Part of the robust Schneider Electric Square D 8739 series, the 8739SCG42V03 combination magnetic starter is engineered for reliable motor control in demanding industrial environments. This unit integrates a magnetic contactor and overload relay within a single enclosure, simplifying installation and enhancing operational safety for three-phase motor applications.

Technical details

• Series: Square D 8739
• Type: Combination Magnetic Starter
• Configuration: Includes magnetic contactor and overload relay
• Voltage Rating: The '42' in the part number typically indicates a 42-volt control circuit voltage. For main power circuit voltage, consult the manufacturer's datasheet.
• Amperage Rating: The 'G' in the part number often denotes a specific frame size or amperage rating. For precise current handling capabilities, verify against the manufacturer's specifications.
• Enclosure Type: The 'SC' designation suggests a specific enclosure type, often a general-purpose or NEMA 1/3R enclosure. Confirm suitability for your environmental conditions.
• Control Circuit Voltage: 42V AC/DC (typical interpretation of '42' in this context)
• Motor Control Functionality: Provides start/stop control and thermal overload protection for electric motors.

Applications & compatibility

This Schneider Electric Square D starter is suitable for direct-on-line (DOL) motor starting applications across various industries. It is commonly found in control panels for machinery such as pumps, fans, conveyors, and processing equipment where reliable motor protection and control are paramount.

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 8739SCG42V03 or contact our technical team for cross-reference assistance with compatible Square D components.