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Siemens HLXD63B350 - Molded Case Circuit Breaker 350A 600V (LD Frame)

Siemens
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Siemens HLXD63B350 Circuit Breaker is a 3-pole molded case circuit breaker from the Sentron Series, designed for LI (Long-Time and Instantaneous) protection in industrial power distribution systems. It is rated for 600V AC, 350A continuous current, and 3-phase operation, with an AIC rating of 65kA at 480V AC. The unit features a bolt-on connection, thermal magnetic protection, and an LD frame size, weighing 19.046 lb. It complies with applicable UL and NEMA standards for industrial circuit protection. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Functions
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: LD Frame Size
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, main/feeder protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 350A
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: LD 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: Not specified
  • 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 included
  • CPT: Not included
  • Full Load Amps: 350A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 350A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not included
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 350A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL, NEMA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, NEMA
  • Compatible Frames: LD Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: LD Frame
  • Current Rating: 350A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 783643972360
  • GTIN: 00783643972360