Drop-out fuse cutout is an outdoor used HV protective device. To be connected with incoming feeder of distribution transformer or distribution lines, it is composed of insulator supports and fuse tube, static contacts is fixed on two sides of insulator supports and moving contact is installed on two ends of fuse tube. Fuse tube is composed of inside arc-extinguishing tube.
We offer the following types:
| Type | Rated Voltage(kN) | Rated Current(A) | Breaking Current(A) | Impulse Voltage Bil(A) | Power-frequency Withstand Voltage(KV) | Creepage Distance(mm) | Weight(kg) |
| 10-15KV | |||||||
| THRW-12A | 12 | 100 | 10000 | 110 | 45 | 380 | 3.5 |
| THRW-12B | 12 | 200 | 12000 | 110 | 45 | 380 | 3.5 |
| 10-15KV | |||||||
| THRW-24A | 27 | 100 | 6000 | 150 | 65 | 620 | 4.3 |
| THRW-24B | 27 | 200 | 8000 | 150 | 65 | 620 | 4.3 |
| 33-36KV | |||||||
| THRW-33A | 33 | 100 | 6000 | 185 | 75 | 1100 | 5.8 |
| THRW-33B | 33 | 200 | 8000 | 185 | 75 | 1100 | 5.8 |
Service conditions:
Environment temperature: -40℃~+40℃
Relative humidity: daily average value not more than 95%,on average less than 90%
The location of on more than 1000m altitude(high altitude type not more than 3000m);
Wind speed not more than 34m/s;
Ice cover thickness not more than 20mm;
Installation site should be no fire and explosion danger,chemical corrosion and violent cibration.