Basic Info.
Model NO.
Dfw-12/24
Production Capacity
300/Month
Product Description
DFW-12/24 Switching Station for Substation
Technical Specification:
Production Description:
DFW-12/24 switching station is applicable to 3.6-24kV three- phase AC 50HZ power grid cable system, which is mainly used for the substation and power distribution system of electric power distribution, control, protection,measurement and supervision.
Features:
The shell material is made of cold rolled steel plate, stainless steel plate, etc.
The top plate with double-layer structure,to prevent thermal radiation increase indoor temperature.
Perfect protection performance, convenient operation, ensure the safety of the maintenance;
Applicable conditions:
Altitude:≤2000m
Ambienttemperature:-35ºC~+40ºC
Relative humidity:
Daily average≤95%
Monthly average≤90%
Seismic capacity: 8 degrees
Technical Specification:
| No | Item | Unit | Paremeter | |
| 1 | Rated voltage | KV | 12 | 24 |
| 2 | Rated current | A | 630 | 630 |
| 3 | Rated short time withstand current | KA/3S | 20 | 20 |
| 4 | Rated peak withstand current | KA/3S | 50 | 50 |
| 5 | Power frequency voltag/phase/to ground/fracture | KV | 42/48 | 42/48 |
| 6 | Lighting impulse withstand voltage | KV | 85 | 85 |
| 7 | Secondary circuit power frequency withstand voltage | KV | 2 | 2 |
| 8 | Rated current breaking times | Time | 100 | 100 |
| 9 | Rated cable breaking current | A | 10 | 10 |
| 10 | Rated closed-loop breaking current | A | 630 | 630 |
| 11 | Shell protection class | IP66 | IP66 | |
| 12 | SF6 gas pressure(Relative absolute pressure) | KPa | 40 | 40 |
| 13 | SF6 gas leak rate | <1‰ | <1‰ | |
| 14 | Equipped with cable cross section | mm² | <=400 | <=400 |
DFW-12/24 switching station is applicable to 3.6-24kV three- phase AC 50HZ power grid cable system, which is mainly used for the substation and power distribution system of electric power distribution, control, protection,measurement and supervision.
Features:
The shell material is made of cold rolled steel plate, stainless steel plate, etc.
The top plate with double-layer structure,to prevent thermal radiation increase indoor temperature.
Perfect protection performance, convenient operation, ensure the safety of the maintenance;
Applicable conditions:
Altitude:≤2000m
Ambienttemperature:-35ºC~+40ºC
Relative humidity:
Daily average≤95%
Monthly average≤90%
Seismic capacity: 8 degrees
