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Siemens HHLXD63B350 - Molded Case Circuit Breaker 350A 600V

Siemens
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Siemens HHLXD63B350 is a 3-pole molded case circuit breaker from the Sentron Series, designed for LI (Long-Time and Instantaneous) thermal-magnetic protection in industrial power distribution systems. It is rated for 600V AC, 350A continuous current, and delivers a 100kA interrupting capacity at 480V AC, ensuring robust fault clearance in high-fault environments. The unit features a bolt-on connection, an LD frame size, and weighs 25 lb, with a compact construction that facilitates integration into standard panelboards. This breaker complies with UL and NEMA standards for industrial electrical safety and reliability. It is typically used in manufacturing plants, commercial buildings, and heavy machinery applications requiring dependable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Sentron Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: LD Frame Size
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, manufacturing, commercial buildings
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: LD Frame
  • Phase: 3-Phase
  • Voltage: 600V
  • Amperage: 350A
  • AIC rating: 100kA@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: Standard industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Standard
  • 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: 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: 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: Not included
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not included
  • Amperage Maximum: 350A
  • Amperage Minimum: Not applicable
  • Nema Rating: Standard
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL
  • 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: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: LD
  • 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: Standard
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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