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Siemens KPB3B120 - 1200A 3-Pole Molded Case Breaker (600V)

Siemens
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The Siemens KPB3B120 is a three-pole, 1200A molded case circuit breaker from the KPB Series, designed to provide thermal-magnetic protection for industrial power distribution systems. It operates at a voltage rating of 600V and a current rating of 1200A, with an AIC rating of 30kA at 480V, and features LI (Long-Time and Instantaneous) trip functions for precise overcurrent and short-circuit protection. This bolt-on breaker weighs 65 lb and is constructed for three-phase applications, ensuring robust and reliable performance in demanding environments. It complies with industry standards for molded case circuit breakers, making it suitable for use in switchboards, panelboards, and other industrial electrical systems requiring high-current protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 65 lb
  • Family: KPB Series
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer: Siemens
  • Model: KPB3B120