Westinghouse Electric HLA3400F Trip Circuit Breaker

The Westinghouse HLA3400F 3-pole, 300 Amp thermal-magnetic trip circuit breaker is rated for 600 VAC and designed for industrial electrical distribution systems to provide overcurrent and short-circuit protection for high-capacity three-phase circuits and equipment. Designed for fixed mounting in switchgear, motor control centers, and commercial electrical panels, it delivers dependable protection for power distribution and motor circuits. The HLA3400F (alternate series reference HLA3300) is commonly used for replacement, upgrades, and preventative maintenance of manufacturing facilities, industrial automation, utility distribution equipment, and other heavy-duty motor control applications. Common replacements include Eaton HLA3400F, Cutler-Hammer HLA3400F, and Westinghouse HLD3400F.