DNGW1 DNHGW1 Series Disconnect Switch
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DNGW1 / DNHGW1 Disconnect Switch overview
The DNGW1 / DNHGW1 Disconnect Switch is listed in the GRL range for switching and isolation applications. Use the model-specific information below to compare switch type and required duty, rated voltage, current and interlocks and installation dimensions and operating mechanism before selecting a configuration.
Technical Parameters
| No. | Item | Unit | Datas | ||||
|---|---|---|---|---|---|---|---|
| 1 | Rated voltage | kV | 10 | 15 | 20 | ||
| 2 | Rated voltage | kV | 12 | 17.5 | 24 | ||
| 3 | 1 min power frequency withstand voltage | To earth | kV | 38 | 40 | 50 | |
| Break | kV | 42 | 47 | 60 | |||
| 4 | Rated lightning impulse withstand voltage | To earth | kV | 75 | 105 | 125 | |
| Break | kV | 85 | 120 | 145 | |||
| 5 | Rated frequency | Hz | 50 | ||||
| 6 | Rated current | A | 200 | 400 | 630 | 1250 | |
| 7 | 4s short time withstand current | kV | 6.3 | 12.5 | 20 | 31.5 | |
| 8 | Peak withstand current | kV | 16 | 31.5 | 50 | 80 | |
| 9 | Mechanism supplied for disconnector | CS8-1、CS8-D、CS8-IID Rain type manual mechanism or CJ35 motor drive mechanism | |||||
Selecting DNGW1 / DNHGW1 Disconnect Switch
Before requesting a quotation, confirm switch type and required duty, rated voltage, current and interlocks and installation dimensions and operating mechanism. Send the exact model, quantity and installation details so the configuration and document set can be checked against your project.
Compare the high voltage disconnect switch range, including DNGW10 Load Break Switch; FN7 Air Load Break Switch Indoor. For drawings and order-specific questions, send your product requirements to GRL.









