JN-423 - 100A, 240V, 3-Phase, Switch

Introducing the JN-423 — a robust 100A, 240V, 3‑Phase switch built for the realities of industrial and commercial electrical work. This fusible switch delivers reliable on/off isolation and dependable overcurrent protection in environments where uptime and safety matter, from busy manufacturing floors to utility rooms.

With a compact, maintainable design, the JN-423 fits where space is at a premium and serviceability is key. It works as a motor disconnect, protects branch circuits, and integrates cleanly into panelboards, reducing wiring complexity while improving fault response.

• Model: JN-423
• Amperage rating: 100A
• Voltage: 240V
• Phase: 3-Phase
• Protection type: Fusible switch designed for reliable overcurrent protection
• Ideal for: motor disconnects, panelboards, and branch circuit protection
• Design benefits: compact footprint, maintainable construction, straightforward servicing

Why it matters: in any system with motors or heavy loads, an efficient disconnect and protective device is essential. The JN-423 minimizes downtime by providing a clean, decisive isolation point and prevents damage from overloads. Its three-phase configuration ensures balanced switching across all lines, improving safety and reliability in three-phase circuits.

Practical use cases:

• Motor control centers and equipment rooms requiring a reliable disconnect that also protects circuits
• Panelboard assemblies where space is limited but protection cannot be compromised
• Branch circuit protection in industrial machinery, pumps, conveyors, and HVAC systems

Who benefits most: electrical engineers, maintenance technicians, plant managers, and electrical contractors who value a single, integrated solution for switching and protection.

Choosing the JN-423 means choosing a purpose-built solution that simplifies installations, speeds servicing, and provides trusted protection for demanding environments. Ready to upgrade your electrical infrastructure with a compact, 3-phase, 100A fusible switch? The JN-423 is a practical, resilient choice for reliable isolation and protection.