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Cutler Hammer EC3040 - Molded Case Circuit Breaker 40A 3P

Cutler Hammer
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Cutler Hammer EC3040 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 with an interrupting capacity of 10kA at 240V. Its typical applications include protecting feeders, motors, and other critical equipment in commercial and industrial panelboards.

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: 10kA @ 240V
  • Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Family: EC Series
  • Weight: 7 lb


Product Identification
  • Manufacturer Part Number: EC3040