Eaton / Westinghouse HLA3150 – 150A 3 Pole Molded Case Circuit Breaker Instant Buy

Built for demanding industrial environments, this 3-pole, 150A MCCB protects 600VAC systems. The legacy Mark 75 L-frame device defends against severe overloads and faults. Maintaining the original footprint, it mounts into older Westinghouse panelboards and Eaton Pow-R-Line C enclosures. It is the recommended substitute for the HLD3150. Utilizing an interchangeable thermal-magnetic trip unit, it offers adjustable magnetic responses and a 35kAIC rating at 480V.