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Eaton FDB4045 - 45A 4-Pole Molded Case Circuit Breaker

Cutler Hammer
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The Eaton FDB4045 is a 4-pole molded case circuit breaker from the Series C family, designed to provide long-time and instantaneous (LI) protection for electrical systems. It is rated for 45A at 600V with a 14kA interrupting capacity at 600V, utilizing thermal magnetic protection in a 3-phase configuration. This F Frame breaker features a bolt-on connection, weighs 7 lb, and is constructed for robust industrial applications. It complies with relevant industry standards for overcurrent protection in commercial and industrial environments. Typical applications include protecting branch circuits, feeders, and equipment in manufacturing facilities and power distribution panels.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 600V
  • Current Rating: 45A
  • Dimensions: F Frame
  • Standards: Industry standard for molded case breakers
  • Applications: Industrial power distribution, branch circuit protection
  • Switch Type: Circuit breaker
  • Configuration: 4-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard
  • Shipping Dimensions: Standard F Frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 45A
  • AIC rating: 14kA@600V
  • Connection: Bolt-On
  • Poles: 4
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Standard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard
  • Panel Style: Standard
  • Bus Type: Standard
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Bolt-On
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 45A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 45A
  • Full Load Amp Minimum: 45A
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 45A
  • Amperage Minimum: 45A
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489
  • Compatible Frames: F Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: F Frame
  • Current Rating: 45A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not provided
  • GTIN: Not provided