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KYN28A-12 armored removable metal-enclosed switchgear


Product Overview

KYN28A-12 indoor AC armored removable metal-enclosed switchgear. It is suitable for three-phase AC rated voltage 12kV, rated frequency 50Hz power system, used for receiving and distributing electric energy and controlling, protecting and monitoring the circuit.

Product Features


Product Structure Features
KYN28A-12 indoor AC armored removable metal-enclosed switchgear. It is suitable for three-phase AC rated voltage 12kV, rated frequency 50Hz power system, used for receiving and distributing electric energy and controlling, protecting and monitoring the circuit.
This product complies with GB3906 "3-35KV AC metal-enclosed switchgear", GB/T11022 "Common technical requirements for high-voltage switchgear and control equipment standards", IEC60298 "AC metal-enclosed switchgear and control equipment with rated voltage above 1KV and below 52KV" , DLT404 "Indoor AC High Voltage Switchgear Ordering Technical Requirements" standard requirements.

Conditions of Use
1. Ambient temperature: high temperature +40°C, low temperature -15°C (under special process, it can reach -45°C);
2. Ambient humidity: B average < 95%, monthly average < 90%;
3. Altitude: below 1000m;
4. Earthquake resistance; the seismic intensity does not exceed grade 8;
5. The surrounding air should be free from obvious pollution such as corrosive or combustible gas and water vapor;
6. No serious pollution and frequent violent vibrations, and the severity design meets the requirements of category 1 under severe conditions;
7. When used under the normal environmental conditions specified in GB3906, it shall be negotiated between the user and the manufacturer.
Note: 1. When the relative humidity is greater than 70V0, the electric heater should be turned on. 2. Places where the altitude exceeds 1000m shall be treated according to the provisions of JB/Z102-71.

Keywords: dry-type transformer, transformer

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