The Schneider Electric Square D 8539SBW41S8V03 is a NEMA-rated combination starter designed for robust motor control applications. This unit integrates motor overload and short-circuit protection into a single, compact enclosure, providing essential safety and operational continuity for industrial machinery.

Technical details

• Series: Square D 8539
• Enclosure Type: NEMA 1
• Amperage Rating: 18 A
• Voltage Rating: 600 VAC maximum
• Control Circuit Voltage: 110-120 VAC
• Motor Horsepower Rating (at 460V): 10 HP
• Includes: Motor starter, overload relay, and circuit breaker
• Contact Configuration: 1 Normally Open (NO) auxiliary contact

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of three-phase induction motors in environments requiring NEMA 1 enclosure protection. It is commonly employed in machine tool applications, conveyor systems, and general industrial equipment where integrated motor protection is critical.

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 8539SBW41S8V03 or contact our technical team for cross-reference assistance with compatible Square D components.