The Schneider Electric Square D 8539SBA42S8V03 is a Type S combination motor starter designed for reliable and efficient control of induction motors. This device is engineered to manage the high inrush currents associated with motor startups, thereby protecting both the motor and connected electrical systems from voltage fluctuations and excessive stress. Its robust construction ensures dependable operation in demanding industrial environments.

Technical details

• Series: Square D 8539S
• Type: Combination Motor Starter
• Enclosure Type: NEMA 1 (indicated by the 'S' in the part number, typically for general purpose indoor use)
• Control Voltage: 24V AC (indicated by the 'V03' suffix, commonly representing 24VAC coil voltage)
• Motor Starter Size: Size 0 (indicated by the 'A' in the part number, typically representing a specific frame size or horsepower rating range)
• Overload Relay Type: Thermal-magnetic (implied by the standard configuration of this series)
• Interrupting Capacity: Consult manufacturer datasheet for specific rating.
• Mounting: Surface mount (typical for NEMA 1 enclosures)

Applications & compatibility

This Schneider Electric Square D motor starter is suitable for a wide range of industrial applications requiring controlled motor starting. It is commonly found in machinery such as conveyor systems, pumps, fans, and general manufacturing equipment where smooth motor acceleration and system protection are critical. Compatibility is typically with standard three-phase induction motors within the starter's rated horsepower and voltage range.

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 8539SBA42S8V03 or contact our technical team for cross-reference assistance with compatible Square D components.