33kV drop out fuse is an outdoor protective switching device designed for medium-voltage overhead distribution networks. It provides reliable over-current and short-circuit protection for feeders, branch lines, and the high-voltage side of distribution transformers.
Built to withstand harsh outdoor conditions, the 33kV drop out fuse offers high mechanical strength, strong anti-pollution performance, and long-term operational stability. It is widely used by utilities and contractors to enhance system protection, improve reliability, and reduce maintenance downtime.
Model: RW-33/100, RW-33/200, RW-33/400
Rated voltage: 33kV
Rated current: 100A/200A/400A
Breaking current: 6.3kA/10kA/12.5kA
Power frequency withstand voltage: 75kV
lmpulse voltage BIL: 175kV
Leakage distance: 825-1023mm
33kV Drop Out Fuse Specification
| Type model | Rated voltage (kV) | Rated current(A) | Breaking current(kA) | lmpulse voltage BIL(kV) | Power frequency withstand voltage (kV) | Leakage distance(mm/kV) | Material |
| RW–33/100 | 33 | 100 | 6.3 | 175 | 75 | 25–31 | Polymer/Porcelain |
| RW–33/200 | 33 | 200 | 10 | 175 | 75 | 25–31 | Polymer/Porcelain |
| RW–33/400 | 33 | 400 | 12.5 | 175 | 75 | 25–31 | Polymer/Porcelain |
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