Westinghouse MA3800F Molded Case Circuit Breaker

Description:

The Westinghouse MA3800F Circuit Breaker is a high-capacity molded case circuit breaker designed for industrial and commercial electrical distribution systems requiring dependable overcurrent and short-circuit protection. Commonly installed in switchgear assemblies, motor control centers, industrial machinery, and large power distribution systems where high-amperage three-phase circuit protection is required. This configuration includes a 700 amp trip installed in an 800 amp frame for selective protection applications.

Applications:

The Westinghouse MA3800F circuit breaker is commonly used in manufacturing facilities, industrial automation systems, mining operations, HVAC infrastructure, and heavy-duty power distribution applications where reliable 700 amp three-phase circuit protection and dependable fault interruption are critical for continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: MA3800F
• Product Type: Molded Case Circuit Breaker
• Breaker Series: MA
• Number of Poles: 3 Pole
• Frame Rating: 800 Amp
• Trip Rating: 700 Amp
• Voltage Rating: 600 Volt AC
• Phase Type: 3 Phase
• Interrupt Rating: 30kA @ 480V AC
• Trip Type: Thermal Magnetic
• Trip Functions: Long-Time and Instantaneous
• Mounting Type: Bolt-On
• Compatible Trip Unit: HMA Trip Unit
• Application: Commercial and industrial electrical protection systems
• Function: Overcurrent and short-circuit protection
• Compatible Equipment: Switchgear and distribution systems
• Installation Type: Panel mounted
• Usage Environment: Commercial and industrial electrical systems
• Designed For: High-capacity branch circuit and equipment protection applications
• Construction: Molded case circuit breaker

Common Replacements:

• Eaton MA3800F
• Cutler-Hammer MA3800F
• Square D MA36700