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Cutler Hammer KT4400T - Thermal Magnetic Trip Unit 400A 600V 4-Pole

Cutler Hammer
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Cutler Hammer KT4400T is a thermal magnetic trip unit designed for providing adjustable overcurrent protection in compatible circuit breaker frames. It features a 600V AC voltage rating and is factory-set for a fixed 400A current rating, integrating both long-time and instantaneous (LI) protection functions into a compact 1 in x 1 in x 1 in housing. This UL Listed unit is constructed for reliability and is compatible with a range of Series C frames including KD, DK, KDB, HKD, HKDB, KDC, CKD, and CHKD. The four-pole KT4400T is typically applied in industrial power distribution systems to safeguard electrical circuits from overloads and short circuits.

Key Features & Specifications
  • Type: KT Series thermal magnetic trip unit for adjustable protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A (Fixed)
  • Dimensions: 1 in x 1 in x 1 in (L x H x W)
  • Weight: 0.1 lb
  • Standards: UL Listed
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Poles: 4
  • Compatible Frames: KD, DK, KDB, HKD, HKDB, KDC, CKD, CHKD
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679223376
  • GTIN: 00786679223376