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Siemens J2B125 Circuit Breaker - Molded Case 125A 2-Pole Thermal Magnetic (600V J Frame)

Siemens
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Siemens J2B125 Circuit Breaker - Molded Case 125A 2-Pole Thermal Magnetic (600V J Frame) The Siemens J2B125 is a 2-pole molded case circuit breaker from the J Frame family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 125A continuous current, and utilizes a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) protection functions. This bolt-on breaker weighs 17 lb and is constructed for single-phase applications, featuring a compact J frame size that ensures reliable performance in panelboards and switchboards. It complies with industry standards for molded case circuit breakers, making it suitable for commercial and light industrial environments requiring robust circuit isolation and fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, J Frame, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 17 lb
  • Functions: Long-Time and Instantaneous trip
  • Family: J Frame
  • Type: J
  • Item Subcategory: Molded Case


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