Square D GS1 - 100A, 600V, Fusible, Disconnect Switch

Square D GS1 — 100A, 600V Fusible Disconnect Switch is a rugged, purpose-built solution for reliable on/off isolation and overcurrent protection in demanding industrial and commercial environments. Built to handle the rigors of daily power control, the GS1 combines clear disconnect capability with integrated fuse protection, delivering a compact yet powerful safeguard for your electrical distribution.

Designed to simplify motor control and power distribution, this fusible disconnect switch fits where space is at a premium while still offering accessible maintenance. The 100A rating covers a wide range of mid-sized motor loads, and the 600V specification accommodates typical industrial power systems with ample margin for safety and performance. In a single, maintainable unit, you get both isolation and protection without the clutter of separate components.

• Model: GS1
• Amperage: 100A
• Voltage: 600V
• Fusible: Fusible design for integrated overcurrent protection

Why this matters in the real world

• Motor disconnects made easy: Quickly isolate motors for safe maintenance, testing, or fault shutdown without compromising downstream circuits.
• Panelboard-friendly: A compact form factor fits into tight panelboard enclosures and control panels, keeping wiring neat and accessible.
• Branch circuit protection: The fusible switch provides targeted protection for individual branches, helping limit fault impact and improve overall system reliability.
• Maintainable by design: The GS1 is described as maintainable, supporting straightforward fuse replacement and routine inspections to minimize downtime.

Ideal for:

• Motor control centers and equipment rooms in factories, warehouses, and processing facilities
• Panelboards requiring integrated disconnect and protection in a single, compact unit
• Contractor and OEM installations where space, reliability, and ease of maintenance are priorities

Choosing the Square D GS1 means selecting a dedicated, space-conscious solution that pairs reliable isolation with protective fusing. It’s a practical upgrade from separate disconnects and fuses, delivering a streamlined footprint and simpler maintenance while meeting the needs of mid-range motor and branch circuit protection in both industrial and commercial power systems.