KYN28-12 Metal-clad indoor movable switchgear

KYN28-12 indoor communication metal armoured open switchgear(hereinatter
referred to as the switchgear), department ofthree-phase ac50hz single busbar
and double bus section system of indoor complete sets of power distribution
equipment, applicable to power plants, substations, and industial and mining
enterprises of rated voltage 3.6~12kv power grid, as acceptance and
distribution of electrical energy, and the circuit implementation ofcontrol,
protection and monitoring.Switch cabinet can be used both domestic well-known
brand vacuum circuit breaker(VS¹series, for example), and can choose the
intermational well-known brand vacuum circuit breaker(such as ABB VD4 series,
the series of Siemens 3ae, schneider company HVX series), can also beinstaled
isolation devices or below 12 kv vacuum contactor, complete sets of equipment
can meet the requirements of power grid forhigh voltage switchgear, and is
suitable for "ive prevention"and the full process, fuly enclosed, the
insulation condition, it isa kind of superior performance ofthe power
distribution device.
High-voltage Switchgear Use Conditions
1. Ambient temperature: upper limit+40℃, lowerlimit-25℃;
2. Altitude: not higher than 1000m;
3. Relative humidity: daily averagerelative humidity not over 95%, monthly
average relative humidity notover 90%;
4. Earthquake strength: not surpass8degree;
5. Locations where no obvious fire or explosive danger, not heavily polluted,
no corrosion.

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