Westinghouse FB3045MRL Molded Case Circuit Breaker

Description:

The Westinghouse FB3045MRL Circuit Breaker 5A 3 Pole 600VAC 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 low-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 FB3045MRL circuit breaker is commonly used in industrial and commercial electrical systems where dependable branch circuit protection is required for sensitive three-phase control circuits and connected equipment. It is suitable for automation systems, motor control panels, conveyor controls, industrial processing machinery, HVAC infrastructure, and electrical distribution systems operating on 600VAC power networks.

Technical Specifications:

• Brand: Westinghouse
• Part Number: FB3045MRL
• Product Type: Molded Case Circuit Breaker
• Current Rating: 5 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
• Typical Installation: MCCs, switchgear, industrial control panels

Common Replacements:

• Eaton FB3005
• Siemens HFB3005
• Square D FA34005