194R-NJ400P3 - 400A, 600V, 3-Pole, Fusible, Disconnect Switch

Meet the 194R-NJ400P3—a rugged, reliable fusible disconnect switch engineered for demanding industrial and commercial environments. With a 400A rating and 600V capacity, this 3-pole device delivers confident on/off isolation and precise overcurrent protection for critical equipment, reducing downtime and shielding your systems from electrical faults. Designed to be compact and maintainable, it fits into tight panels and simple upgrades without sacrificing performance.

• Fusible protection in a compact package: Integrated fusible switching provides fast, selective protection for three-phase loads, helping prevent damage during overloads and faults.
• Three-phase reliability: 3-pole configuration ensures true three-phase isolation, essential for balanced motor and equipment protection in industrial setups.
• High-current, high-voltage capability: 400A continuous operation at up to 600V supports motor disconnects, panelboards, and branch circuits in demanding environments.
• Ultra-compact, maintainable design: Space-efficient footprint simplifies panel installations and retrofit projects, while easy-access fuse elements streamline maintenance.
• Versatile use cases: Ideal for motor disconnects, panelboard feeds, and branch circuit protection where a compact, maintainable fusible switch is required.

Key specifications

• Model: 194R-NJ400P3
• Amperage: 400A
• Voltage: 600V
• Poles: 3-Pole
• Fusible: Fusible

Why this fusible disconnect switch matters

In everyday operation, motor startups, panelboard feeders, and branch circuits demand reliable isolation and protection. The 194R-NJ400P3 delivers a clear, accessible path to safely disconnect power for maintenance while the integrated fusing provides rapid response to overloads. This means less unplanned downtime, easier fuse replacement, and a safer working environment for technicians performing servicing or troubleshooting.

Who benefits most

• Facilities managers overseeing industrial floors, HVAC systems, pumps, and conveyors that rely on dependable motor control
• Electrical engineers and technicians responsible for panelboard protection and branch circuits in commercial settings
• Maintenance teams seeking a compact solution that minimizes panel intrusion while maximising protection and ease of service

Practical tips for best results

• Pair the 194R-NJ400P3 with appropriately rated fuses designed for your three-phase load to ensure optimal protection and coordination.
• Plan installation in accessible panel spaces to simplify fuse replacement and disconnection procedures during maintenance.
• Verify wiring configurations align with your system’s three-phase arrangement to achieve true, balanced isolation.
• Follow electrical safety procedures and local codes when implementing motor disconnects and branch circuit protection.

For engineers and technicians seeking a robust, space-conscious solution that does not compromise on protection or reliability, the 194R-NJ400P3 stands out as a purpose-built fusible disconnect switch. It’s the practical choice when you need dependable isolation, straightforward maintenance, and protected three-phase operation in one compact package.