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Siemens CJT3B250 - Thermal Magnetic Trip Unit, 250A 600V 3-Pole

Siemens
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Siemens CJT3B250 is a thermal magnetic circuit breaker trip unit designed for providing adjustable long-time and instantaneous overcurrent protection in industrial power distribution systems. It is rated for 600V AC applications and features a fixed 250A current rating within a 250-frame size, constructed as a three-pole unit for integration into compatible circuit breaker frames. This component complies with relevant industry standards for electrical protection devices and is engineered for reliable operation in demanding environments such as manufacturing facilities, data centers, and commercial buildings where precise overcurrent coordination is required.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit (CJT Type), Electronic
  • Voltage Rating: 600V AC
  • Current Rating: 250A (Fixed)
  • Functions: LI (Long-Time and Instantaneous Protection)
  • Protection: Thermal Magnetic
  • Poles: 3
  • Frame Size: 250
  • Compatible Frames: NJG, HJG, LJG
  • Family: VL Series
  • Item Subcategory: Trip Units & Programmers
  • Weight: 4 lb


Product Identification
  • UPC: 078364342991
  • GTIN: 00783643429918