Part of the robust Schneider Electric Square D 8539 series, this non-reversing combination motor starter is engineered for reliable motor control in demanding industrial environments. The 8539SDA51S8V07 integrates a circuit breaker or fuse protection with a magnetic motor starter, providing comprehensive protection and operational control for three-phase motors. This unit is designed for applications requiring a dependable and integrated motor starting solution.

Technical details

• Series: Square D 8539
• Type: Non-reversing Combination Motor Starter
• Enclosure Type: NEMA 1 (Indoor, General Purpose)
• Amperage Rating: 45 A
• Horsepower Rating: Up to 20 HP at 460/575V, 10 HP at 230V (verify motor nameplate for precise compatibility)
• Voltage Compatibility: Designed for 3-phase systems, typically 600V class (verify specific voltage requirements against manufacturer datasheet)
• Control Circuit Voltage: 120V AC
• Overload Relay Type: Adjustable Thermal Overload
• Included Components: Molded Case Circuit Breaker (MCCB) and Magnetic Motor Starter
• Mounting: Surface mount

Applications & compatibility

This Schneider Electric Square D combination starter is commonly deployed in manufacturing facilities, processing plants, and heavy industry for controlling motors in applications such as conveyor systems, pumps, fans, and machine tools. Its integrated design simplifies installation and wiring, making it suitable for new panel builds or as a replacement for existing starter configurations.

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 8539SDA51S8V07 or contact our technical team for cross-reference assistance with compatible Square D components.