The Schneider Electric Square D 8538SDG34V81AFF4T is a combination motor starter designed for robust motor control and protection in demanding industrial environments. This unit integrates a contactor and overload relay within a single enclosure, streamlining installation and panel space. It is commonly utilized in applications requiring reliable starting and stopping of electric motors, such as on manufacturing equipment and material handling systems.

Technical details

• Series: Square D 8538
• Type: Combination Motor Starter
• Enclosure Type: NEMA 1 (indicated by the 'AFF4T' suffix, commonly denoting indoor, general purpose enclosures)
• Contactor Rating: 30 Ampere (derived from the '34' in the part number, often indicating a 30A contactor size for this series)
• Overload Relay Type: Thermal, adjustable (implied by standard combination starter configuration and the 'V81' designation, which often relates to overload settings)
• Voltage Rating: 600V AC (standard for this series and enclosure type)
• Control Circuit Voltage: 120V AC (indicated by the 'AFF4T' suffix, which typically specifies control transformer and coil voltage)
• Phase: 3-Phase
• Auxiliary Contacts: 1 Normally Open (NO) and 1 Normally Closed (NC) (common configuration for this model, often encoded in the latter part of the part number)

Applications & compatibility

This Schneider Electric Square D combination starter is suitable for direct-on-line (DOL) starting of three-phase induction motors across various industries. It is frequently specified for use in machine tools, conveyor systems, pumps, fans, and other general industrial machinery where reliable motor control and overload protection are essential 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 8538SDG34V81AFF4T or contact our technical team for cross-reference assistance with compatible Square D components.