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Siemens JK3B090 - Molded Case 90A 600V 3-Pole Breaker

Siemens
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The Siemens JK3B090 is a 3-pole, 90A molded case circuit breaker from the JK Frame family, designed to provide LI (Long-Time and Instantaneous) thermal-magnetic protection for industrial power distribution systems. Rated for 600V AC and 3-phase operation, this bolt-on unit delivers reliable overcurrent protection with a compact construction weighing 16 lb. The breaker meets industry standards for molded case circuit breakers and is typically used in panelboards, switchboards, and motor control centers requiring robust branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Phase: 3
  • Weight: 16 lb
  • Family: JK Frame
  • Functions: LI - Long-Time and Instantaneous


Product Identification
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