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Siemens HE3B150L - Molded Case Circuit Breaker 150A 480V 3P

Siemens
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Save $-1,636.03
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Siemens HE3B150L 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 thermal-magnetic trip unit with Long-time and Instantaneous (LI) protection functions, is rated for 480V AC systems with a continuous current rating of 150A, and offers an interrupting capacity of 25kA at 480V. The breaker is constructed as a three-pole, feed-thru device within the compact HE Series frame, weighing approximately 8 lbs for robust installation in panelboards and switchgear. It is engineered to meet relevant industry standards for safety and performance in demanding electrical environments, making it suitable for protecting feeders, motors, and other critical loads in manufacturing, commercial, and institutional facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with Long-time & Instantaneous (LI) Trip Functions
  • Voltage Rating: 480V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA @ 480V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI (Long-time and Instantaneous)
  • Family/Series: HE Series
  • Frame Size: HE
  • Item Subcategory: Molded Case
  • Weight: 8 lb