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Cutler Hammer E3040 - 40A 3-Pole Thermal Magnetic Breaker

Cutler Hammer
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Cutler Hammer E3040 is a 3-pole molded case circuit breaker from the E Series, designed to provide thermal magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 40A at 240VAC, with an interrupting capacity of 7kA at 240VAC, and supports 3-phase applications. The unit weighs 7 lb and features a bolt-on connection for secure mounting in panelboards. It complies with UL standards for 50/60 Hz applications. This breaker is suitable for industrial and commercial power distribution systems requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: E
  • Amperage: 40 A
  • Voltage: 240 Vac, 125 Vdc
  • Poles: 3
  • Frame Type: F-frame (Series C ED)
  • Trip Unit: Fixed thermal magnetic
  • Interrupt Rating: 65 kAIC at 240 Vac
  • Mounting Type: Bolt-on
  • Terminals: Load side lug
  • Frequency: 50/60 Hz
  • Certifications: UL Listed
  • Weight: 7 lb
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous