The Schneider Electric Square D 8539SDA42S8V03 is a combination motor starter designed for robust motor control and protection in demanding industrial environments. This unit integrates overload and short-circuit protection, offering a consolidated solution for safeguarding motor assets and ensuring operational continuity. It is a key component in systems requiring reliable motor management.

Technical details

• Series: Square D 8539
• Type: Combination Motor Starter
• Integrated Protection: Motor overload and short-circuit protection
• Control Voltage: 120V AC (indicated by 'V03' in part number, common convention for 120V coil)
• Enclosure Type: NEMA 1 (indicated by 'S' in part number, common convention for NEMA 1)
• Starter Size: Size 2 (indicated by '2' in part number, common convention for Size 2)
• Contact Configuration: 3-pole
• Auxiliary Contacts: 1 Normally Open (NO) / 1 Normally Closed (NC) (indicated by 'A4' in part number, common convention for 1NO/1NC auxiliary contacts)

Applications & compatibility

This motor starter is commonly employed in applications such as conveyor systems, pump controls, fan units, and general machinery where reliable motor starting and protection are critical. Its NEMA 1 enclosure makes it suitable for indoor, non-hazardous environments. The 8539 series is designed for integration into standard industrial control panels.

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 8539SDA42S8V03 or contact our technical team for cross-reference assistance with compatible Square D components.