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Square D FCB34040 - Molded Case Circuit Breaker 40A 3 Pole 480V

Square D
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Square D FCB34040 is a 40 Amp, 3 Pole Molded Case Circuit Breaker from Schneider Electric designed for overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 480V and features a thermal-magnetic trip unit for reliable protection against overloads and short circuits. This circuit breaker weighs 6 lb and supports I-Line mounting, making it suitable for panelboard and switchboard installations. It is UL Listed and CSA Certified, ensuring compliance with North American safety and performance standards. Typical applications include branch circuit protection in manufacturing facilities, commercial buildings, and heavy machinery.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Weight: 6 lb
  • Voltage Rating: 480V
  • Poles: 3
  • Current Rating: 40A
  • Amperage: 40 A
  • Voltage: 480 V
  • Mounting Type: I-Line
  • Interrupt Rating: 18 kA at 480 VAC
  • Frame/Series: 100 Amp Frame
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed, CSA Certified