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Siemens LL3T500 - Thermal Magnetic Trip Unit 500A 600V 3-Pole

Siemens
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Siemens LL3T500 is a thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a fixed 500A current rating, housed within a compact LL Series frame. This three-pole unit utilizes a Long-time and Instantaneous (LI) trip function to safeguard against both sustained overloads and short-circuit faults, ensuring compliance with relevant industry standards for electrical safety. Its design is specifically intended for integration into compatible LL frame circuit breakers within commercial and industrial panelboards and switchgear.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, LL Series
  • Voltage Rating: 600V AC
  • Current Rating: 500A (Fixed)
  • Poles: 3
  • Frame Size: 500
  • Protection: Thermal Magnetic
  • Functions: LI (Long-time and Instantaneous)
  • Compatible Frames: LL Series
  • Weight: 2 lb