Siemens UV423G-J - 100A, 240V, Fusible, Switch

Meet the Siemens UV423G-J—a robust, fuse-protected disconnect switch built for dependable on/off isolation and steadfast overcurrent protection in demanding industrial and commercial environments. With a 100A rating at 240V, this compact unit delivers focused protection where you need it most, without clogging space in your control panel.

Key specifications

• Model: UV423G-J
• Amperage: 100A
• Voltage: 240V
• Fusible: Yes (fusible switch)

Why the UV423G-J excels in real-world setups

Designed as a fused disconnect switch, the UV423G-J combines isolation and protection in a single, streamlined device. This dual capability simplifies panel design by reducing components while delivering reliable protection for downstream equipment. It’s especially well-suited for motor disconnects, where safe shutdown and quick isolation are essential for maintenance and safety.

Ideal applications

• Motor disconnects: Quickly isolate motors for safe servicing while maintaining protection against overcurrents.
• Panelboards: A compact, maintainable solution that fits into tighter spaces without sacrificing protection.
• Branch circuit protection: Provides a dedicated fusible path to safeguard downstream loads and wiring.

What this means for your operation

• Space-efficient protection: A compact fusible switch that minimizes panel footprint while delivering essential safety features.
• Reliable overcurrent protection: The fusible element responds to faults, helping limit damage and downtime.
• Simplified maintenance: A single device handles switching and protection, streamlining servicing and inventory.
• Clear isolation: Straightforward on/off control enables safe, confident maintenance and testing.

Practical tips and usage scenarios

For motor-driven equipment, install the UV423G-J where service technicians can safely isolate the circuit before work. In panelboards, use this fusible switch to protect branch circuits from overloads while providing a clearly defined point of disconnect. Its 240V rating makes it suitable for common industrial control circuits, lighting, and auxiliary power feeds that require dependable protection without adding complexity.

Maintenance and safety considerations

Adhere to standard electrical safety practices when servicing the UV423G-J. Schedule periodic inspections to verify fuse integrity and ensure the switch operates cleanly between on and off. Replace any fused elements only with the same rating and type to preserve intended protection levels and performance.

Summary

The Siemens UV423G-J 100A, 240V fusible switch stands out as a purpose-built solution for reliable isolation and targeted overcurrent protection in space-constrained control panels. It’s an efficient choice for motor disconnects, panelboards, and branch circuits where a compact, maintainable, fuse-protected switch is essential for uptime and safety.