The Schneider Electric Square D 8539SDR43V03 is a combination magnetic starter designed for robust motor control applications. This unit integrates a Mag-Gard Electronic Motor Circuit Protector, providing essential overcurrent and fault protection for motor systems. It is engineered for reliable operation in demanding industrial environments.

Technical Details

• Series: Square D 8539 SDR
• Type: Combination Magnetic Starter
• Motor Circuit Protector: Mag-Gard Electronic
• Amperage Rating: 18 A
• Coil Voltage: 220 VAC at 50 Hz / 240 VAC at 60 Hz
• Enclosure Type: NEMA 1 (based on common configurations for this series, verify with datasheet)
• Control Method: Magnetic
• Protection Features: Overload, Short Circuit, Ground Fault (verify specific trip curves with datasheet)

Applications & Compatibility

This combination starter is suitable for direct-on-line (DOL) motor starting applications across various industrial sectors. It is commonly found in control panels for machinery such as pumps, fans, conveyors, and processing equipment where reliable motor protection and control are critical.

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 8539SDR43V03 or contact our technical team for cross-reference assistance with compatible Square D components.