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Siemens HJXD63M300L - Molded Case Circuit Breaker 300A 600V 3-Pole

Siemens
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Siemens HJXD63M300L Circuit Breaker is a 3-pole molded case circuit breaker from the Sentron Series designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 300A continuous current, and delivers a 65kA interrupting capacity at 480V AC to handle high fault currents. The unit weighs 22 lb and features a JD Frame with a feed-thru connection, thermal magnetic protection, and LI (Long-Time and Instantaneous) trip functions for precise current management. This breaker complies with industry standards for molded case circuit breakers and is suited for three-phase commercial and industrial applications requiring reliable circuit isolation and protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Sentron Series, HJXD
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: JD Frame
  • Standards: Industry standard molded case circuit breaker compliance
  • Applications: Industrial power distribution, three-phase systems
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Based on JD Frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JD Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 300A
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 300A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 300A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Industry standard
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: Industry standard
  • Compatible Frames: JD Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: JD Frame
  • Current Rating: 300A
  • 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: Standard industrial
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not specified
  • GTIN: Not specified