GN3-72/2-1S is a 72kV 2A single-pole high voltage DC disconnector designed for electrostatic precipitator and electric dust removal systems.
It provides reliable isolation, grounding, and maintenance safety for HV DC circuits.
The GN-72 series DC isolating switch adopts a left-hand or right-hand rotary operating mechanism and is installed between the electrostatic precipitator insulating support and the silicon rectifier transformer output terminal.
Its primary function is to:
The switch is widely used in:
| Item | Specification |
|---|---|
| Model | GN3-72/2-1S |
| Rated DC Voltage | 72kV |
| Rated DC Current | 2A |
| Type | Single Pole DC Disconnector |
| Installation | Indoor |
| Operation Method | Manual rotary operation |
| Application | Electrostatic precipitator system |
| Ambient Temperature | -20°C ~ +60°C |
| Relative Humidity | ≤95% |
| Altitude | ≤2000m |
The installation environment should meet the following conditions:
If used outdoors, the switch should be installed inside a protective metal enclosure.
Designed specifically for safe isolation and grounding of ESP high-voltage circuits during maintenance.
Suitable for harsh industrial dust-removal environments with stable insulation capability.
Simple structure allows convenient inspection and periodic lubrication.
Mechanical structure ensures reliable long-term operation under industrial conditions.
Manufacturer of power transmission and distribution equipments.
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