Eaton Cutler Hammer C25DNF240 Contactor

The Eaton Cutler Hammer C25DNF240 Contactor is a high-performance, electrically controlled switch used to control electric motors, lighting, and other high-power electrical loads in industrial and commercial applications. With a 25A rating and a 240V AC coil, the C25DNF240 offers dependable and efficient switching for controlling large electrical systems. The contactor’s robust design ensures long-lasting performance even in demanding environments.

Technical Specifications

  • Model: C25DNF240
  • Manufacturer: Eaton Cutler Hammer
  • Type: Contactor
  • Current Rating: 25A
  • Coil Voltage: 240V AC
  • Number of Poles: 3-pole
  • Auxiliary Contacts: 1NO (Normally Open)
  • Enclosure: Open, suitable for panel mounting
  • Frequency: 50/60 Hz

Key Features

  • 25A contactor ideal for controlling motors and other high-power loads
  • 240V AC coil voltage for compatibility with common industrial circuits
  • Three-pole design for versatile switching applications
  • 1 normally open auxiliary contact for added functionality
  • Silver alloy contacts ensure long service life and reliable performance
  • Compact design allows for efficient use of panel space

Compatible Components & Accessories

  • Eaton Cutler Hammer motor starters
  • Auxiliary contact blocks for additional switching capability
  • Surge protection and overload relays
  • Panel mounting hardware and accessories
  • Additional contactor sizes for high-power systems

Industry Applications

  • Industrial motor control systems
  • Lighting control in commercial and industrial settings
  • HVAC systems with motorized dampers and fans
  • Automated machinery and conveyor systems
  • Control panels for power distribution systems

Installation & Maintenance Notes

  • Ensure proper mounting on a flat surface with adequate ventilation
  • Wiring should comply with local electrical codes for safety
  • Verify proper coil voltage and contact configuration before installation
  • Inspect contacts periodically for wear and replace if necessary
  • Regularly test auxiliary contacts and perform routine maintenance checks


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