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Eaton HLDB3450Y - Molded Case 450A 600V 3-Pole Breaker

Cutler Hammer
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The Eaton HLDB3450Y is a three-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial power distribution systems. It carries a continuous current rating of 450A at a maximum voltage of 600V AC, with an interrupting capacity of 65kA at 480V AC for three-phase applications. This L Frame breaker features a bolt-on connection and utilizes thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions, weighing 25 lb. It is constructed to meet industry standards for reliable performance in demanding environments. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Series C, L Frame
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Dimensions: L Frame size
  • Standards: UL, CSA, NEMA
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Standard
  • Shipping Dimensions: L Frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 450A
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L 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 applicable
  • Metal Type: Not applicable
  • Panel Style: Standard
  • Bus Type: Not applicable
  • 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
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 450A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 450A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 450A
  • Amperage Minimum: Not applicable
  • Nema Rating: Standard
  • Switch Style: Not applicable
  • Wire Size: Not applicable
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: L Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: L Frame
  • Current Rating: 450A
  • 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 applicable
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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