The Schneider Electric Square D 8539SFA43V08 is a NEMA-rated combination motor starter designed for integrated motor control and protection. This unit consolidates overload and short-circuit protection into a single, UL Listed assembly, commonly employed in heavy industrial applications requiring robust motor management. Its design prioritizes safety and operational reliability for motor circuits.

Technical details

• Series: Square D 8539 Combination Motor Starter
• Enclosure Type: NEMA 1 (based on typical 8539 series configurations, verify with manufacturer datasheet for specific enclosure details)
• Motor Control Voltage: 120VAC (coil voltage, derived from common configurations of this part number series)
• Overload Relay Type: Thermal-Magnetic (standard for this series, verify specific trip class and amp rating with manufacturer datasheet)
• Short Circuit Protection: Integrated breaker or fused disconnect (specific type and rating to be confirmed via manufacturer datasheet)
• Mounting: Surface mount (typical for this enclosure type)
• Compliance: UL Listed, NEMA Standards

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of three-phase induction motors in demanding environments. It is frequently specified for use in manufacturing plants, material handling systems, and other industrial machinery where reliable motor control and fault protection are paramount. Compatibility should be verified with the specific motor's full load amperage (FLA) and the starter's overload settings.

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 8539SFA43V08 or contact our technical team for cross-reference assistance with compatible motor control components.