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Siemens JKL3B150 - Molded Case Circuit Breaker 150A 600V 3-Pole

Siemens
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Siemens JKL3B150 is a 3-pole molded case circuit breaker from the JKL Series, designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 600VAC operation with a 150A continuous current rating and features a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. The unit weighs 12 lb and utilizes a bolt-on mounting connection for secure installation in compatible switchgear. This breaker supports 3-phase systems and is UL Listed, meeting industry standards for reliability and safety. It is well-suited for protecting branch circuits and feeder lines in manufacturing facilities, commercial buildings, and other heavy-duty electrical environments.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: JKL3B150
  • Type: Molded Case Circuit Breaker
  • Family: JKL Series
  • Amperage: 150 Amps
  • Voltage Rating: 600 Volts AC
  • Poles: 3 Pole
  • Phase: 3
  • Mounting Type: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 12 lb
  • Certifications: UL Listed