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Siemens QJ2B150 - Molded Case Circuit Breaker 150A 2-Pole

Siemens
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Siemens QJ2B150 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 150A current rating and a 240V AC voltage rating, suitable for single-phase applications, and is constructed with a durable thermal-magnetic trip unit for consistent LI (Long-time and Instantaneous) protection functions. The breaker's compact, 2-pole bolt-on configuration ensures secure installation in panelboards, and it meets industry standards with an interrupting capacity of 10kA at 240V. This model is typically applied in feeder and branch circuit protection for equipment such as HVAC systems, industrial machinery, and lighting panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Family: QJ Series
  • Weight: 3 lb