Ningbo Richge Technology Co., Ltd.
Ningbo Richge Technology Co., Ltd.
Products
Switchgear Ground Knife Controller
  • Switchgear Ground Knife ControllerSwitchgear Ground Knife Controller

Switchgear Ground Knife Controller

Model:SZY-20B

The switchgear ground knife controller is a vital device used in electrical systems to operate ground knife switches, which are essential for safely grounding equipment during maintenance and servicing. This controller provides reliable and precise control over the opening and closing of ground knife switches, ensuring effective isolation and protection of electrical circuits.


main application

The Switchgear Ground Knife Controller is used in substations, power plants, and industrial electrical systems to safely operate the grounding knife switch, which is used to connect high-voltage switchgear components to the ground. Its primary function is to provide a controlled means of grounding or isolating electrical systems to ensure the safety of personnel during maintenance, repair, or testing operations.

In substations, the ground knife controller is used to safely ground switchgear, such as circuit breakers, transformers, or isolators, before maintenance or testing. This prevents electrical shock hazards by discharging any residual voltage from the high-voltage equipment. In power plants, it allows operators to isolate and ground specific sections of the electrical grid or equipment, ensuring that maintenance work can be conducted safely and without the risk of electrical accidents.

The Switchgear Ground Knife Controller typically features manual or motorized operation, and may include interlocking mechanisms, clear position indicators, and safety features such as status alarms or fault detection. These features ensure that the grounding switch is securely operated and that the switchgear is properly grounded before any work begins. The controller helps improve the safety and efficiency of maintenance operations by preventing accidental energization of the equipment and ensuring safe isolation of electrical circuits.


Designed for durability, the ground knife controller is constructed from high-quality materials that withstand harsh operating conditions. It features an intuitive interface that allows operators to easily manage switch operations, along with safety features to prevent accidental activation.
Suitable for a variety of switchgear applications, the ground knife controller enhances both safety and efficiency in electrical installations. Compliant with international safety standards, it is an indispensable tool for electrical professionals, ensuring secure and reliable grounding operations during maintenance tasks.


elementary diagram

Main technical parameters

Voltage power supply: AC / DC110V, AC / DC220V
Output contact: 5A, AC250V, or DC30V
Power frequency voltage resistance: AC2.5KV/1min
Temperature of the working environment: -20℃ ~ + 50℃
Rated power of the motor load is less than 300W, DC110V DC220V
Power consumption: <5W
Protection level: IP20
Installation method: card slot type installation, hole size 91mmx91mm

Factory


Certificate




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