200A 3P Fuse Switch Disconnector
This three-pole switch is rated for 200A and allows for secure disconnection of circuits for maintenance. It provides overcurrent protection in a variety of industrial and commercial applications.





Technical Specifications
Overview
High-Performance Circuit Protection
The DNH18 series is an inline 3-pole fuse switch disconnector designed for robust electrical isolation and overcurrent protection in demanding industrial environments. Featuring a modular design with T3 copper contacts, it ensures high conductivity and lower temperature rise during operation. This versatile unit supports both fixed and busbar mounting configurations, providing a secure and efficient solution for power distribution and maintenance safety.

Key Performance Metrics
Featured Specifications
Technical Specifications
- Number of Poles
- 3P
- Compatible Fuse Size
- NH1 (NT1)
- Design Working Voltage
- AC 400V / 690V
- Busbar System Compatibility
- 185mm busbar system
Material & Safety
Material Peculiarity
Safety Components
- Integrated arc extinguishing device
- Secure circuit isolation
- Overcurrent and short circuit protection

Installation & Design
Design Advantages
- Easy fuse link replacement
- Compact installation footprint
- Measurement space for testing
- Two wiring models available
- Installation Options
- Fixed TypeBusbar TypeModular Design


Series Comparison
DNH18 Series Parameters
| Type | Fuse Size | Rated Current (A) | Busbar System |
|---|---|---|---|
| DNH18-160A | NH00 | 63A-160A | 100mm |
| DNH18-250A | NH1 | 200A-250A | 185mm |
| DNH18-400A | NH2 | 315A-400A | 185mm |
| DNH18-630A | NH3 | 400A-630A | 185mm |



