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Siemens JD3B250 - 3-Pole Molded Case Breaker 250A 240V

Siemens
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Siemens JD3B250 is a 3-pole molded case circuit breaker from the JD Series, designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 250A continuous current at 240VAC, with a high interrupting capacity of 65kA at 240V, and provides LI (Long-Time and Instantaneous) trip functions for precise fault response. This bolt-on unit weighs 20 lb and features a compact molded case construction suitable for panelboard or switchboard installation. It complies with UL and NEMA standards for industrial electrical safety and reliability. Typical applications include motor control centers, distribution panels, and heavy machinery protection in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded Case, JD Series
  • Voltage Rating: 240V
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 65kA@240V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 20 lb


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