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Siemens JFP63B291 - Molded Case Breaker 335A 600V 3-Pole

Siemens
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Siemens JFP63B291 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. It is rated for 600V AC and 335A, with an interrupting capacity of 35kA at 480V, and features a bolt-on connection for secure installation. Weighing 22 lb, this 3-phase unit is constructed for robust performance in industrial environments. It complies with industry standards for molded case circuit breakers, ensuring reliable overcurrent protection. Typical applications include protecting feeders and branch circuits in panelboards and switchgear within commercial and industrial power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: Sentron Series
  • Type: JFP
  • Weight: 22 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 335A
  • Amperage: 291 Amps
  • Number of Poles: 3
  • Breaker Type: Molded Case Circuit Breaker
  • Trip Unit: FLMC (Thermal Magnetic)
  • Series/Frame: JDFP