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Siemens JL3T175 - Thermal Magnetic Trip Unit 175A 600V 3-Pole

Siemens
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Siemens JL3T175 is a thermal magnetic circuit breaker trip unit designed for providing adjustable overcurrent protection in industrial power distribution systems. It is rated for 600V AC systems and features a fixed 175A current rating within its JL Series 175A frame. The unit provides combined long-time and instantaneous (LI) protection functions through its integrated thermal-magnetic tripping mechanism, ensuring reliable coordination and selective tripping. It complies with relevant industrial standards for circuit protection devices and is engineered for integration into compatible JL Series breaker frames. Typical applications include protecting feeders, branch circuits, and motor circuits in commercial and industrial panelboards and switchgear.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, Long-Time & Instantaneous (LI) Protection
  • Voltage Rating: 600V AC
  • Current Rating: 175A Fixed
  • Frame Size: 175A
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Compatible Frames: JL Series
  • Weight: 6 lb