The Schneider Electric Square D 8538SDA44V81FF4T is a NEMA-rated combination starter designed for robust AC motor control in demanding industrial environments. This unit integrates a circuit breaker or fuse protection with a motor starter, providing both disconnect and overload protection in a single enclosure. It is engineered for applications requiring reliable motor starting and safeguarding against electrical faults.

Technical details

• Series: Square D 8538
• Enclosure Type: NEMA 1 (Indoor, general purpose)
• Voltage Rating: 600 VAC
• Amperage Rating: 45A
• Motor Horsepower Rating: 25 HP at 460/575 VAC (This is a common rating for this frame size and amperage, but buyers should verify against the manufacturer's datasheet for their specific application.)
• Control Circuit Voltage: 120 VAC (Standard for this series, but verify with datasheet)
• Number of Poles: 3
• Included Components: Motor starter, overload relay, and disconnect (circuit breaker or fused disconnect, depending on specific sub-model configuration - verify with datasheet)

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of three-phase AC motors in various industrial settings. Common applications include pump controls, fan systems, conveyor belts, and general machinery where reliable motor protection and disconnect functionality are required. It is designed to integrate into standard industrial control panels and electrical distribution systems.

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 8538SDA44V81FF4T or contact our technical team for cross-reference assistance with compatible Square D components.