The Schneider Electric Square D 8539SBA52V03 is a combination motor starter designed for reliable AC squirrel cage motor control. This unit is engineered to provide robust protection and operational efficiency in demanding industrial, commercial, and construction environments. Its design facilitates safe and consistent motor operation, making it a critical component in various automated systems.

Technical details

• Series: Square D 8539 Combination Motor Starter
• Enclosure Type: NEMA 1 (Indoor, General Purpose)
• Motor Starter Type: Combination Starter (includes disconnect and starter)
• Amperage Rating: 18 A (for motor control circuit)
• Control Voltage: 120V AC (coil voltage)
• Horsepower Rating: Typically supports up to 5 HP at 230V or 10 HP at 460V (verify with manufacturer datasheet for exact rating based on application)
• Overload Relay Type: Bimetallic, adjustable
• Disconnect Type: Fusible (requires separate fuse installation, not included)

Applications & compatibility

This Schneider Electric Square D motor starter is commonly deployed in applications requiring direct-on-line (DOL) starting and protection for AC motors. It is suitable for use in machine tools, material handling systems, pumps, fans, and other equipment found in manufacturing plants, processing facilities, and building automation systems.

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 8539SBA52V03 or contact our technical team for cross-reference assistance with compatible motor control components.