| Brand | Switchgear parts |
| Model NO. | DNH1-1600/3 Fuse Switch Disconnector 800A–1600A Factory High-quality |
| Rated voltage | AC690V |
| Rated normal current | 1600A |
| Series | DNH1 |
1. Wide Current Range for Flexible Applications
Available in 800A, 1000A, 1250A, and 1600A configurations, the DNH1-1600/3 adapts to a variety of industrial setups. This range enables system designers to precisely match the switch to the load requirements, thereby improving safety and efficiency.
2. Load-Break Operation
The switch can be operated under full load, allowing for safe isolation during maintenance without the need to shut down the entire system. This feature reduces downtime and ensures uninterrupted productivity.
3. Compliance with International Standards
Certified to IEC60947-3 and GB/T 14048.3, the device meets global safety and performance requirements, making it suitable for international projects and installations.
4. Heavy-Duty Design for Harsh Environments
With an operating temperature range of -25°C to +55°C, the DNH1-1600/3 maintains consistent performance in extreme conditions, from cold storage facilities to high-temperature industrial zones.
5. Enhanced Safety Features
The integrated locking device prevents unauthorized operation, reducing the risk of accidents. Its durable construction and precision engineering ensure long-term reliability.
6. Compact and Robust Construction
With dimensions of 380 mm width, 355 mm height, and 240 mm depth, the switch offers a space-efficient design for switchboards and panel assemblies. The unit weighs 13.5 kg without a fuse and 22.5 kg with fuse, making installation and handling easier.
The DNH1-1600/3 Fuse Switch Disconnector is widely used in:
Low-voltage switchboards in industrial facilities
Motor control centers for heavy machinery
Renewable energy systems such as solar PV and wind power inverters
Power substations for main and feeder circuit protection
Marine and offshore platforms requiring high-current isolation switches
Mining and heavy industry where rugged reliability is essential
DNH1-1600/3 is a heavy-duty fuse type isolation switch with a rated current of 800A-1600A, which has both isolation and short-circuit protection functions. It is suitable for various high current and low voltage cabinets in industrial and large-scale distribution scenarios. Specific adaptation types: GGD (high current customized), GCK/GCS/MNS (high current module unit), GGJ (high current compensation type), JP cabinet customized for rural/park areas
As a leading manufacturer of industrial electrical protection devices, provides fuse switch disconnectors that combine:
High breaking capacity to handle fault conditions safely
Long service life under continuous operation
International certification for global market compliance
Customizable configurations for different voltage and current ratings
| Parameter | Value |
|---|---|
| Rated Current (In) | 800A / 1000A / 1250A / 1600A |
| Rated Voltage (Ue) | 690V |
| Rated Insulation Voltage (Ui) | 1000V |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Conventional Thermal Current (Ith) | 1600A |
| Usage Category | AC-21B (AC690V), AC-22B (AC400V), DC-21B (DC440V) |
| Mechanical Lifespan | 600 operations |
| Operating Temperature | -25°C to +55°C |
| Dimensions (W×H×D) | 380 × 355 × 240 mm |
| Weight | 13.5 kg (without fuse) / 22.5 kg (with fuse) |
