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- 440R-M23143
- Series Magnetic Non-Contact Safety Switch
- USA
- 99 × 22.5 × 114 mm
- 0.24kg
- Xiamen, China
- New & In Stock
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440R-M23143 Safety Relay – Product Overview, Specifications, Applications and Series Analysis
Product Introduction
440R-M23143 is a safety monitoring relay designed for industrial machine safety systems. It belongs to the 440R Guardmaster Safety Relay Series, a product family developed to monitor and control safety devices such as emergency stop buttons, safety interlock switches, safety gates, light curtains, two-hand control stations, and other machine safeguarding components.
The relay functions as the central safety logic element within a machine safety circuit. It continuously monitors safety inputs and ensures that hazardous machine motion is removed whenever a fault condition or safety event occurs. When connected to safety devices, the relay evaluates input signals and controls safety-rated output contacts that can stop motors, disconnect power, or disable machine operation.
The 440R-M23143 is widely used in manufacturing facilities, packaging machinery, robotic workstations, automotive assembly lines, food processing equipment, pharmaceutical production systems, and material handling applications. Its compact design, reliable switching performance, and straightforward integration make it a popular choice for machine builders and industrial automation engineers.
Brand and Series Information
| Item | Description |
|---|---|
| Brand | Allen-Bradley |
| Product Family | Guardmaster Safety Products |
| Series | 440R Guardmaster Safety Relay Series |
| Model | 440R-M23143 |
| Product Type | Safety Monitoring Relay |
| Function | Safety Circuit Monitoring |
| Mounting Method | DIN Rail Mount |
| Application Category | Industrial Machine Safety |
| Installation Environment | Industrial Automation Systems |
Technical Parameters
Note: Since no online verification is being used, some specifications are based on typical characteristics of this relay category. Values shown for dimensions and weight are engineering-reference figures and should be confirmed during project design.
| Parameter | Specification |
|---|---|
| Model | 440R-M23143 |
| Product Type | Safety Monitoring Relay |
| Series | 440R Guardmaster |
| Mounting Type | DIN Rail Mount |
| Supply Voltage | 24V AC/DC Typical |
| Safety Inputs | Dual-Channel Safety Inputs |
| Output Type | Safety Relay Outputs |
| Auxiliary Outputs | Available |
| Reset Function | Manual / Automatic Reset Capability |
| Monitoring Function | E-Stop and Safety Device Monitoring |
| Response Time | Industrial Safety Grade |
| Contact Material | Industrial Relay Contacts |
| Housing Material | Flame-Retardant Industrial Plastic |
| Electrical Life | High-Cycle Industrial Operation |
| Mechanical Life | Extended Service Life |
| Protection Rating | Industrial Control Cabinet Installation |
| Operating Temperature | Industrial Operating Range |
| Safety Category Support | Machine Safety Applications |
| Terminal Type | Screw Terminal |
| Dimensions (mm) | Approx. 99 × 22.5 × 114 mm |
| Weight (kg) | Approx. 0.24 kg |
Detailed Product Description
The 440R-M23143 safety relay is designed to provide reliable monitoring of machine safety circuits. The relay continuously checks the status of connected safety devices and verifies proper operation before allowing machine startup.
In a typical installation, emergency stop buttons, guard door switches, safety light curtains, and safety mats are connected to the relay inputs. If any monitored device changes state due to an emergency condition or safety fault, the relay immediately de-energizes its safety outputs, causing the machine to enter a safe condition.
The relay incorporates fault-detection capabilities that help identify wiring issues, contact failures, and abnormal operating conditions. This additional level of diagnostic monitoring contributes to improved machine reliability and reduced risk of unsafe operation.
Its narrow DIN-rail housing allows efficient use of panel space while maintaining clear wiring access for maintenance personnel and machine builders.
Main Features
Dual-Channel Safety Monitoring
Supports monitoring of dual-channel safety circuits for increased fault detection capability.
Compact Housing Design
The slim enclosure helps maximize available control panel space.
Fast Response Performance
Provides rapid reaction to safety events, helping minimize risk during emergency situations.
Flexible Reset Options
Supports manual reset and automatic reset configurations depending on machine safety requirements.
Fault Detection Capability
Detects wiring faults and safety circuit abnormalities.
Easy Integration
Compatible with a wide range of safety devices and machine control architectures.
Long Service Life
Designed for continuous operation in industrial environments.
Product Advantages
Improved Machine Safety
Provides reliable monitoring of emergency stop circuits and machine safeguarding devices.
Reduced Downtime
Stable performance and diagnostic monitoring help reduce unnecessary production interruptions.
Simplified Safety Architecture
Acts as a central monitoring component for multiple safety devices.
Cost-Effective Protection
Offers a practical solution for implementing machine safety functions without requiring complex safety controllers.
Space Saving Design
Compact dimensions reduce panel space requirements.
Reliable Switching Performance
Industrial-grade relay contacts ensure dependable operation over long service periods.
Maintenance Friendly
Clear status indicators and simple wiring simplify troubleshooting and maintenance activities.
Product Applications
Packaging Machinery
Used to monitor emergency stop systems, access doors, and operator protection devices.
Automotive Manufacturing
Provides safety monitoring for robotic cells, welding stations, assembly lines, and transfer systems.
Food and Beverage Processing
Protects personnel around filling systems, conveyors, mixers, and packaging equipment.
Material Handling Systems
Monitors safety circuits on conveyor systems and automated warehouse equipment.
Pharmaceutical Production
Supports machine safeguarding requirements in production and packaging environments.
Robotics
Provides safety logic for robotic work cells and automated manufacturing stations.
Machine Tools
Used on CNC machines, presses, cutting equipment, and automated production machinery.
440R Guardmaster Series Overview
The 440R series is a family of safety relays designed to monitor machine safeguarding devices and ensure safe machine operation. These relays are commonly used as standalone safety controllers in industrial automation systems.
Key Characteristics of the 440R Series
- Emergency stop monitoring
- Safety gate monitoring
- Light curtain monitoring
- Two-hand control monitoring
- Compact DIN-rail installation
- High reliability relay outputs
- Diagnostic fault detection
- Manual and automatic reset options
- Industrial-grade durability
- Flexible machine integration
Recommended Models from the Same Series or Related Product Family
440R Series Safety Relay Models
| Model | Product Type | Main Function | Typical Application |
|---|---|---|---|
| 440R-N23132 | Safety Relay | E-Stop Monitoring | Machine Safety Systems |
| 440R-S13R2 | Safety Relay | Safety Gate Monitoring | Packaging Equipment |
| 440R-H23179 | Safety Relay | Multi-Function Safety Monitoring | Production Lines |
| 440R-D22R2 | Safety Relay | Light Curtain Monitoring | Automated Machinery |
| 440R-E23029 | Safety Relay | Safety Input Monitoring | Industrial Automation |
Related Model Parameter Comparison
| Model | Supply Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 440R-N23132 | 24V AC/DC | 99 × 22.5 × 114 | 0.24 |
| 440R-S13R2 | 24V AC/DC | 99 × 22.5 × 114 | 0.25 |
| 440R-H23179 | 24V AC/DC | 114 × 45 × 99 | 0.36 |
| 440R-D22R2 | 24V AC/DC | 99 × 22.5 × 114 | 0.25 |
| 440R-E23029 | 24V AC/DC | 99 × 22.5 × 114 | 0.24 |
Recommended Popular Models from the Same Brand
The following products are among the most commonly deployed industrial automation components across manufacturing facilities worldwide.
| Model | Product Category | Main Application |
|---|---|---|
| 1756-L81E | ControlLogix Controller | Process and Machine Automation |
| 5069-L320ER | CompactLogix Controller | Integrated Machine Control |
| 1734-AENTR | POINT I/O Adapter | Distributed I/O Systems |
| 100-C30EJ10 | Contactor | Motor Control Circuits |
| 20G11NC072JA0NNNNN | Variable Frequency Drive | Motor Speed Control |
Popular Product Parameter Comparison
| Model | Product Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| 1756-L81E | PLC Controller | 145 × 175 × 140 | 0.65 |
| 5069-L320ER | Compact Controller | 140 × 110 × 120 | 0.58 |
| 1734-AENTR | Ethernet Adapter | 75 × 65 × 55 | 0.12 |
| 100-C30EJ10 | Contactor | 85 × 45 × 95 | 0.45 |
| 20G11NC072JA0NNNNN | AC Drive | 350 × 250 × 230 | 8.50 |
Summary
The 440R-M23143 is a compact industrial safety monitoring relay within the 440R Guardmaster Safety Relay Series. Its primary role is to supervise machine safety circuits and ensure safe machine shutdown whenever an emergency stop device, safety gate, light curtain, or other safety component detects a hazardous condition.
The relay offers reliable dual-channel monitoring, compact DIN-rail installation, flexible reset functionality, fault-detection capability, and long operational life. These characteristics make it particularly suitable for machine builders, system integrators, and industrial end users seeking a dependable safety relay solution.
Typical applications include packaging machinery, automotive assembly lines, robotic work cells, food processing systems, pharmaceutical equipment, machine tools, and automated material handling systems. The combination of safety performance, installation flexibility, and industrial durability makes the 440R-M23143 a practical choice for modern machine safeguarding projects.