Westinghouse FDB3040L Molded Case Circuit Breaker

Description:

The Westinghouse FDB3040L 40A 600VAC 3P Industrial 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 medium-amperage 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 FDB3040L industrial circuit breaker is commonly used in industrial and commercial electrical systems where reliable branch circuit protection is required for medium-amperage three-phase equipment and connected power systems. It is suitable for motor control systems, conveyor equipment, HVAC infrastructure, automation machinery, industrial processing systems, and electrical distribution panels operating on 600VAC power networks.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FDB3040L
• Product Type: Molded Case Circuit Breaker
• Current Rating: 40 Amp
• Voltage Rating: 600VAC
• Number of Poles: 3 Pole
• Phase Compatibility: 3 Phase
• Breaker Series: FDB Frame
• Configuration: L Configuration
• 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 FDB3040L
• Siemens HFD3040
• Square D FA3440