The Schneider Electric Square D 8539SJW42V03 is a motor starter designed for reliable control of three-phase induction motors. This unit is part of the established Square D 8539 series, known for its robust construction and dependable performance in demanding industrial environments. It integrates essential motor protection and control functions into a single, compact assembly.

Technical details

• Series: Square D 8539
• Type: Combination Motor Starter
• Enclosure Type: NEMA 1 (Indoor General Purpose)
• Voltage Rating: 600V AC Maximum
• Horsepower Rating: 25 HP at 460/575V, 15 HP at 230V
• Amperage Rating: 50A Frame
• Overload Relay Type: Adjustable Thermal Overload
• Control Circuit: 120V AC Coil Voltage

Applications & compatibility

This motor starter is suitable for a wide range of industrial applications requiring direct-on-line motor starting and protection. Common uses include controlling motors in conveyor systems, pumps, fans, machine tools, and other general industrial machinery where a NEMA 1 enclosure is appropriate. It is designed to integrate seamlessly into standard motor 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 8539SJW42V03 or contact our technical team for cross-reference assistance with compatible Square D components.