Westinghouse FDB3030L Molded Case Circuit Breaker

Description:

The Westinghouse FDB3030L Circuit Breaker 30A 3P 600V with A1X1PK Auxiliary Switch is a molded case circuit breaker used in industrial electrical distribution and control monitoring systems. Commonly installed in motor control centers, switchboards, industrial automation panels, and manufacturing equipment requiring dependable three-phase overcurrent protection with auxiliary switching capability. Maintenance teams, OEMs, and electrical integrators use this breaker for replacement, retrofit upgrades, status monitoring, and maintenance of existing industrial electrical infrastructure.

Applications:

The Westinghouse FDB3030L circuit breaker with A1X1PK auxiliary switch is commonly used in industrial and commercial electrical systems where branch circuit protection and remote status indication are required for connected 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 with integrated control and monitoring functions.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FDB3030L
• Product Type: Molded Case Circuit Breaker with Auxiliary Switch
• Current Rating: 30 Amp
• Voltage Rating: 600 Volt
• Number of Poles: 3 Pole
• Breaker Series: FDB Frame
• Phase Compatibility: 3 Phase
• Auxiliary Accessory: A1X1PK Auxiliary Switch
• Auxiliary Switch Function: Remote status indication and signaling
• Protection Type: Thermal Magnetic
• Configuration: L Configuration
• Application: Branch circuit and equipment protection
• Mounting Style: Panel or switchboard mounted
• Function: Overcurrent, short-circuit protection, and breaker status monitoring
• Industrial Use: Power distribution and motor control systems
• Frequency Rating: 50/60 Hz
• Typical Installation: MCCs, switchgear, industrial control panels

Common Replacements:

• Eaton FDB3030L
• Siemens HFD3030
• Square D FA3430