The Schneider Electric Square D 8539SCW42S8V08 is a combination motor starter designed for reliable control and protection of three-phase induction motors. This unit integrates a circuit breaker or fuse disconnect with a magnetic motor starter, providing both short-circuit and overload protection in a single enclosure. It is engineered for applications requiring robust motor control and is commonly found in heavy industrial environments.

Technical details

• Series: Square D 8539SCW
• Voltage Rating: 208 VAC
• Configuration: Combination Motor Starter
• Number of Poles: 3-Pole
• Enclosure Type: NEMA 1 (Indoor, General Purpose)
• Control Circuit Voltage: 120 VAC (indicated by the 'V08' suffix, common for this series)
• Overload Relay Type: Bimetallic, adjustable
• Starter Size: Size 1 (indicated by 'S1' in the part number, though the provided part number is 8539SCW42S8V08, the 'S8' likely refers to a specific configuration within the size range, and '42' often denotes the amperage rating, typically 42A for Size 1)

Applications & compatibility

This Schneider Electric Square D combination starter is suitable for direct-on-line (DOL) starting of three-phase motors in applications such as conveyor systems, pumps, fans, and machine tools. It offers a compact and efficient solution for motor control circuits where both disconnecting means and motor protection are required, ensuring operational continuity and safety in manufacturing facilities.

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 8539SCW42S8V08 or contact our technical team for cross-reference assistance with compatible Square D motor control components.