The Schneider Electric Square D 8538SDA24V02SY74 is a NEMA Size 1 combination magnetic starter designed for AC squirrel cage motor control. This starter integrates a motor starter and a circuit breaker or fuse holder into a single, compact unit, providing both motor control and overcurrent protection. It is engineered for applications requiring robust and reliable motor starting and protection in demanding industrial environments.

Technical details

• Series: Square D 8538S
• NEMA Rating: Size 1
• Voltage Rating: 600 VAC
• Amperage Rating: 45 Amps (for the starter component)
• Motor Horsepower Rating: Typically suitable for motors up to 15 HP at 460/575 VAC (verify with manufacturer datasheet for precise motor compatibility)
• Enclosure Type: Open style (SY74 suffix often indicates a specific enclosure or configuration, consult datasheet for details)
• Control Circuit Voltage: 24 VAC (indicated by '24V' in the part number)
• Contact Configuration: Standard NEMA configuration for motor starting (typically 3 normally open poles)

Applications & compatibility

This Schneider Electric Square D combination starter is commonly employed in construction, infrastructure, and building automation systems. It is suitable for controlling and protecting motors in applications such as HVAC systems, pump controls, conveyor systems, and other machinery requiring dependable motor management. Its integrated design simplifies installation and wiring in control panels.

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 8538SDA24V02SY74 or contact our technical team for cross-reference assistance with compatible Square D components.