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Cutler Hammer CHB345 - Molded Case 45A 3-Pole 240V

Cutler Hammer
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Cutler Hammer CHB345 is a 3-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 240V AC at 45A with a 10kA interrupting capacity at 240V, providing LI (Long-Time and Instantaneous) protection functions. This bolt-on breaker weighs 1 lb and features a compact CHB frame construction for reliable performance in panelboards. It complies with UL and NEMA standards for electrical safety and installation. Typical applications include branch circuit protection in commercial and light industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 240V
  • Current Rating: 45A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 10kA@240V
  • Weight: 1 lb
  • Family: CHB Series
  • Functions: LI - Long-Time and Instantaneous
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, NEMA
  • Installation Type: Panelboard
  • Breaker Frame: CHB
  • Current Rating: 45A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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