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Cutler Hammer EA3040 - 3-Pole 40A Molded Case Circuit Breaker

Cutler Hammer
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Cutler Hammer EA3040 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed within a durable, compact 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. Its 7kA interrupting capacity at 240V makes it suitable for protecting feeders, motors, and branch circuits in commercial and industrial panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Phase: 3
  • Poles: 3
  • AIC Rating: 7kA @ 240V
  • Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal Magnetic
  • Connection: Bolt-On
  • Family: EA Series
  • Weight: 7 lb


Product Identification
  • Manufacturer Part Number: EA3040