Westinghouse FB3020L Molded Case Circuit Breaker

Description:

The Westinghouse FB3020L Style 4975D71G35 600VAC 3 Pole 20A Circuit Breaker is a molded case circuit breaker used in industrial electrical distribution and branch circuit protection systems. Commonly installed in motor control centers, switchboards, industrial automation panels, and manufacturing equipment requiring dependable three-phase overcurrent protection. Maintenance teams, OEMs, and electrical integrators use this breaker for replacement, retrofit upgrades, and maintenance of existing industrial electrical infrastructure.

Applications:

The Westinghouse FB3020L circuit breaker is commonly used in industrial and commercial electrical systems where reliable branch circuit protection is required for low-amperage three-phase equipment. It is suitable for motor control systems, HVAC equipment, conveyor controls, automation machinery, processing equipment, and industrial power distribution systems operating on 600VAC electrical networks.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FB3020L
• Style Number: 4975D71G35
• Product Type: Molded Case Circuit Breaker
• Current Rating: 20 Amp
• Voltage Rating: 600 VAC
• Number of Poles: 3 Pole
• Phase Compatibility: 3 Phase
• Breaker Series: FB Frame
• Protection Type: Thermal Magnetic
• Application: Branch circuit and equipment protection
• Mounting Style: Panel or switchboard mounted
• Function: Overcurrent and short-circuit protection
• Industrial Use: Power distribution and motor control systems
• Frequency Rating: 50/60 Hz
• Typical Installation: MCCs, switchgear, industrial control panels

Common Replacements:

• Eaton FB3020
• Siemens HFB3020
• Square D FA3420