The Schneider Electric Square D 8539SBR42V03 is a NEMA-rated motor starter designed for comprehensive motor control applications. This unit integrates both overload and short-circuit protection into a single, compact assembly, simplifying installation and panel space requirements. It is UL Listed, ensuring adherence to stringent safety standards for industrial environments.

Technical details

• Series: Square D 8539S (NEMA Size 1)
• Type: Combination Motor Starter
• Protection: Integrates thermal overload relay and magnetic short-circuit protection
• Enclosure Type: NEMA 1 (General Purpose)
• Control Voltage: 24V AC (indicated by '2' in the part number)
• Coil Voltage: 24V AC
• Contact Rating: Suitable for use with motors up to 2 HP at 230V or 3 HP at 460V (typical for NEMA Size 1 starters, verify with datasheet for exact motor FLA range)
• Mounting: Surface mount

Applications & compatibility

This motor starter is commonly employed in applications requiring robust motor protection and control, such as on packaging machinery, conveyor systems, HVAC equipment, and general industrial machine tools. Its NEMA 1 enclosure makes it suitable for clean, dry indoor environments. It is designed to work with standard AC induction motors.

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 8539SBR42V03 or contact our technical team for cross-reference assistance with compatible Square D components.