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Cutler Hammer W+B23FJ - Solid State Overload Relay 45A (Class 10/20)

Cutler Hammer
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Cutler Hammer W+B23FJ is a solid state overload relay engineered for precise motor protection in industrial applications requiring accurate current monitoring and reliable trip response. This device is rated for 45 A and supports both Class 10 and Class 20 trip times, with manual or automatic reset operation and visual trip indication for simplified troubleshooting. The relay features standard NEMA contactor/starter mounting, electrically isolated NO/NC contacts, and single phase protection, with interchangeable heater packs for flexible full-load ampere matching. It is designed to comply with industry standards for motor circuit protection, ensuring safe and efficient operation in demanding environments. Typical applications include integration into motor control centers and industrial automation systems where robust overload protection is critical.

Key Features & Specifications
  • Type: Solid State Overload Relay
  • Current Rating: 45 A
  • Mounting: Standard NEMA contactor/starter mounting
  • Reset Mode: Manual or Automatic
  • Visual Trip Indication
  • Interchangeable heater packs for flexible FLA matching
  • Single phase protection
  • Class 20 or 10 trip time
  • Electrically isolated NO/NC contacts
  • Weight: 5.19 lb


Part Number: W+B23FJ