Part of the Schneider Electric Square D 8539 series, this combination magnetic starter is engineered for reliable control of AC squirrel cage motors in demanding industrial and commercial environments. The 8539SCW43S8V03 integrates a magnetic contactor and overload relay into a single, compact unit, simplifying installation and wiring for motor control circuits.

Technical details

• Series: Square D 8539
• Type: Combination Magnetic Starter
• Motor Control Type: AC Squirrel Cage Motors
• Amperage Rating: 18 A
• Enclosure Type: NEMA 1 (based on common configurations for this part number series, verify with manufacturer datasheet for exact enclosure details)
• Control Voltage: 120 VAC (typical for this series, verify with manufacturer datasheet)
• Number of Poles: 3 (typical for this series, verify with manufacturer datasheet)
• Overload Relay Type: Thermal (typical for this series, verify with manufacturer datasheet)

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) motor starting applications across various industries. It is commonly found in control panels for machinery such as pumps, fans, conveyors, and small machine tools where reliable motor protection and control are essential.

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 8539SCW43S8V03 or contact our technical team for cross-reference assistance with compatible Square D components.