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Cutler Hammer EH3040 - Molded Case Circuit Breaker 40A 480V 3P

Cutler Hammer
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Cutler Hammer EH3040 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power systems. It features a 40A current rating and a 480V AC voltage rating, utilizing a thermal-magnetic trip unit for combined long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with a 14kA interrupting capacity at 480V, housed in a durable molded case. It is engineered to meet relevant industry standards for circuit protection devices. Typical applications include protecting feeders, motors, and branch circuits within industrial control panels and distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Connection: Bolt-On
  • Protection Functions: Long-Time and Instantaneous (LI)
  • AIC Rating: 14kA @ 480V
  • Phase: 3
  • Family: EH Series
  • Weight: 7 lb