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Siemens F3B040 - Molded Case Breaker 40A 600V 3-Pole

Siemens
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Siemens F3B040 is a 3-pole molded case circuit breaker from the F Frame family, designed to provide thermal-magnetic protection for electrical distribution systems. It is rated for 40A at 600V AC, with LI (Long-Time and Instantaneous) trip functions to safeguard against overloads and short circuits. Weighing 5 lb, this Type F breaker features a compact construction suitable for panelboard mounting. It meets industry standards for reliable performance in commercial and industrial environments. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: F Frame
  • Type: F
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Phase: 3
  • Current Rating: 40A
  • Amperage: 40 Amp
  • Frame Type: VL
  • Mounting Type: Panelboard
  • Trip Unit: Thermal-Magnetic