440R-N23112

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Overview of Allen Bradley 440R-N23112

Allen Bradley 440R-N23112 is a single-function safety relay designed for reliable, high-integrity protection in industrial automation and machine safety applications. Part of the Guardmaster MSR series, this safety relay monitors and manages dual-channel safety inputs from devices such as E-stops, safety gates, interlock switches, and light curtains. With a 230V AC supply and both automatic and monitored manual reset options, Allen Bradley 440R-N23112 helps ensure safe operation and rapid system shutdown when a fault or hazard is detected. This DIN rail-mounted unit is compact, durable, and compliant with international safety standards, making it well-suited for integration into control panels and machinery where user safety cannot be compromised.

Key Features of Allen Bradley 440R-N23112

  • Single-function safety relay with two normally open (NO) safety contacts for secure, failsafe control outputs
  • Operates on 230V AC supply, supporting a wide range of industrial sites and automation environments
  • Monitored manual or automatic reset—select the reset mode that fits your application’s safety protocol
  • Cross-fault monitoring detects wiring errors and internal faults, increasing system reliability
  • Meets Category 4 per EN954-1 (PL e, SIL 3), ensuring high performance and safety integrity
  • Compatible with both single and dual-channel safety device inputs, such as safety switches and light curtains
  • DIN rail mounting (35mm) for easy installation and panel integration
  • Enclosure rated IP40, terminals rated IP20 for dust and finger protection
  • Contact rating of 3 A, supporting a variety of load types and conditions
  • Certified to CE, C-Tick, and C-UL-US standards for global compliance

Technical Specs of 440R-N23112

Parameter Value
Supply Voltage 230V AC
Contact Rating 3 A
Safety Outputs 2 NO
Reset Type Automatic/Manual (monitored)
IP Rating IP40 (body), IP20 (terminals)
Dimensions (WxHxD) 22.5 x 75 x 110 mm
Mounting DIN rail (35mm)
Operating Temperature -5°C to +55°C
Contacts Material Silver Tin Oxide (AgSnO2)
Certifications CE, C-UL-US, C-Tick

Applications / Use Case

Allen Bradley 440R-N23112 is ideal for machine safety applications that require robust emergency stop, access guard, and automation restart logic. This relay is commonly used to monitor safety gates, E-stop loops, light curtains, and interlock switches in packaging, material handling, CNC machines, automotive assembly, and other industrial environments. Its cross-fault monitoring and category 4 safety rating make it a trusted solution for preventing hazardous machine motion and ensuring operator safety. The compact design and simple wiring allow for straightforward integration into new and existing control panels, supporting compliance with global safety standards and risk assessment requirements.

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440R-N23112

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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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