Westinghouse 4975D71G5 Molded Case Circuit Breaker

Description:

The Westinghouse FB3020 Style 4975D71G5 20A 600VAC Circuit Breaker is a molded case circuit breaker used in industrial electrical distribution and branch circuit protection systems. Commonly installed in motor control centers, industrial switchboards, automation panels, and manufacturing equipment requiring reliable 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 FB3020 circuit breaker is commonly used in industrial and commercial electrical systems where dependable protection is required for three-phase circuits and connected equipment. It is suitable for motor control systems, HVAC equipment, conveyor controls, industrial processing machinery, automation panels, and electrical distribution systems operating on 600VAC power networks.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FB3020
• Style Number: 4975D71G5
• 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
• Condition Notes: Line phase barrier broken

Common Replacements:

• Eaton FB3020
• Siemens HFB3020
• Square D FA3420