Overview
KYN18-12 removable AC metal-clad switchgear is a new product designed and developed by HEAG group based on advanced foreign design and technology. Its outstanding advantages as follows:
- The enclosure is completely made of aluminium-zinc plated steel sheet which processed by CNC machine, then assembled with bolts. The structure is free from corrosives and deformation.
- LV compartment and HV compartment are completely separated by metal sheet. It prevents from spreading to other parts due to IP4X of protection degree.
- Effective anti-fault interlock assure that each operation step is according to specified procedure.
- Integrated and reliable performance assure that it is free from maintenance.
- The handcart is flexible to draw out and change.
- Earthing switch with rapid open-close operation function has such capacity on short circuit current.
- Secondary wiring will be buried in metal channel to prevent damages from internal failures.
Operating Conditions
- Ambient temperature: -10 ~ +40;
- Altitude: 1000 m;
- Relative humidity: monthly average 90%, daily average 95%;
- Applicable occasions should be free from inflammable, explosives and severe vibration.
Structure Feature
- The enclosure is made of aluminium-zinc plated steel sheet or cold rolled iron sheet after processed by CNC machine and multi-bending, so guarantee advantages of high precision and strong corrosion preventions.
- The complete panel is divided into four separate compartments, those are busbar compartments, handcart compartment, cable compartment and relay compartment. It is equipped with five protection lock device.
- There is a exhaust channel spreads to the top in every compartment. The coping will open automatically to release pressure and guarantee the security of operator.
- There is a valve mechanism among handcart compartment, busbar compartment and cable compartment. The valve closes automatically when the handcart is drawn out, then cover the main static contact to guarantee the security of maintenance man.
Model
Technical Specification of ZN12-12 VCB
| Item | Unit | Data |
|---|---|---|
| Rated current | A | 630, 1000, 1250, 1600, 2000 / 1600–4000 |
| 4 s short-time withstand current | kA | 20, 25, 31.5 / 31.5, 40, 50 |
| Rated short circuit breaking current | kA | 20, 25, 31.5 / 31.5, 40, 50 |
| Rated peak withstand current | kA | 50, 63, 80 / 80, 100, 125 |
| Rated short-circuit breaking times | Times | 50 / 30 |
| Mechanical life | Times | 10000 / 10000 |
| Operating mechanism | Spring operating mechanism | |
| Control circuit voltage | V | AC/DC 110/220 |
| Motor power | W | 245 |
Outline and Installation Dimension
