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EH3A040

Siemens
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Siemens EH3A040 is a 3-pole molded case circuit breaker designed for instantaneous magnetic-only protection in three-phase electrical systems. It is rated for 40 amps at 480 volts AC with an interrupting capacity of 14kA at 480V, utilizing a bolt-on connection for secure installation. The breaker weighs 8 lb and features a compact molded case construction suited for industrial environments. It complies with industry standards for overcurrent protection in commercial and industrial applications. Typical applications include motor control centers and distribution panels requiring reliable short-circuit protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: EH Series
  • Type: EH
  • Weight: 8 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 14kA@480V
  • Phase: 3
  • Current Rating: 40A
  • Amperage: 40 Amps
  • Mounting Type: Bolt-On
  • Breaker Type: Molded Case Circuit Breaker
  • Trip Unit: Thermal Magnetic


Siemens EH3A040 - 40A 3-Pole Molded Case Circuit Breaker