Project Description
Off load Isolator (Disconnect Switch)
Application of Disconnect Switch (Isolator):
Outdoor AC HV disconnecting switch is used to open and close circuit with voltage but no-load 50/60Hz, 12~36 kV power network. Anti-pollution type is suitable for heavy polluted area.
Outdoor AC HV disconnecting switch is used to open and close circuit with voltage but no-load 50/60Hz, 12~36 kV power network. Anti-pollution type is suitable for heavy polluted area.
|
Type |
Rated voltage (KV) |
Rated current (A) |
4s heat steady current (KA.4s) | Shock current (KA) |
| DS-26 (a~h) | 12 | 400~1250 | 12.5~31.5 |
31.5~80 |
| Type | Rated voltage (KV) |
Rated current (A) |
4s heat steady current (KA.4s) | Shock current (KA) | Contact resistance (μΩ) | Climbing gasp (cm/KV) |
| DS-027 (a~j) | 12 | 200~1000 | 12.5~31.5 | 8~75 | 150/200 | 2.5/3.5 |
| Type | Rated voltage (KV) |
Rated current (A) |
4s heat steady current (KA.4s) | Shock current (KA) | Contact resistance (μΩ) | Climbing gasp (cm/KV) |
| DS-028 (a~c) | 10 | 400~1000 | 12.5~31.5 | 31.5~75 | 150 | 3.5 |
| Type | Rated voltage (KV) |
Rated current (A) |
4s heat steady current (KA.4s) | Shock current (KA) | Impulse withstand voltage | Power frequency withstand voltage | ||
| To earth (KV) | Across the isolating distance (KV) | To earth (KV) | Across the isolating distance (KV) | |||||
| DS-025 | 11 | 400 | 12.5 | 31.5 | 75 | 95 | 38 | 42 |
| DS-025 | 33 | 600 | 12.5 | 31.5 | 170 | 195 | 70 | 80 |
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