-N23131 be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 2 kg

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440R-N23131_Technical-Data.pdf440R-N23131_Installation-Instructions.pdf

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