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Zinsco QFB125-2 - Molded Case Circuit Breaker 125A 2-Pole

Zinsco
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Zinsco QFB125-2 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 125A current rating and a 240V AC voltage rating, housed in a compact, durable molded case with a bolt-on connection for secure installation. This two-pole, single-phase breaker utilizes a thermal-magnetic protection mechanism, offering both long-time delay and instantaneous trip (LI) functions with an interrupting capacity of 10kA at 240V. It is engineered for integration into panelboards and switchgear requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QFB Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 10kA @ 240V
  • Frame: QFB
  • Weight: 3 lb