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Siemens HJXD63B350L - Molded Case Circuit Breaker 350A 600V

Siemens
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Siemens HJXD63B350L Circuit Breaker is a 3-pole molded case circuit breaker from the Sentron Series designed for thermal magnetic protection in industrial power distribution systems. It is rated for 600V AC, 350A continuous current, and provides LI (Long-Time and Instantaneous) protection functions with a 65kA interrupting capacity at 480V. The unit features a JD frame size with feed-thru connection, weighs 14.021 lb, and is constructed for panelboard or switchboard installation. This breaker complies with applicable UL and NEMA standards for overcurrent protection. It is suited for protecting feeders, motors, and branch circuits in commercial and industrial electrical systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, 3-Pole
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: JD Frame Size
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, feeder protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Phase, 3-Wire
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard
  • Shipping Dimensions: Standard for JD frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 350A
  • 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: Panelboard/Switchboard
  • 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 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: Panel/Switchboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 350A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 350A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 350A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489
  • Compatible Frames: JD Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: JD
  • Current Rating: 350A
  • 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: 783643084681
  • GTIN: 00783643084681