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QJ3B12500S01

Siemens
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Save $-423.29
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Siemens QJ3B12500S01 is a 3-pole molded case circuit breaker designed for thermal-magnetic overload and short-circuit protection in commercial and industrial power distribution systems. It is rated for 125A at 240V AC with a 10kA interrupting capacity and features LI (Long-Time and Instantaneous) trip functions for precise coordination. The unit weighs 4 lb and utilizes a bolt-on connection for secure panel mounting within a 3-phase system. This QJ Series breaker complies with applicable UL and industry standards for molded case circuit breakers. It is typically applied in branch circuit protection, lighting panels, and motor control centers requiring reliable 240V AC protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Family: QJ Series
  • Poles: 3
  • Current Rating: 125A
  • Voltage Rating: 240V AC
  • Interrupt Rating: 10kA @ 240V
  • Protection: Thermal Magnetic
  • Trip Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 4 lb
  • Frequency: 50/60 Hz


Siemens QJ3B12500S01 - Molded Case Circuit Breaker 125A 240V