Westinghouse KD3400F Circuit Breaker

Description:

The Westinghouse KD3400F Circuit Breaker is used in industrial and commercial electrical distribution systems to provide overcurrent and short-circuit protection for high-capacity three-phase power circuits and electrical equipment. Commonly installed in switchgear assemblies, motor control centers, industrial machinery, and commercial electrical panels where dependable circuit interruption and thermal magnetic protection are required. Maintenance teams, electricians, and facility operators use this breaker for replacement of aging protection devices, electrical system upgrades, and preventative maintenance of power distribution infrastructure.

Applications:

The Westinghouse KD3400F circuit breaker is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable 400 amp three-phase circuit protection and dependable fault interruption are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: KD3400F
• Product Type: Molded Case Circuit Breaker
• Breaker Series: KD / K-Frame
• Number of Poles: 3 Pole
• Current Rating: 400 Amp
• Voltage Rating: 600 Volt AC
• Phase Type: 3 Phase
• Trip Type: Thermal Magnetic
• Mounting Type: Fixed Mount
• Interrupt Rating: 25 kA @ 600VAC
• 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: Branch circuit and equipment protection applications
• Construction: Molded case circuit breaker

Common Replacements:

• Eaton KD3400F
• Cutler-Hammer KD3400F
• Square D KA36400