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Siemens JD63M400 - Molded Case Circuit Breaker 400A 600V

Siemens
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Siemens JD63M400 is a 3-pole molded case circuit breaker from the Sentron Series, designed for thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. Rated for 400A at 600V AC, it provides a 35kA interrupting capacity at 480V AC for 3-phase applications. This JD Frame breaker weighs 24 lb and features bolt-on mounting for secure installation in industrial enclosures. It complies with RoHS standards and is certified to UL and IEC requirements. Typical applications include industrial power distribution systems and commercial electrical panels requiring reliable overload and short circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: Sentron Series
  • Type: JD
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JD Frame
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Temp Rating: -13°F-158°F (-25°C - 70°C)
  • Weight: 24 lb
  • Standards: RoHS
  • Certification: UL, IEC