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Cutler Hammer HQP1055 - 55A Single Pole Circuit Breaker

Cutler Hammer
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Cutler Hammer HQP1055 is a single-pole molded case circuit breaker from the QUICKLAG family, designed to provide thermal magnetic overcurrent protection with long-time and instantaneous (LI) trip functions. This 55A breaker is rated for 120V and offers a 10kA interrupting capacity at 120V, utilizing a plug-in connection for straightforward installation in compatible load centers. Weighing 5.19 lb, it features a compact construction suitable for branch circuit protection in industrial and commercial power distribution systems. The breaker complies with relevant industry standards for safety and performance, including BS EN 60898-1. Typical applications include protecting lighting, appliance, and general-purpose circuits in panelboards and switchboards.

Key Features & Specifications
  • Manufacturer: Cutler Hammer
  • Series/Frame: HQP
  • Family: QUICKLAG
  • Type: HQP
  • Amperage Rating: 55 A
  • Voltage Rating: 120 V
  • Number of Poles: 1
  • Mounting Type: Plug-On
  • Protection: Thermal Magnetic
  • Trip Type: Non-Interchangeable
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 6 kAIC
  • AIC rating: 10kA@120V
  • Phase: 1
  • Weight: 5.19 lb
  • Certifications: BS EN 60898-1


Part Number: HQP1055