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Cutler Hammer CHB390 - Molded Case Circuit Breaker 90A 3P

Cutler Hammer
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Cutler Hammer CHB390 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 90A current rating and a 240V AC voltage rating, housed in a compact, durable frame with a bolt-on connection for secure installation. This thermal-magnetic breaker complies with industry standards for safety and performance, offering both long-time and instantaneous (LI) trip functions. It is typically applied in panelboards, switchboards, and industrial control equipment where a 10kA interrupting capacity at 240V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Family: CHB Series
  • Weight: 1 lb


Product Identification
  • UPC: 782113112695