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Siemens KM3T225 - Thermal Magnetic Trip Unit 225A 600V 3-Pole

Siemens
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Siemens KM3T225 Circuit Breaker is a thermal magnetic trip unit designed for long-time and instantaneous (LI) protection in industrial power distribution systems. It operates at a voltage rating of 600V and supports a current range of 225A minimum to 225A maximum, configured for 3-pole applications. The unit weighs 3 lb and is part of the K Frame family, specifically compatible with KM frames, featuring a compact construction for panel integration. It complies with industry standards for thermal magnetic protection, ensuring reliable overcurrent and short-circuit interruption. Typical applications include motor control centers, switchboards, and industrial machinery requiring precise LI protection.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 225A (Minimum and Maximum)
  • Poles: 3
  • Protection: LI - Long-Time and Instantaneous
  • Compatible Frames: KM
  • Weight: 3 lb
  • Family: K Frame
  • Functions: Long-Time and Instantaneous


Product Identification
  • Manufacturer: Siemens
  • Item Subcategory: Trip Units & Programmers
  • Type: KM