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Challenger SKM3T400 - Thermal Magnetic Trip Unit 800A 600V 3-Pole

Challenger
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The Challenger SKM3T400 is a thermal-magnetic circuit breaker designed for overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 600V with a current rating of 800A, supporting a minimum amperage of 400 and a maximum of 400, and features a 3-pole, 3-phase, bolt-on connection configuration. This unit weighs 10 lb and provides LI (Long-Time and Instantaneous) protection functions, with an AIC rating of 30kA at 480V. It is compatible with SKM frames and complies with industry standards for robust electrical safety. Typical applications include protecting branch circuits and feeders in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 800A
  • Amperage Minimum: 400
  • Amperage Maximum: 400
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC rating: 30kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: SKM
  • Weight: 10 lb
  • Family: SKM Series
  • Type: SKM
  • Item Subcategory: Trip Units & Programmers