The Schneider Electric Square D 8539SBG2V81AFF4T is a combination motor starter designed for comprehensive motor control and protection in industrial environments. This unit integrates a motor starter and overload relay into a single enclosure, providing both manual ON/OFF control and reliable protection against overcurrent conditions. It is commonly employed in applications requiring robust motor management and safety, such as in manufacturing plants and processing facilities.

Technical details

• Series: Square D 8539 Combination Starter
• Type: Combination Motor Starter with Overload Relay
• Enclosure Type: NEMA 1 (Indicates indoor use, protection against solid foreign objects greater than 1mm)
• Motor Starter Rating: Confirmed by part number suffix, specific horsepower/amperage requires datasheet verification.
• Overload Relay Type: Thermal Magnetic (Implied by standard combination starter design, specific trip class requires datasheet verification)
• Control Voltage: 120VAC (Commonly indicated by 'V' in the part number, specific value requires datasheet verification)
• Auxiliary Contacts: 1 Normally Open (NO) and 1 Normally Closed (NC) (Indicated by 'AFF4' in the part number, specific configuration requires datasheet verification)
• Disconnect Type: Fusible (Indicated by 'F' in the part number, specific fuse type and rating requires datasheet verification)

Applications & compatibility

This Schneider Electric Square D combination starter is suitable for direct-on-line (DOL) starting of three-phase motors in various industrial settings. It is frequently utilized in machine tools, conveyor systems, pumps, fans, and other equipment where reliable motor control and overload protection are critical for operational continuity and equipment longevity.

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 8539SBG2V81AFF4T or contact our technical team for cross-reference assistance with compatible Square D components.