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Siemens QJ2B125 - Molded Case Circuit Breaker 125A 2-Pole

Siemens
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Save $-387.08
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Siemens QJ2B125 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 125A current rating and a 240V AC voltage rating, suitable for single-phase applications, and is constructed with a durable thermal-magnetic trip unit for precise LI (Long-time and Instantaneous) protection functions. The breaker's compact, 2-pole bolt-on configuration ensures secure installation within panelboards, and it complies with relevant industry standards for safety and performance. This model is typically applied in feeder and branch circuit protection for equipment such as HVAC systems, industrial machinery, and power distribution panels.

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