Product Overview:
KYN28-12 (GZS1) Indoor Metal Armored Removable Switchgear (hereinafter referred to as "switchgear") is suitable for three-phase AC 50Hz power systems, used for receiving and distributing electrical energy and controlling, protecting, and monitoring circuits. The newly introduced and developed high current and high breaking switch equipment can also be used separately as an outlet for high-voltage generators.
This product complies with the following standards: GB3906 "3-35kV AC Metal Enclosed Switchgear", GBT11022 "Common Technical Requirements for High Voltage Switchgear and Control Equipment Standards", IEC298 "AC Metal Enclosed Switchgear and Control Equipment with Rated Voltage Above 1kV and Below 52kV"
Model and meaning:
Environmental conditions for use:
Surrounding air temperature: maximum temperature+40¡æ, minimum temperature -15¡æ.
Humidity conditions:
Daily average relative humidity: ¡Ü 95%, daily average water vapor pressure not exceeding 2.2kPa; Monthly average relative humidity: ¡Ü 90%, monthly average water vapor pressure not exceeding 1.8kPa.
Altitude: 2500m and below.
Seismic intensity: not exceeding 8 degrees.
The surrounding air should not be significantly polluted by corrosive or flammable gases, water vapor, etc.
Places without frequent and intense vibrations.
If used under normal conditions exceeding the requirements of GB3906, it shall be negotiated between the user and the manufacturer.
Main technical parameters:
Note: 1. The short-circuit capacity of current transformers should be considered separately.
2. The technical parameters of ZN63A-12 are detailed in the corresponding sample.
3. The rated current of the 1000m altitude type is ¡Ü 1250A, and the rated breaking current is ¡Ü 31.5kA
