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Cutler Hammer CAH3125Y - Molded Case Circuit Breaker 125A 240V 3-Pole

Cutler Hammer
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Cutler Hammer CAH3125Y is a molded case circuit breaker from the AB DE-ION family, designed to provide primary overcurrent protection in commercial and industrial power distribution systems. This three-pole unit is rated for 125 amps at 240 volts AC, utilizing a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions for coordinated fault response. The breaker features a bolt-on connection style, weighs 3 lb, and is built on a 225A frame for robust physical construction. It complies with industry standards for molded case breakers, offering an interrupting capacity of 22kA at 240V. Typical applications include three-phase branch circuit protection in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Manufacturer: Cutler Hammer
  • Series: CAH
  • Family: AB DE-ION
  • Type: CAH
  • Amperage: 125A
  • Voltage: 240V
  • Poles: 3
  • Phase: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22kA @ 240V
  • Trip Unit: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame: 225A
  • Weight: 3 lb


Part Number: CAH3125Y