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Siemens JL3B350 - Molded Case Circuit Breaker, 350A 3-Pole

Siemens
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Siemens JL3B350 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 600V AC voltage rating and a 350A continuous current rating, housed within a robust, compact frame with a bolt-on connection for secure installation. This thermal-magnetic protection device complies with relevant industry standards for safety and performance, utilizing a long-time and instantaneous (LI) trip function for coordinated system protection. Its 35kA interrupting capacity at 480V AC makes it suitable for safeguarding feeders and branch circuits in commercial and industrial facilities, including manufacturing plants and data centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 35kA @ 480V AC
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Family/Series: JL Series
  • Connection Type: Bolt-On
  • Protection Type: Thermal Magnetic
  • Weight: 24 lb


Product Identification
  • Manufacturer Part Number: JL3B350