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Siemens JK3B100 - Molded Case Circuit Breaker 100A 600V 3-Pole

Siemens
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The Siemens JK3B100 is a 3-pole, 100A molded case circuit breaker from the JK Frame family, designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V AC, providing long-time and instantaneous (LI) protection functions to safeguard equipment from sustained overloads and short circuits. Weighing 16 lb, this bolt-on unit features a compact molded case construction suitable for panelboard or switchboard installation, with a 3-phase configuration for three-wire systems. The breaker complies with UL 489 and other applicable industry standards for molded case circuit breakers, ensuring reliable performance in commercial and industrial environments. Typical applications include motor control centers, lighting panels, and distribution boards requiring robust overcurrent protection in 600V class systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Protection
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Weight: 16 lb
  • Family: JK Frame
  • Functions: LI - Long-Time and Instantaneous
  • Standards: UL 489
  • Applications: Industrial power distribution, motor control centers, lighting panels, switchboards
  • Breaker Type: Molded Case
  • Frame Size: JK
  • Protection: Thermal Magnetic
  • Circuit Breaker Mounting Style: Bolt-On
  • Phase Connection: 3-Phase
  • Frequency Rating: 50/60 Hz
  • Installation Type: Fixed
  • Item QTY: 1


Product Identification
  • UPC: Not provided
  • GTIN: Not provided