The Schneider Electric Square D 8539SBA51V08 is a NEMA-rated combination motor starter designed for reliable motor control and protection in industrial environments. This unit integrates motor overload and short-circuit protection into a single enclosure, offering a compact and efficient solution for safeguarding electric motors. It adheres to UL listings, ensuring compliance with safety standards for critical applications.

Technical details

• Series: Square D 8539 Combination Starter
• Enclosure Type: NEMA 1 (Indoor, general purpose)
• Amperage Rating: Up to 45 A (for the overload relay)
• Voltage Rating: Typically 600V AC (verify with manufacturer datasheet for specific configuration)
• Motor Full Load Amps (FLA) Range: Configurable via overload relay settings (refer to datasheet for specific range)
• Control Circuit Voltage: Typically 110-120V AC (verify with manufacturer datasheet for specific configuration)
• Includes: Motor starter (contactor) and adjustable thermal overload relay
• Protection Features: Overload protection (thermal), short-circuit protection (magnetic trip)

Applications & compatibility

This combination starter is suitable for direct-on-line (DOL) starting of three-phase induction motors. It is commonly found in applications such as pump controls, fan systems, conveyor belts, and general machinery where robust motor protection and control are essential. The NEMA 1 enclosure makes it appropriate for clean, dry indoor environments.

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 8539SBA51V08 or contact our technical team for cross-reference assistance with compatible Square D components.