440R-S12R2

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Overview of Allen Bradley 440R-S12R2

The Allen Bradley 440R-S12R2 is a Guardmaster Single Input Safety Relay engineered for reliable safety circuit monitoring. This safety relay features a dual channel universal input and is designed for use in emergency-stop circuits and proximity switch monitoring. Its compact design fits standard DIN rail mounting, making it easy to integrate into various industrial control systems. The 440R-S12R2 is well-regarded for its robust performance in safety applications, offering automatic or manual monitored reset options to suit different safety requirements. Certified to high industry standards, it ensures dependable operation in demanding environments. The relay supports single-wire safety output and includes auxiliary contacts for signaling, making it ideal for machine safety and guarding applications.

Key Features of Allen Bradley 440R-S12R2

  • Single Input Guardmaster safety relay for streamlined safety circuit integration
  • 1 Dual Channel Universal Input compatible with various safety devices
  • Two Normally Open Immediate Safety Outputs for reliable safety signal control
  • One Normally Closed Solid State Auxiliary Output for auxiliary functions
  • Single-wire safety output (OSSD) with 50mA capacity for wiring simplicity
  • 24V DC power supply designed for industrial control systems
  • Configurable reset modes: automatic, manual monitored, or manual reset
  • Removable terminals for easy wiring and maintenance
  • Compact size with DIN rail mounting for versatile installation
  • Certified to multiple safety standards including TUV PLe and CE

Technical Specs of 440R-S12R2

Specification Details
Inputs 1 Dual Channel Universal Input
Safety Outputs 2 Normally Open Immediate Safety Outputs
Auxiliary Output 1 Normally Closed Solid State
Output Type Single Wire Safety or OSSD 50mA
Power Supply 24V DC
Reset Modes Automatic, Manual Monitored, Manual
Mounting DIN Rail
Operating Temperature -5°C to 55°C
IP Rating IP40 (Housing), IP20 (Terminals)
Contact Material Silver Nickel (AgNi)
Mechanical Life 10,000,000 cycles
Dimensions 119.4 mm H x 22.5 mm W x 113.6 mm D
Weight 0.15 kg
Certifications CE, cULus, TUV PLe, CCC, S-Mark

Applications / Use Case

The Allen Bradley 440R-S12R2 is commonly used in industrial safety circuits to monitor emergency-stop functions and proximity sensors. It is ideal for machine guarding systems where high safety integrity is required. The relay’s single input and multiple output configuration allow it to manage safety shutdowns effectively, preventing hazardous conditions. The 440R-S12R2 is suitable for applications in manufacturing plants, assembly lines, and robotic work cells, ensuring compliance with safety regulations. Its versatile reset options and robust construction provide reliable performance in environments with electrical noise and mechanical vibration. This relay enhances operator safety and equipment protection through dependable monitoring and fast response to fault conditions.

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440R-S12R2

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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