The Schneider Electric Square D LK4SU3N is a non-fusible disconnect switch designed for heavy-duty industrial power distribution. This 3-pole unit is rated for 600 Amperes and 600 Volts, making it suitable for main disconnect applications in manufacturing facilities, processing plants, and other demanding environments. Its robust construction and rotary handle mechanism ensure reliable and safe operation for critical circuit isolation.

Technical details

• Series: Square D
• Model: LK4SU3N
• Poles: 3
• Amperage Rating: 600A
• Voltage Rating: 600V
• Configuration: Non-fusible disconnect
• Operation: Rotary handle
• Enclosure Type: Verify with manufacturer datasheet for specific enclosure details.

Applications & compatibility

This disconnect switch is commonly employed in industrial control panels, motor control centers, and as a main disconnect for large machinery. It is suitable for applications requiring a high-current, manually operated isolation point, such as on packaging lines, material handling systems, and heavy manufacturing equipment. Compatibility should be verified with specific system requirements and local electrical codes.

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 LK4SU3N or contact our technical team for cross-reference assistance with compatible Square D components.