440F-C251P

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Overview of Allen Bradley 440F-C251P

The Allen Bradley 440F-C251P is a surface mount safety controller from the Guardmaster Safedge series. Engineered for reliable perimeter and point-of-operation safeguarding, this unit is designed to work with pressure-sensitive safety edges to help protect personnel near hazardous machine movements. Operating on 24V AC/DC or 110/230V AC, it provides automatic or manual reset modes to fit various machine safety requirements. The unit offers flexible integration with existing safety systems and is constructed with a durable polycarbonate housing. Its 130 mm housing width and compact footprint enable easy installation in control panels or on equipment. The 440F-C251P detects actuations from connected safety edges and provides dual-channel safety outputs with an additional auxiliary relay. This setup allows straightforward wiring and dependable fail-safe performance for diverse industrial machinery. With CAT 3 safety rating and PLd compliance per EN ISO 13849-1, the controller is suitable for meeting global safety standards.

Key Features of Allen Bradley 440F-C251P

  • CATEGORY 3 safety design, compliant with EN ISO 13849-1 PLd
  • Supports 24V AC/DC or 110/230V AC input power
  • Surface mount housing, 130 mm width
  • For use with one Safedge safety edge input
  • Dual independent normally open (N.O.) safety relay outputs
  • Additional normally closed (N.C.) auxiliary relay output
  • Automatic or manual reset selection
  • Comprehensive LED status indicators (Run, Open, Stop)
  • IP65 environmental protection for control unit
  • Replaceable internal safety and supply fuses

Technical Specs of 440F-C251P

  • Input voltage: 24V AC/DC, 110/230V AC
  • Outputs: 2 x N.O. safety contacts, 1 x N.C. auxiliary relay contact
  • Contact rating: AC-15: 2 A/250V AC; DC-13: 2 A/30V DC
  • Housing dimensions: 130 mm (W) x 130 mm (H) x 75 mm (D)
  • Operating temperature: -10…+55 °C (control unit), -5…+55 °C (profile)
  • Power consumption: less than 6 VA
  • IP65 protection (control unit), IP40 enclosure, IP20 terminals
  • Response time: 13 ms
  • Weight: 0.65 kg
  • Complies with Cat. 3, PLd, EN ISO 13849-1, EN ISO 13856-2

Applications / Use Case

Allen Bradley 440F-C251P is used in machinery and automation systems where safeguarding the operator from hazardous movements is critical. Typical use cases include machine perimeter protection, edge guarding for automated guided vehicles, and securing access gates or doors on production lines. The unit integrates with pressure-sensitive safety edges, providing immediate stop functionality when actuated to reduce injury risk. Its dual-channel safety outputs make it compatible with a wide range of safety relays and contactors, supporting redundancy requirements in safety circuits. Industries such as packaging, material handling, automotive manufacturing, and robotics benefit from the straightforward installation and the clear signaling provided by the LED indicators. The controller’s automatic and manual reset options allow system designers to tailor safety functionality to specific process needs, ensuring compliance with demanding global safety standards.

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440F-C251P

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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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