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Siemens JD63B250HL - Molded Case Circuit Breaker, 250A 3P (35kA AIC)

Siemens
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Siemens JD63B250HL is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 250A current rating and a 600V AC voltage rating, housed within a robust JD frame with a feed-thru connection. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions and is constructed to operate within a temperature range of -25°C to 70°C. It complies with UL and IEC standards, is RoHS compliant, and offers an interrupting capacity of 35kA at 480V AC. Typical applications include protecting feeders, motors, and other equipment in industrial panels and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Sentron Series JD Type, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Frame Size: JD Frame
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • AIC Rating: 35kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal Magnetic
  • Standards: RoHS
  • Certification: UL, IEC
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 27 lb