Allen Bradley 440R-N23117 Single Function Safety Relay

£155.19 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 440RN23117
Series Guardmaster MSR126T
Type Single-Function Safety Relay
Supply Voltage 24 V AC/DC
Reset Type Automatic / Manual
Voltage Type AC/DC
Mounting Type DIN rail (35 mm)
Connection Type Screw terminals
Clamp Type Fixed (non-detachable)
Voltage Range (AC 50Hz) 24 V
✓ Genuine OEM Parts✓ 2-Year Store-Backed Warranty✓ Technical Support

Found a Better Price? We’ll Match or Beat It!Send us the competing price or quote for a personalised offer.

🛡️ 24-Month Drive Outlet Warranty

Every product is 100% new, genuine, and backed by our exclusive 2-year warranty. We are an independent supplier and not an authorised distributor. Manufacturer warranties may not apply. See our Terms and Conditions.

SKU: 440R-N23117 Category: Tags: , , Brand:
Guaranteed Safe Checkout
Extra Features
  • 100% Brand New & Genuine OEM Product
  • Includes Full 2-Year Warranty for Peace of Mind
  • Fast UK & Worldwide Shipping – Fully Tracked
  • Expert Technical Support from Our In-House Engineers
  • Found a Better Price? We’ll Match or Beat It Instantly

Allen Bradley 440R-N23117 Single Function Safety Relay

The AB 440R-N23117 MSR126T is a single-function safety relay designed to monitor emergency stop devices and optoelectronic protection equipment in safety-critical control systems. Operating at 24V AC/DC, it supports both automatic and manual reset modes, enabling flexible deployment in diverse safety architectures.

Technical Specifications

Model 440RN23117
Series Guardmaster MSR126T
Type Single-Function Safety Relay
Function E-stop and optoelectronic device monitoring
Reset Type Automatic / Manual
Input Channels 2-channel monitored
Output Contacts 2 x N.O. (safety-related)
Feedback Loop Yes
Stop Category Category 0 (IEC 60204)

Electrical Specifications

Supply Voltage 24 V AC/DC
Voltage Range (AC 50Hz) 24 V
Voltage Range (DC) 24 V
Voltage Type AC/DC
Power Consumption Approx. 2 W
Contact Configuration 2 N.O.
Contact Rating 6 A at 250 V AC / 24 V DC (resistive load)
Short Circuit Protection External fuse recommended
Feedback Circuit Included
Start Input Yes (manual or monitored start via button)

Mechanical Specifications

Width 75 mm
Height 110 mm
Depth 22.5 mm
Mounting Type DIN rail (35 mm)
Connection Type Screw terminals
Housing Material Polycarbonate
Clamp Type Fixed (non-detachable)
Installation Orientation Any

Environmental Specifications

Operating Temperature –10…55 °C
Storage Temperature –25…85 °C
Humidity 5% to 95% non-condensing
Vibration Resistance 10–55 Hz, 0.35 mm (IEC 60068-2-6)
Shock Resistance 10 g, 11 ms (IEC 60068-2-27)
Pollution Degree 2
Ingress Protection IP20 (terminals), IP40 (housing)
Certifications CE, UL, BG BIA
Performance Level PL e (EN ISO 13849-1)
SIL Classification SIL 3 (IEC 61508, with appropriate architecture)

Compliance & Communication

Standard Compliance EN ISO 13849-1, IEC 60204-1, IEC 60947-5-1
Approvals UL, CE, BG BIA
Safety Integration Ideal for light curtains, e-stop buttons, and safety switches
Monitoring Capability Optoelectronic and emergency-stop circuits
Magnetic Switch Support Not supported
Mounting Compliance EN 50022 DIN rail

Frequently Asked Questions

How can I check whether 440R-N23117 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-N23117 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 1.5 kg

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Allen Bradley Supplier UK – Automation Parts & Industrial Controls

Browse Allen Bradley products for industrial automation, PLC systems, PowerFlex drives, SMC soft starters, PanelView HMIs, I/O modules, relays and machine control spares.

⚙️ Genuine OEM Automation Parts
🔎 Search by Part Number
🚚 Fast UK & International Delivery
🛠️ Technical Sourcing Support

Popular Allen Bradley Products

Use the product links below as quick routes into this brand. If you already know your part number, use the search bar for the fastest result.


Shop Allen Bradley by Product Category, Series & Specification

Compare Allen Bradley parts by PowerFlex series, ControlLogix or CompactLogix platform, POINT I/O type, voltage, current rating, communication protocol and exact catalogue number.


Need Help Finding the Right Allen Bradley Product?

If you cannot find the exact part number, send us the model code, a photo of the rating plate or the details of the machine it is fitted to. We can help check availability, replacements and suitable alternatives.


Allen Bradley FAQs

How do I find the correct Allen Bradley product?

The fastest way is to search using the exact manufacturer part number or model code. You can also browse this brand page by product category, series and specification to compare close alternatives.

What should I check before buying Allen Bradley products?

Check the full Allen Bradley catalogue number, series letter, voltage, power rating, firmware or revision requirements, communication option and compatibility with the existing Rockwell Automation system.

Can you help if my exact Allen Bradley part number is not listed?

Yes. Send us the part number, a photo of the label or the machine details and we can check availability, replacement options and suitable alternatives.

Are these products suitable for industrial replacement jobs?

These pages are designed for maintenance teams, panel builders, OEM buyers and engineers who need part-number-led industrial automation spares for repairs, upgrades and breakdown support.

How quickly can you supply Allen Bradley products?

Availability depends on the exact product and quantity required. Check the product page or contact us and we can confirm stock position, lead time and shipping options.

View all Allen Bradley products

Need help selecting the correct protection/switching hardware?

Tell us your system voltage, current and protection needs — we’ll recommend the correct device and settings.

  • Correct rating & coordination guidance
  • Accessories/options for common panels
  • Fast quotation with alternatives