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TECHNICAL CHARACTERISTIC
| Rated voltage | 500 V | Supply line | cable, max 240 mm2 | |
| Nominal frequency | 50 Hz | Method of fastening | for flushing into a hole | |
| Rated current | 63 A | Nominal dimensions | 610 x 415 x 255 mm | |
| Short-circuit resistance | 10kA | Instrumentation | 6 fuse bases VPS 63 | |
| Protection class | IP34D | Bus bar | medium, protective with screws M8 and M6 | |
| Type of connection | for terminal connection | Door closure | according to STN 35 97 54 | |
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Protection of non-live parts |
zero adjusting or earhing |
IEC | 60439-5 | |
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USE |
The SP4 connecting box is used for terminal or continuous connection of cable distribution network up to 500 V, 63 A, 50 Hz by conductors of up to 240 mm2 and securing of intake line from the connection point to the extraction site. |
TECHNICAL DESCRIPTION |
The box is made of steel sheet thick 1,5 mm, hot-dip galvanized.
The hole for incoming tension line is in lower side, the lace holes of average 60 mm for excursory tension line is in upper side.
The support lath of fuses is welded to the lateral sides of the box.
The door of the box has a dip flash symbol according to STN 34 5550.
The box is locked by a lock according to STN 35 9754. | |
| NOTE | The key to lip locks and plug cartridges are not included in the supply. | |||