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Siemens HKB3B120 - Molded Case 1200A 600V 3-Pole

Siemens
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Siemens HKB3B120 Circuit Breaker is a 3-pole molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 1200A continuous current, and delivers a 50kA interrupting capacity at 480V AC to handle high-fault scenarios. This bolt-on unit weighs 42 lb and features a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) protection functions for precise coordination. The breaker complies with UL and NEMA standards, ensuring reliable performance in demanding environments. It is typically applied in switchboards, panelboards, and motor control centers for commercial and industrial facilities.

Key Features & Specifications
  • Type: Siemens HKB3 Series Molded Case Circuit Breaker, thermal magnetic operation
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 50kA @ 480V AC
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 42 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers


Product Identification
  • UPC: Not available
  • GTIN: Not available