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Siemens JD63B250 - Molded Case Circuit Breaker 250A 600V 3P

Siemens
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Siemens JD63B250 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 continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering both long-time and instantaneous (LI) protection functions. The breaker is constructed within a compact JD frame with a bolt-on connection, weighs 19.753 lb, and operates reliably across a temperature range of -25°C to 70°C. It complies with UL and IEC standards, is RoHS compliant, and delivers an interrupting capacity of 35kA at 480V AC, making it suitable for panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Frame Size: JD Frame
  • Poles: 3
  • AIC Rating: 35kA @ 480V AC
  • Phase: 3-Phase
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-On
  • Standards & Certification: UL, IEC, RoHS
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 19.753 lb
  • Family: Sentron Series


Product Identification
  • UPC: 783643213180
  • GTIN: 00783643213180