The Schneider Electric Square D 8539SBT43V03 is a Type S Combination Magnetic Motor Starter designed for reliable motor control in industrial environments. This starter integrates a circuit breaker or fuse with a magnetic motor controller, providing both short-circuit protection and overload protection for electric motors. It is commonly utilized in applications requiring robust and safe motor startup and operation, such as on pump drives or fan systems.

Technical details

• Series: Square D Type S Combination Magnetic Motor Starter
• Number of Poles: 3
• Voltage Rating: Up to 600 VAC
• Enclosure Type: NEMA 1 (Indoors)
• Starter Size: 1
• Coil Voltage: 24 VDC
• Overload Relay Type: Bimetallic
• Trip Class: 10

Applications & compatibility

This motor starter is suitable for use in a wide range of industrial machinery, including conveyor systems, machine tools, and HVAC equipment. Its NEMA 1 enclosure makes it appropriate for indoor applications where protection against dust and incidental contact is required. The 8539SBT43V03 is designed to protect motors from damaging overcurrent conditions, ensuring extended equipment life and minimizing downtime.

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 8539SBT43V03 or contact our technical team for cross-reference assistance with compatible Type S components.