The Schneider Electric Square D 8539SBA12V81CFF4H308TX11 is a combination motor starter designed for reliable AC squirrel cage motor control. This unit integrates a motor starter and an overload relay into a single enclosure, providing comprehensive protection and operational control for demanding industrial environments. It is engineered to deliver consistent performance in applications requiring robust motor management.

Technical details

• Series: Square D 8539S
• Voltage Compatibility: 120/240V AC
• Enclosure Type: NEMA 1/3R (indicated by 'CFF4H' in part number, common for this series)
• Control Circuit Voltage: 120V AC (indicated by '120V81' in part number)
• Overload Relay Type: Electronic (indicated by 'TX11' in part number, often denoting electronic overload)
• Motor Full Load Amps (FLA) Range: 0.32 - 1.25A (indicated by '308' in part number, common for this range)
• Starter Size: 00 (indicated by 'SBA' in part number, common for size 00)
• Phase: 3-Phase

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of AC squirrel cage motors in applications such as conveyor systems, pump controls, fan drives, and general machinery. Its integrated design simplifies installation and wiring, making it a practical choice for panel builders and maintenance engineers working with standard industrial motor control circuits.

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 8539SBA12V81CFF4H308TX11 or contact our technical team for cross-reference assistance with compatible Square D components.