Westinghouse FB3090L Feed-Thru Circuit Breaker

Description:

The Westinghouse FB3090L Feed-Thru Circuit Breaker 90A 600V 3P 3PH Type FB is a molded case circuit breaker used in industrial electrical distribution and feeder protection systems. Commonly installed in motor control centers, switchboards, industrial automation panels, and manufacturing equipment requiring high-capacity three-phase overcurrent protection and feed-thru power distribution. Maintenance teams, OEMs, and electrical integrators use this breaker for replacement, retrofit upgrades, and maintenance of existing industrial electrical infrastructure.

Applications:

The Westinghouse FB3090L feed-thru circuit breaker is commonly used in industrial and commercial electrical systems where dependable feeder circuit protection and power distribution are required for high-amperage three-phase equipment. It is suitable for motor control systems, conveyor equipment, HVAC infrastructure, automation machinery, industrial processing systems, and electrical distribution panels operating on 600-volt power networks.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FB3090L
• Product Type: Feed-Thru Molded Case Circuit Breaker
• Current Rating: 90 Amp
• Voltage Rating: 600 Volt
• Number of Poles: 3 Pole
• Phase Compatibility: 3 Phase
• Breaker Series: FB Frame
• Configuration: Feed-Thru
• Protection Type: Thermal Magnetic
• Application: Feeder and branch circuit 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 FB3090L
• Siemens HFB3090
• Square D FA3490