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Siemens HEG3B040B - Molded Case Breaker 40A 600V (3-Pole)

Siemens
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Siemens HEG3B040B is a 3-pole molded case circuit breaker from the VL Series, designed for thermal magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 40 amps at 600V AC, with an interrupting capacity of 65kA at 480V AC, and supports 3-phase systems. The unit weighs 3 lb, features a bolt-on connection for panelboard mounting, and utilizes a VL frame type. It is UL489 certified, ensuring compliance with industry safety standards for reliable circuit protection in industrial and commercial applications.

Key Features & Specifications
  • Type: HEG
  • Item Subcategory: Molded Case
  • Family: VL Series
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Current Rating: 40 Amps
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Connection: Bolt-On
  • Mounting Type: Panelboard
  • Interrupt Rating: 35kA @ 480V AC
  • AIC Rating: 65kA@480V
  • Frame Type: VL
  • Certification: UL489
  • Weight: 3 lb