|
 |
TECHNICAL CHARACTERISTIC
| Rated voltage | 500 V | Supply line | cable, max 240 mm2 | |
| Nominal frequency | 50 Hz | Method of fastening | by the help of fixative strips for the pole | |
| Rated current | 250 A | Nominal dimensions | 870 x 365 x 255 mm | |
| Short-circuit resistance | 25 kA | Instrumentation | 6 fuse bases SP 2 with screws M10 x 35 | |
| Protection class | IP43 | Bus bar | medium, protective with screws M10 x 35 | |
| Type of connection | for terminal or continuous connection | Door closure | power closure according to STN 35 97 54 | |
|
Protection of non-live parts |
zero adjusting or earhing |
IEC | 60439-5 | |
| USE |
External disconnecting and fuse box VRIS 2/200 is used for connection from external distribution network up to 500 V, 400 A, 50 Hz to continuous or terminal cable distribution network from extension line to the extraction site. |
|||
TECHNICAL DESCRIPTION
The box is made of steel sheet thick 1,5 mm, hot-dip galvanized. 3 protective piping (stuck together with cases - it's possible to remove it according to use the box) come through the cover of the box. The bottom of the box and lower moulding of the door are removable. Then it is possible to mount the special box =K= on lower cable terminal. The door of the box has a dip flash symbol according to STN 34 5550. The production sign is on the lateral side of the box, scheme of connection and protective sign "ATTENTION - REVERSE CURRENT" are on the back side of the door. Instrumentation is made by fuse bases SP 2. The support moulding is welded to lateral side of the box. The medium and protective bus bar is marked according to STN 34 0165. Protective terminal is signed by earthing symbol according to STN 34 5550. Conductors are connected to fuse bases by the help of cable springes. Shock protection according to STN 34 1010 by zero adjusting or earthing. In case of protection by earthing it is necessary to disconnect the connection between the medium and protecting bus bar M 10. The boxes are suplied completely assembled without carver fuses and locks. Every piece of product is tested. The test covered verification of making and functional test, metering of insulating resistance and test by applied voltage.