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Zinsco QCB70 - 70A 2-Pole Molded Case Circuit Breaker (240V)

Zinsco
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Zinsco QCB70 is a 2-pole, 70A molded case circuit breaker designed for overcurrent protection in 1-phase electrical systems. It operates at 240V with a 10kA interrupting capacity at 240V, utilizing thermal-magnetic protection for LI (Long-Time and Instantaneous) functions. This bolt-on breaker weighs 2 lb and features a compact molded case construction for secure panel mounting. It complies with industry standards for thermal-magnetic circuit breakers, ensuring reliable performance in commercial and light industrial applications. Typical uses include branch circuit protection in load centers and panelboards requiring 70A, 240V, 1-phase service.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Protection
  • Voltage Rating: 240V
  • Current Rating: 70A
  • Poles: 2
  • Connection: Bolt-On
  • AIC Rating: 10kA@240V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb
  • Family: QCB Series
  • Item Subcategory: Molded Case