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Cutler Hammer CHB340H2 - Molded Case 40A 3-Pole 240V

Cutler Hammer
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Cutler Hammer CHB340H2 is a 3-pole molded case circuit breaker from the CHB Series, designed to provide thermal magnetic overload and short-circuit protection for power distribution systems. It is rated for 240V and 40A, with a high interrupting capacity of 22kA at 240V, and utilizes LI (Long-Time and Instantaneous) trip functions for precise fault response. The unit features a bolt-on connection type, weighs 1 lb, and is built for 3-phase applications. This breaker complies with UL 489 and CSA standards, ensuring reliable performance in industrial and commercial environments where robust circuit protection is required.

Key Features & Specifications
  • Manufacturer: Cutler Hammer
  • Model: CHB340H2
  • Type: Molded Case Circuit Breaker
  • Family: CHB Series
  • Poles: 3
  • Voltage Rating: 240V
  • Current Rating: 40A
  • Interrupt Rating: 22kA @ 240V
  • Protection: Thermal Magnetic
  • Trip Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Phase: 3
  • Weight: 1 lb
  • Wire Size: #8-4 AWG
  • Frequency: 50-60Hz
  • Certifications: UL 489, CSA Listed


Part Number: CHB340H2