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Siemens QJ3B12500S01 - Molded Case Breaker 125A 240V 3-Pole

Siemens
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Siemens QJ3B12500S01 is a 3-pole molded case circuit breaker from the QJ Series, designed for thermal magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 125A at 240V AC, with a 10kA interrupting capacity at 240V, and operates in a 3-phase system. The unit features a bolt-on connection, weighs 4 lb, and is constructed for industrial panelboard installation. It complies with applicable UL and NEMA standards for branch circuit protection in commercial and industrial power distribution. Typical applications include feeder and main breaker protection in lighting panels, motor control centers, and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Trip
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA@240V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Family: QJ Series
  • Item Subcategory: Molded Case
  • Manufacturer: Siemens


Product Identification
  • UPC: Not specified
  • GTIN: Not specified