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Siemens JD63B350HL - Molded Case Circuit Breaker 350A 600V 3P

Siemens
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Siemens JD63B350HL is a three-pole molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 350A continuous current rating, housed within a robust JD frame with a feed-thru connection style. 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, making it suitable for protecting feeders, branch circuits, and motor applications in commercial and industrial panels.

Key Features & Specifications
  • Type: Three-pole, molded case circuit breaker with thermal-magnetic protection and long-time/instantaneous (LI) trip functions
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Frame Size: JD Frame
  • Connection: Feed-Thru
  • Phase: 3
  • AIC Rating: 35kA at 480V AC
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Standards: RoHS
  • Certification: UL, IEC
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Weight: 27 lb
  • Family: Sentron Series
  • Item Subcategory: Molded Case