HMA3450T - Westinghouse 450A 3-Pole 600V Thermal Magnetic Circuit Breaker

HMA3450T

HMA3450T is a heavy-duty 450-amp, 3-pole molded case circuit breaker rated for 600 volts AC, designed for industrial and commercial electrical systems requiring reliable overcurrent protection.

This thermal magnetic circuit breaker features an interchangeable trip unit for flexible customization and precise tripping protection against both overloads and short circuits. The HMA3450T delivers consistent safety performance in high-demand applications with an A.I.C. rating of 25kA at 600VAC, 35kA at 480VAC, and 65kA at 240VAC. Built with load-side terminals included and rated for 40 degrees Celsius ambient conditions, this breaker maintains electrical system integrity across demanding industrial environments.

• Amperage: 450A
• Poles: 3
• Voltage: 600VAC
• Frame Type: HMA
• A.I.C. Rating: 25kA @ 600VAC; 35kA @ 480VAC; 65kA @ 240VAC
• Trip Unit: Thermal Magnetic with Interchangeable Design
• Dimensions: 8.25 inches W x 16.00 inches L x 4.00 inches D
• Load-Side Terminals: Included
• Ambient Rating: 40 degrees Celsius

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Specifications

• Part Number: HMA3450T
• Manufacturer : Westinghouse
• Brand : Westinghouse
• Category : Circuit Breaker
• Item Subcategory : Trip Units & Programmers
• Family : MARK 75
• Type : HMA
• Voltage : 600
• Poles : 3
• Functions : LI - Long-Time and Instantaneous
• Amperage Maximum : 450
• Amperage Minimum : 450
• Protection : Thermal Magnetic
• Compatible Frames : MA,HMA

Product Data

• Weight : 4