Outdoor High Voltage 33KV Porcelain Expulsion Drop Out Fuse Cutout
The Fuse Cutout are connected with the incoming feeder of the distribution transformer or distribution lines. These are primary used to protect transformers or lines from short circuits and overloads and switching currents. The drop out fuse unit is composed of insulator supports and a fuse tube, static contacts is fixed on two sides of insulator support and moving contact is installed on two ends of fuse tube. The interior of the fuse tube is the extinguishing tube, the exterior is made of phenolic compound paper tube or epoxy glass.
Description | Fuse cutout is to provide reliable protection for the 10-35KV power distribution line and distribution transformers, it also protects the overload and short circuit, switching on/off the rated load current. |
Standard | IEC 60282-2 |
Environmental Conditions | Ambient Temperature: -30℃ - +40℃ Altitude: 3000m Frequency: 50Hz / 60Hz Maximum Wind Speed: 35m/s |
Technical Parameter Table
Type | Unit | STCO-33/100 | STCO-33/200 |
Rated Voltage | KV | 33 | 33 |
Rated Current | A | 100 | 200 |
Breaking Current | KA | 6 | 8 |
Impulse Voltage (BIL) | KV | 170 | 170 |
Power Frequency withstand Voltage | KV | 70 | 70 |
Creepage Distance | MM | 660 | 660 |
Weight | KGS | 15 | 15.5 |
Dimension | CM | 56x38x14.5 | 56x38x14.5 |