GN-72 Разъединитель постоянного тока, электрический пылеуловитель однополюсный высоковольтный изолирующий выключатель GN3-72/2-1S 72KV 2A

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:

• isolate the high-voltage DC circuit,
• ensure safe maintenance,
• provide grounding capability during servicing,
• improve personnel safety during inspection and repair.

The switch is widely used in:

• Electrostatic precipitators (ESP)
• Dust collection systems
• Industrial environmental protection equipment
• Thermal power plants
• Cement plants
• Metallurgical industries

Main Features

• Single-pole DC isolation structure
• Rated DC voltage up to 72kV
• Compact and reliable design
• Rotary handwheel operation
• High insulation performance
• Suitable for indoor installation
• Stable conductivity and long service life
• Maintenance-friendly structure
• Optional left-hand or right-hand operation

Технические характеристики

Installation Conditions

The installation environment should meet the following conditions:

• No severe conductive dust
• No corrosive gases or metal particles
• No strong vibration
• Flat and secure installation surface
• Minimum safety clearance above 300mm around high-voltage terminals

If used outdoors, the switch should be installed inside a protective metal enclosure.

Product Advantages

High Safety Performance

Designed specifically for safe isolation and grounding of ESP high-voltage circuits during maintenance.

Reliable Insulation

Suitable for harsh industrial dust-removal environments with stable insulation capability.

Easy Maintenance

Simple structure allows convenient inspection and periodic lubrication.

Long Service Life

Mechanical structure ensures reliable long-term operation under industrial conditions.

Typical Applications

• Electrostatic precipitators
• Flue gas dust collection systems
• Environmental protection systems
• HV DC isolation circuits
• Industrial dust removal equipment