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Zinsco QB60 - Molded Case Circuit Breaker 60A 1-Pole 120V

Zinsco
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Zinsco QB60 is a 1-pole, 120-volt, 60-amp rated molded case circuit breaker designed for overcurrent protection in electrical distribution systems. It utilizes thermal-magnetic protection technology with LI (Long-Time and Instantaneous) functions to safeguard circuits against overloads and short circuits. This bolt-on unit weighs 1 lb and features a compact construction for direct mounting onto panel busbars in single-phase applications. The breaker is rated with an interrupting capacity of 10kA at 120V, meeting industry standards for residential and light commercial environments. Typical applications include branch circuit protection in load centers and panelboards where reliable, space-efficient overcurrent protection is required.

Key Features & Specifications
  • Type: QB
  • Item Subcategory: Molded Case
  • Family: QB Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 120V
  • Current Rating: 60A
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA@120V
  • Weight: 1 lb