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Thomas & Betts Zinsco QC40 - 2-Pole 40A 240V Molded Case Breaker

Zinsco
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The Thomas & Betts Zinsco QC40 is a 2-pole molded case circuit breaker from the QC Series, designed for thermal magnetic overcurrent protection in residential and light commercial applications. It is rated for 40A at 240V with a 10kA interrupting capacity at 240V, providing long-time and instantaneous (LI) trip functions for overload and short-circuit protection. This plug-in breaker weighs 1.94 lb and features a compact molded case construction for direct installation into compatible Zinsco panels. It complies with industry standards for single-phase systems, ensuring reliable performance in branch circuit protection. Typical applications include protecting lighting, appliance, and general-purpose circuits in load centers and panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QC Series
  • Voltage Rating: 240V
  • Current Rating: 40A
  • Poles: 2
  • Connection: Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 1.94 lb


Product Identification
  • UPC: 094925003055