Low Voltage NH Fuse Disconnecting Switch 160A to 630A
This low voltage NH fuse switch provides a safe and reliable method for isolating and disconnecting NH fuses in electrical circuits. It is available in current ratings from 160A to 630A.





Technical Specifications
Overview
High-Performance Fuse Disconnecting Switch
This Low Voltage NH Fuse Disconnecting Switch is engineered for reliable circuit isolation and overcurrent protection in industrial and commercial power distribution systems. Designed to accommodate NH-type fuses, it offers robust performance with a rated insulation voltage of 1000V and a short-circuit making capacity of 50kA. Available in multiple current ratings from 160A to 630A, this switch ensures safe operation and easy maintenance for critical electrical infrastructure.
Technical Specifications
Utilization Category
- Rated Operational Voltage
- 400 V
- Rated Insulation Voltage
- 1000 V
- Rated Impulse Withstand Voltage
- 8000 V
- Rated Frequency
- 50/60 Hz
- Short Circuit Making Capacity
- 50kA/ms

Performance Data
Power Loss by Model
Compatibility
Compatible NH Fuse Sizes
- NH00 (NT00)
- NH1 (NT1)
- NH2 (NT2)
- NH3 (NT3)
Available Models
| Model | Max Current |
|---|---|
| DNH1-160 | 160A |
| DNH1-250 | 250A |
| DNH1-400 | 400A |
| DNH1-630 | 630A |



