Westinghouse KB3250F Shunt Trip Circuit Breaker

Description:

The Westinghouse KB3250F Circuit Breaker with 125 Trip and Shunt Trip accessory is used in industrial and commercial electrical distribution systems to provide overcurrent, short-circuit, and remote trip protection for high-capacity three-phase power circuits and electrical equipment. Commonly installed in switchgear assemblies, panelboards, motor control centers, and industrial electrical panels where dependable fixed mounting, remote shutdown capability, 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 KB3250F circuit breaker is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, emergency shutdown systems, power distribution systems, and motor control applications where reliable 125 amp three-phase circuit protection and remote breaker tripping capability are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: KB3250F
• Product Type: Circuit Breaker
• Breaker Series: KB
• Number of Poles: 3 Pole
• Frame Rating: 250 Amp
• Trip Rating: 125 Amp
• Voltage Rating: 600 Volt AC
• Phase Type: 3 Phase
• Trip Type: Thermal Magnetic
• Mounting Type: Fixed Mount
• Special Feature: Shunt Trip
• Application: Commercial and industrial electrical protection systems
• Function: Overcurrent, short-circuit, and remote trip 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 KB3250F
• Cutler-Hammer KB3250F
• Square D KA36125