Westinghouse FDB-3150 Circuit Breaker, 150A, 3-Pole, 600V

The Westinghouse FDB-3150 circuit breaker is built for demanding industrial environments, delivering dependable protection for essential power circuits. With a robust 150 A rating, 3 poles, and a 600 V capacity, this breaker is designed to guard large feeders, motor circuits, and service entries in manufacturing facilities, processing plants, and other heavy-duty applications.

Key specifications at a glance

• Amperage: 150 A
• Poles: 3
• Voltage: 600 V
• Manufacturer: Westinghouse
• Part Number: FDB-3150
• Intended use: industrial electrical service, maintenance, and replacement projects
• Fit verification: Verify fit by part number and application requirements

Why this breaker stands out in industrial settings

• Designed for high-demand power distribution, providing reliable interruption and protection for large loads.
• Part of Westinghouse’s trusted line, offering consistent performance and support in retrofit and new-install scenarios.
• Standardized part number (FDB-3150) simplifies sourcing, ordering, and inventory management for maintenance teams and facilities engineers.
• Clear compatibility reference: use the part number to confirm panel, bus configuration, and application fit before installation.

Ideal use scenarios

• Main feeding and protection in industrial panels and electrical rooms.
• Replacement for aging or damaged breakers in service entrances and distribution equipment.
• Protection for large machinery circuits, conveyors, pumps, and other high-current loads in manufacturing and processing facilities.

How to ensure you’re choosing the right breaker

To confirm compatibility, verify the part number FDB-3150 against your panel catalog and the specific application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.

Practical installation and maintenance tips

• Check the installation environment for cleanliness and dryness to protect contacts and terminals.
• Ensure the breaker is wired to the correct phase configuration and that all connections are secure before energizing the system.
• Follow the manufacturer’s guidelines for torque on terminal screws and mounting to avoid loose connections or arcing.
• Keep a spare FDB-3150 on hand in a controlled storage area for rapid replacement during maintenance or after an outage.

With the Westinghouse FDB-3150 on your protection roster, you gain a reliable, scalable solution for safeguarding heavy electrical loads, simplifying maintenance planning, and ensuring quick responses to routine service needs. If you’re evaluating fit for a specific panel or system, our team can help confirm compatibility and guide you to a precise, durable replacement.