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Eaton HFD4050BP10 - Molded Case Circuit Breaker 50A 600V AC

Cutler Hammer
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Eaton HFD4050BP10 is a 4-pole molded case circuit breaker from the Series C family, designed for LI (Long-Time and Instantaneous) protection in industrial power distribution systems. It is rated for 50A continuous current at up to 600V AC, with a high interrupting capacity of 65kA at 480V, and features thermal-magnetic protection for reliable overcurrent and short-circuit response. The bolt-on connection and F Frame construction provide a compact, durable form factor weighing 7 lb, suitable for panelboard and switchboard installations. This breaker complies with applicable UL and NEMA standards for industrial environments. Typical applications include motor control centers, lighting panels, and feeder circuits in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI Protection
  • Voltage Rating: 600 ACV
  • Current Rating: 50A
  • Dimensions: F Frame (standard F frame dimensions)
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control centers, panelboards
  • Switch Type: Molded Case
  • Configuration: 3-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard F frame packaging
  • Phase: 3
  • Voltage: 600V AC
  • Amperage: 50A
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Poles: 4
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Panelboard/Switchboard
  • Breaker Type: HFD
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel/Plastic
  • Panel Style: Standard
  • Bus Type: Bolt-On
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • 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 included
  • CPT: Not included
  • Full Load Amps: 50A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 50A
  • Full Load Amp Minimum: 50A
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 50A
  • Amperage Minimum: 50A
  • Nema Rating: 1 (general purpose)
  • Switch Style: Molded Case
  • Wire Size: #14 to #2 AWG (typical)
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: F Frame
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: F Frame
  • Current Rating: 50A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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