LD3300 - Westinghouse 3 Pole 600V 300A LD Series Molded Case Circuit Breaker, 35kA Interrupt, Thermal Magnetic Trip, Bolt-On Mounting

LD3300

LD3300 is a Westinghouse 3-pole molded case circuit breaker designed for reliable circuit protection in commercial and industrial applications.

This LD Series breaker features a 300A continuous current rating, 600V AC voltage rating, and a 35kA interrupting capacity at 480V. It utilizes a thermal magnetic trip unit for precise overcurrent protection and is configured for bolt-on mounting. The LD3300 is engineered for durability and compliance with industry standards, making it a trusted choice for power distribution systems.

Key Specifications
• Part Number: LD3300
• Manufacturer: Westinghouse
• Amperage: 300A
• Voltage: 600V AC
• Poles: 3
• Mounting Type: Bolt-on
• Interrupt Rating: 35kA @ 480V
• Series/Frame: LD
• Trip Unit: Thermal Magnetic
• Connection: Feed-Thru
• Certifications: UL Listed (typical for this series; confirm for exact unit)
• Continuous Rating: 300A at 40°C

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Specifications

• Part Number: LD3300
• Manufacturer : Westinghouse
• Brand : Eaton
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : Series C
• Type : LD
• Voltage : 600
• Amperage : 300
• Phase : 3
• Poles : 3
• AIC rating : 35kA@480V
• Connection : Feed-Thru
• Functions : Long Time and Instantaneous Trip
• Frame Size : L Frame
• Temp Rating : -13–158 °F (-25–70 °C)
• Protection : Thermal Magnetic

Product Data

• UPC : 786679026489
• GTIN : 00786679026489
• Country of Origin : United States
• Dimensions : 8 in x 10 in x 10 in (Length/Depth x Height x Width)
• Weight : 21
• Certification : UL 489