Outdoor high voltage AC disconnector
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outdoor high voltage AC disconnector
dirtiness resistance
with earthing switch
one or three phase
The GW4-27.5(D)(W) is a kind of HV outdoor electric equipments used in the electrical system with rated voltage 27.5 KV , AC one or three phase , frequency 50HZ . It is used for switching on/off the circuit when there has voltage but no load in the electrified railway contact network and AC electric fence .
Technical data:
| GW4-27.5(D)(W) Outdoor high voltage AC disconnector | ||||
| Item | Unit | Value | ||
| Rated voltage | kV | 27.5 | ||
| Rated insultaing level | 1min power frequency withstand volatge(validvalue) | To the earth | kV | 95 |
| Interrupter | kV | 105 | ||
| Rated thunder impulse withstand voltage(peak) | To the earth | kV | 200 | |
| Interrupter | kV | 220 | ||
| Rated frenquency | Hz | 50 | ||
| Rated current | A | 2000 2500 | ||
| Rated short time withstand current | KA | 40 40 | ||
| Ration peak withstand current | KA | 100 100 | ||
| Rated short-circuit duration Main/earthing blade | s | 4/2 | ||
| Rated terminal mechanical load | Horizontal portrait | N | 750 | |
| Horizontal transverse | N | 500 | ||
| Vertical force | N | 750 | ||
| Creepage distance | mm | 1005/1200 | ||
| Mechanical life | times | 5000 | ||
| Electromotor operating mechanism | Type | CJ | ||
| Motor voltage | V | AC380 DC220 DC110 | ||
| Control loop voltage | V | AC380 DC220 AC220 DC110 | ||
| Swith-off/on time | V | 7±1 | ||
| Manual operating mechanism | Type | CS14G CS11 | ||
| Electromagnetic lock voltage | V | AC220 DC220 | ||
| Weight of product | Without earthing | kg | 120 | |
| Single earthing | kg | 150 | ||
Outline dimension:
