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Westinghouse LBB3350S - Molded Case 350A 600V 3-Pole

Westinghouse
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Westinghouse LBB3350S is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 350A continuous current, and provides a 30kA interrupting capacity at 480V AC. This bolt-on unit weighs 20 lb and features thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions for coordinated fault clearing. The breaker complies with applicable industry standards for molded case circuit breakers. It is typically applied in switchboards, panelboards, and industrial control panels requiring reliable 3-phase protection.

Key Features & Specifications
  • Type: Molded Case, AB DE-ION family, thermal magnetic operation
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: Standard molded case breaker form factor
  • Standards: Complies with applicable industry standards
  • Applications: Industrial power distribution, switchboards, panelboards
  • Switch Type: Circuit breaker
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard packaging
  • Phase: 3
  • Voltage: 600V
  • Amperage: 350A
  • AIC rating: 30kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: LBB
  • 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: Standard industrial
  • Panel Style: Standard
  • Bus Type: Standard
  • 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 specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • 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 applicable
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 350A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Circuit breaker
  • Wire Size: Not specified
  • Certification: Complies with industry standards
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: Applicable industry standards
  • Compatible Frames: LBB
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: LBB
  • 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 industrial
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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