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Siemens F3B040 - Molded Case 40A 3-Pole Thermal Magnetic

Siemens
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Siemens F3B040 Circuit Breaker - Molded Case 40A 3-Pole Thermal Magnetic The Siemens F3B040 is a 3-pole molded case circuit breaker from the F Frame family, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It is rated for 600V AC and 40A, with a thermal magnetic trip mechanism that safeguards against overloads and short circuits. This Type F breaker weighs 5 lb and features a compact, durable construction suitable for panelboard and switchboard installations. It complies with industry standards for overcurrent protection in three-phase power distribution applications. Typical uses include motor control centers, lighting panels, and feeder circuits in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: F Frame Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • Weight: 5 lb
  • Family: F Frame
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • UPC: Not available
  • GTIN: Not available