We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

Allen-Bradley 440R-M23143 Monitored Safety Relay 

Product Description

The Allen-Bradley 440R-M23143 is a monitored safety relay from the Guardmaster series, designed for industrial safety applications. This product integrates the functions of two standard safety relays into a compact DIN rail-mounted device, simplifying the installation and complexity of safety control systems. The 440R-M23143 complies with the latest functional safety standards, providing high-level safety protection suitable for applications requiring PLe, Category 4 (ISO 13849-1) and SIL CL3 (IEC 62061) safety levels1.

Detailed Specifications

Product Advantages and Features

1. High Safety Level: Complies with PLe, Category 4 and SIL CL3 highest safety level standards, ensuring personnel and equipment safety.

2. Versatile Input Compatibility: Universal input design compatible with various safety components including interlock devices, light curtains, safety mats, emergency stops and SensaGuard™ equipment.

3. Simplified Wiring: Single-wire safety connection technology simplifies wiring for cascading and expanding safety functions while maintaining SIL 3 and PLe safety levels.

4. Flexible Configuration: Configurable via rotary switch for automatic/manual or monitored manual reset and AND/OR input logic to adapt to different application requirements.

5. Compact Design: DIN rail mounting with dimensions of only 114.5×99×45mm, saving control cabinet space.

6. Self-Monitoring Function: Built-in self-monitoring output detects internal relay faults to ensure reliable execution of safety functions.

7. Cross-Fault Monitoring: Capable of detecting cross-faults between input channels, improving system reliability.

Typical Application Fields

The 440R-M23143 safety relay is widely used in the following industrial fields:

1. Machine Safety Systems: For safety control of hazardous machinery such as presses, injection molding machines, and packaging machines.

2. Automated Production Lines: Providing safety interlock functions in automotive manufacturing, electronic assembly and other automated production lines.

3. Material Handling Systems: Protecting operators of conveyors, lifts, robotic workstations and other equipment.

4. Food Processing Equipment: Complies with food industry safety standards for dangerous processes like cutting and mixing.

5. Metalworking Machinery: Providing emergency stop and safety door monitoring for presses, shears, bending machines, etc..

Usage Precautions

1. Installation Requirements: Must be installed by qualified professionals in accordance with relevant safety standards and equipment manuals.

2. Power Supply Requirements: Ensure stable power supply voltage within 24V AC/DC range to avoid performance issues caused by voltage fluctuations.

3. Environmental Conditions: Operating environment temperature should be between -5°C to +55°C, avoiding humid, corrosive gas and dusty environments.

4. Regular Testing: Recommend periodic testing of safety functions to ensure proper relay operation, with frequency complying with relevant safety standards.

5. Maintenance Inspection: Regularly check for loose terminal connections and clean contacts to ensure reliable electrical connections.

6. System Integration: When integrating with other safety devices, ensure the entire safety circuit meets required safety level standards.

7. Fault Handling: After safety relay activation, identify and resolve the root cause before performing reset operations.

The structure and details of the product：

 Please make an inquiry for more models

Allen-Bradley 3HAC17332-1

Allen-Bradley 3HAC021962-001

Allen-Bradley GJR5250500R0202

Allen-Bradley CACR-IR050505F

Allen-Bradley 6ES7414-2XG03-0AB0

Allen-Bradley LXD63B500

Allen-Bradley 3HAC022286-001

Allen-Bradley AS-P810-000

Allen-Bradley 6ES5943-7UB11

Allen-Bradley P-HC-BRC-30000000

Allen-Bradley 6GK7343-1EX11-0XE0

Allen-Bradley PHILIPSSAH250B

Allen-Bradley SAH250B

Allen-Bradley PRD2-200

Allen-Bradley 6SE6440-2AB21-5BA1

Allen-Bradley 6GK1502-4AA10

Allen-Bradley 1336-CAP-SP12A

Allen-Bradley 1336-120859-7-0

Allen-Bradley 1336-GMS2

Allen-Bradley 1336S-BRF75-AA

Allen-Bradley 1336S-BRF75-AN

Allen-Bradley 1336-PB-SP9A

Allen-Bradley 1336-SN-SP5A

Allen-Bradley 1336-CONV

Allen-Bradley 13361321-M009

Allen-Bradley 1336BO15-EDE-L3

Allen-Bradley 1336-BR-SP5A

Allen-Bradley 1336-R2-SP5A

Allen-Bradley 1336-B015-EDE-L

Allen-Bradley 1336-B007-EJD-F

Allen-Bradley 1336-VT-B050-EO

Allen-Bradley 1336-L3

Allen-Bradley 1336-BRF20-AN-E

Allen-Bradley 1336-MOD-G2

Allen-Bradley 1336-B007-EN4-L

 Other best-selling products：