The Schneider Electric Square D 8539SBA64V02 is a single-phase thermal magnetic circuit breaker designed for robust overload and short-circuit protection in industrial environments. This unit integrates both thermal and magnetic tripping mechanisms to safeguard electrical circuits from damaging current conditions. The thermal element, a bimetallic strip, responds to sustained overcurrents by bending and opening the circuit, preventing equipment damage from gradual heat buildup. The magnetic element provides rapid response to sudden, high-magnitude fault currents, such as those occurring during short circuits, by utilizing an electromagnet to instantly trip the breaker.

Technical details

• Series: Square D 8539S
• Type: Thermal Magnetic Circuit Breaker
• Phase: Single Phase
• Tripping Mechanism: Thermal and Magnetic
• Overload Protection: Provided by bimetallic thermal element
• Short-Circuit Protection: Provided by electromagnetic magnetic element
• Voltage Rating: Verify against manufacturer datasheet for specific voltage class (e.g., 240VAC, 480VAC).
• Current Rating: Verify against manufacturer datasheet for specific amperage rating.

Applications & compatibility

This circuit breaker is suitable for use in a wide range of industrial control panels and machinery requiring reliable single-phase power protection. Common applications include motor control circuits, lighting circuits, and general power distribution within manufacturing facilities, such as on packaging lines, conveyor systems, and HVAC equipment.

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 8539SBA64V02 or contact our technical team for cross-reference assistance with compatible Square D components.