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Cutler Hammer HLA3225T - Thermal Magnetic Trip Unit 225A 600V

Cutler Hammer
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The Cutler Hammer HLA3225T is a three-pole thermal magnetic circuit breaker trip unit designed to provide reliable overcurrent protection for industrial power distribution systems. It features a fixed 225A current rating and a 600V AC voltage rating, utilizing a long-time and instantaneous (LI) trip function to safeguard against both sustained overloads and short-circuit faults. The unit is constructed within a compact, UL-listed housing measuring 8.5" x 4.7" x 4.7" and weighing 2.5 lb, and it is designed for compatibility with LA and HLA breaker frames as part of the MARK 75 family. This component is engineered to meet rigorous industry standards and is typically applied in panelboards and switchgear for commercial and industrial facilities requiring robust circuit protection.

Key Features & Specifications
  • Type: HLA thermal magnetic trip unit with long-time and instantaneous (LI) protection
  • Voltage Rating: 600V AC
  • Current Rating: 225A (Fixed)
  • Dimensions: 8.5 in (L) x 4.7 in (H) x 4.7 in (W)
  • Weight: 2.5 lb
  • Standards: UL Listed
  • Applications: Industrial power distribution, panelboards, switchgear
  • Switch Type: Integrated trip unit
  • Configuration: Fixed rating
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Compatible Frames: LA, HLA
  • Family: MARK 75
  • Country of Origin: United States


Product Identification
  • UPC: 786679185766
  • GTIN: 00786679185766