The Schneider Electric Square D 8539SDW41V03 is a combination motor starter designed for robust motor control in demanding industrial environments. This unit integrates a circuit breaker and a magnetic motor starter into a single enclosure, providing both short-circuit protection and motor starting capabilities. It is engineered to operate reliably within a 600VAC voltage class.

Technical details

• Series: Square D 8539
• Voltage Class: 600VAC
• Maximum Continuous Amperage: 45A
• Horsepower Rating (3 Phase): 20HP at 230V, 40HP at 460V, 50HP at 575V
• Enclosure Type: NEMA 1 (Indoor General Purpose)
• Control Voltage: 120VAC
• Includes: Thermal overload relay and magnetic contactor
• Protection Type: Combination (Circuit Breaker and Starter)

Applications & compatibility

This combination starter is commonly employed in applications requiring reliable motor control and integrated short-circuit protection, such as on packaging machinery, conveyor systems, and pump controls. Its NEMA 1 enclosure makes it suitable for general-purpose indoor industrial settings.

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 8539SDW41V03 or contact our technical team for cross-reference assistance with compatible Square D components.