GS1JU3 - 100A, 600V, Fused Disconnect Switch

The GS1JU3 is a high-performance fused disconnect switch designed for industrial and commercial environments requiring safe and reliable electrical isolation. Built to withstand demanding operation, it delivers clean, dependable disconnection under load and supports rigorous lockout/tagout procedures to protect maintenance teams.

With a 100A current capacity and a 600V rating, the GS1JU3 handles a wide range of feeders and equipment circuits, offering durable performance that stands up to daily switching, fault conditions, and routine maintenance.

Key benefits

• Reliable electrical isolation under load — maintains clear, decisive disconnection even when circuits are energized, reducing downtime and risk during service.
• LOTO-friendly design — streamlines safety protocols by enabling proper lockout/tagout procedures for maintenance and repairs.
• Long-term durability — engineered for harsh industrial and commercial environments, delivering consistent performance over time.

Ideal applications

• Main service/disconnect points in commercial facilities and industrial equipment rooms
• Motor control and feed circuits where fast fault clearing protects downstream devices
• Generator or large equipment isolation where reliable de-energization is critical

Specifications at a glance

• Amperage rating: 100A
• Voltage rating: 600V
• Model: GS1JU3

Choosing the GS1JU3 means investing in a proven solution that aligns with safety standards and practical maintenance needs. It’s the right fit for technicians and facilities teams who value dependable isolation, safer work practices, and a durable, long-lasting switch that performs when it matters most.