The Schneider Electric Square D 8539SBW43S8V02S is a NEMA-rated combination motor starter designed for robust control of three-phase AC motors. This unit integrates a motor starter and a circuit breaker or fuse holder into a single enclosure, providing both motor control and circuit protection. It is engineered for applications requiring reliable and safe motor operation within industrial environments.

Technical details

• Series: Square D 8539 Combination Starter
• Enclosure Type: NEMA Rated
• Voltage Rating: 600 VAC
• Amperage Rating: 18 A
• Motor Horsepower Rating (at 460/575V): 10 HP
• Control Voltage: 120 VAC (coil voltage, typically derived from line voltage via transformer)
• Number of Poles: 3
• Mounting Type: Surface Mount

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of three-phase motors in various industrial settings. Common applications include pump controls, fan systems, conveyor belts, and general machinery where integrated motor control and short-circuit protection are required. It is designed to integrate seamlessly into standard industrial electrical control panels.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D 8539SBW43S8V02S or contact our technical team for cross-reference assistance with compatible Square D components.