The Schneider Electric Square D 8539SCA53S8V03 is a non-reversing combination magnetic starter designed for reliable motor control in demanding industrial environments. This starter integrates a magnetic contactor and an overload relay into a single unit, simplifying installation and wiring for applications such as HVAC systems, pump controls, and general machinery. Its robust construction ensures longevity and consistent performance.

Technical details

• Series: Square D 8539
• Type: Combination Magnetic Starter
• Action: Non-Reversing
• Enclosure Type: Open (Component) - requires separate enclosure for installation
• Overload Relay Type: Thermal-Magnetic
• Control Circuit Voltage: 24V AC (indicated by 'V03' in the part number)
• Frame Size: 1 (typically associated with smaller horsepower ratings in this series)
• Contact Rating: Consult manufacturer datasheet for specific amperage and horsepower ratings based on NEMA or IEC standards.

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of single or three-phase motors in commercial and industrial settings. It is commonly employed in building automation systems, pump stations, fan controls, and light manufacturing equipment where precise motor protection and control are essential. Verify compatibility with your specific motor and control system requirements.

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 8539SCA53S8V03 or contact our technical team for cross-reference assistance with compatible Square D components.