Description
Definition of model
Add power display device
G- Plateaux type W-Antifouling type
Rated current
Wall type: C1-turn at the side of wall
C2-break at the side of wall
C3-Both sides at the side of wall
Rated voltage
Design number
Indoor type
Isolate switch
Service condition
1.The altitude above sea level: 2000m.
2.The ambient air temperatures: -40 to 40℃.
3.Wind speed doesn’t exceed 700Pa (not exceed 34m/s).
4.The earthquake intensity doesn’t exceed 8 degrees.
5.The working situation: without frequent violent vibration.
6.The installation site of ordinary type isolator should be kept away from gas, smoke chemical deposition, salt-spray fog, dust and other explosive and corrosive maters that affect seriously insulation and conduction capability of the isolator.
7.Pollution proof type isolator applies to sever filthy conduction area. However, it shouldn’t be any explosive matters and matters causing fire.
G19 Key Technical Parameters
| Items | Units | Technical parameters | |
| Rated voltage | kV | 12-15 | |
| 1 min Power frequency withstand voltage | To earth | kV | 38 |
| Across open DS | kV | 42 | |
| Lightning impulse withstand voltage | To earth | kV | 75 |
| Across open DS | kV | 85 | |
| Rated frequency | Hz | 50 | |
| Rated current | A | 200、400/630/1000/1250 | |
| Short time withstand current(4s) | kA | 6.3/12.5/20/31.5/40 | |
| Rated peak withstand current | kA | 16/31.5/50/80/100 | |
| Rated duration of short/circuit | S | 4/2 | |
| Creepage Distance | mm | 300-380 | |
| Mechanical life | times | 2000 | |
| Type | Rated Voltage(kV) | Rated Current(A) | Short time withstand current(4s) kV | Rated peak withstand current kV |
| GN119-12/400-12.5 | 12 | 400 | 12.5 | 31.5 |
| GN19-12/630-20 | 12 | 630 | 20 | 50 |
| GN19-12/1000-31.5 | 12 | 1000 | 31.5 | 80 |
| GN19-12/1250-31.5 | 12 | 1250 | 31.5 | 80 |
| GN19-12/400-12.5 | 12 | 400 | 12.5 | 31.5 |
| GN19-12/630-20 | 12 | 630 | 20 | 50 |
| GN19-12/1000-31.5 | 12 | 1000 | 31.5 | 80 |
| GN19-12/1250-31.5 | 12 | 1250 | 31.5 | 80 |
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