ITE Bulldog JN323 100A Fused Disconnect Switch

ITE Bulldog JN323 fused disconnect switch — a brand-new, 100A, 2-pole, 4-wire unit designed for safe, reliable electrical isolation in industrial and commercial environments. With a 240V single-phase rating, it provides immediate, dependable disconnection under load and supports lockout/tagout procedures to keep maintenance teams safe during service.

Key specifications

• Amperage: 100A
• Voltage: 240V
• Poles: 2-Pole
• Wires: 4-Wire configuration
• Phase: 1PH
• Type: Fused Disconnect Switch
• Condition: New
• Model/Brand: ITE Bulldog/JN323

Why this fused disconnect stands out

Unlike simple mechanical cutoffs, this fused disconnect integrates the protective fuse element, delivering short-circuit protection without requiring separate components. The 2-pole, 4-wire layout minimizes wiring complexity on 240V single-phase circuits, while the built-in fusible design ensures a controlled disconnect that reduces arcing and improves safety during maintenance and fault events.

Ideal use scenarios

• Motor control and power isolation for conveyors, pumps, fans, and other industrial equipment
• Maintenance shutdowns in manufacturing lines where lockout/tagout is mandatory
• Service disconnects for light to medium-duty commercial electrical systems requiring reliable fuse-based protection

Installation and safety considerations

Designed for industrial environments, this ITE Bulldog unit supports straightforward wiring for 240V single-phase circuits. To maximize safety, pair it with standard lockout/tagout practices and replace fuses only with the same 100A rating. Ensure connections are performed by qualified personnel following local electrical codes.

Maintenance and lifecycle tips

• Inspect fuses for signs of wear or damage during routine maintenance; replace with the same amperage rating to maintain protective performance
• Periodically verify the disconnect operates smoothly under load and re-seats firmly after isolation
• Store and handle the unit in a clean environment to prevent corrosion and ensure reliable disconnection when needed