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Siemens QJ3B125 - Molded Case 125A 3-Pole 240V

Siemens
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Siemens QJ3B125 Circuit Breaker - Molded Case 125A 3-Pole 240V Thermal Magnetic The Siemens QJ3B125 is a three-pole molded case circuit breaker from the QJ Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. Rated for 240V AC and 125A, it delivers a 10kA interrupting capacity at 240V and utilizes thermal magnetic protection for reliable overcurrent and short-circuit interruption. This bolt-on breaker weighs 4 lb and features a compact molded case construction for secure panel mounting in three-phase applications. It complies with industry standards for industrial and commercial power distribution systems. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers.

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


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