The Schneider Electric Square D 8539SDT42V03 is a combination motor starter designed for robust motor control and protection in industrial environments. This unit integrates overload and short-circuit protection into a single, compact assembly, streamlining installation and panel space. It is engineered to provide reliable operation for a wide range of motor-driven machinery.

Technical details

• Series: Square D 8539
• Type: Combination Motor Starter
• Protection Features: Integrates both motor overload and short-circuit protection.
• Control Voltage: The 'V' in the part number typically indicates control voltage; confirm specific voltage rating (e.g., 24V, 120V, 240V) against manufacturer documentation.
• Enclosure Type: The '03' at the end of the part number often denotes an open-style or specific NEMA enclosure rating; verify exact enclosure details with the manufacturer's datasheet.
• Motor FLA Range: The specific overload relay settings are determined by the internal components and require verification against the datasheet for the exact Full Load Amps (FLA) range supported.
• Contact Rating: Standard industrial AC contactor ratings apply; consult the datasheet for precise horsepower and amperage ratings at specified voltages.
• Mounting: Designed for standard industrial panel mounting.

Applications & compatibility

This Schneider Electric Square D combination starter is suitable for direct-on-line (DOL) motor starting applications where integrated protection is required. It is commonly found in control panels for manufacturing equipment, material handling systems, pumps, fans, and other machinery requiring reliable motor management and safety interlocks.

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 8539SDT42V03 or contact our technical team for cross-reference assistance with compatible Square D components.