
Outdoor Drop Out Fuse
Description
Technical Parameters
Gaodian Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of outdoor drop out fuse in China. With abundant experience, we warmly welcome you to buy advanced outdoor drop out fuse made in China here from our factory. We also accept customized orders.
High-Voltage outdoor drop out fuse is a core protection device for distribution transformers high voltage side and overhead lines. This polymer fuse cutout provides reliable protection against overloads and short circuits.
Technical Specifications
We provide a range of voltage and current ratings to meet specific requirements.
|
NO. |
MODEL |
Rated voltage(kV) |
Rated Continuous current(A) |
Breaking current(kA) |
Creepage distance(mm) |
Power frequency wet withstand voltage(kV) |
BIL(kV) |
|
1 |
HRW-15/100 |
15 |
100 |
8 |
420 |
45 |
110 |
|
2 |
HRW-27/100 |
27 |
100 |
6.3 |
600 |
60 |
125 |
|
3 |
HRW-38/100 |
38 |
100 |
6.3 |
1080 |
75 |
170 |
|
4 |
HRW-15/200 |
15 |
200 |
12.5 |
420 |
45 |
110 |
|
5 |
HRW-27/200 |
27 |
200 |
10 |
600 |
60 |
125 |
|
6 |
HRW-38/200 |
38 |
200 |
8 |
1080 |
75 |
170 |
Key Advantages

Polymer Insulator sheds
Consisted with Our Silicon rubber sheds feature a design for big creepage distance and hydrophobicity, resistance to environmental pollution.

Extinction Tube
The structure of tube ensures fast arc extinguishing and maintains mechanical strength, even after multiple operations.

Smooth drop-out
The toggle-joint and spring-loaded lower mechanism are engineered for a smooth "drop-out" action. It provides a clear visual indication.

Heavy-Duty Conductive System
All contact surfaces are silver-plated Copper/Brass. The contacts maintain low resistance and high conductive efficiency.
Product structure
| Insulation Type |
Composite Insulator (HTV Silicone Rubber) |
| Top Cap |
Hot-Dip Galvanized To A Thickness Of 86ΜM Or More; Base Material Thickness: 3mm |
| Upper Contact Blade |
Silver-Plated To 3ΜM; Base Material Thickness: 2mm |
| Upper Moving Contact, Lower Bushing, Lower Support |
Brass |
| Fuse Tube |
Glass Fiber Reinforced Epoxy Tube |
| Trip Hook & Retaining Tab |
Brass |
| Pressure Relief Cap |
Silver Plated |
| Terminal, Contact Plate |
Silver Plated High Purity Copper |
| Spring |
Stainless Steel |
Why Choose Polymer Over Porcelain?
We use high-grade polymer (silicone rubber over FRP fiberglass rod) instead of traditional porcelain
- 70–80% lighter - easier to carry, install, and replace on poles
- Shock & impact resistant - won't crack or break from vibration, or minor bumps
- Great weatherproofing - UV-stable, waterproof, and stays hydrophobic (repels water) even after years outside
- Low maintenance - doesn't need regular cleaning
- Anti-corrosion hardware - hot-dip galvanized steel parts guarantee the corrosion resistance
Our workshops and testing facilities

Packing & Shipping
Delivery method: By sea or by air if needed
We use reinforced export-grade packaging with exceptional shock absorption. Designed for the rigors of international transit, our crates and cartons provide a shield against collisions, moisture, and mechanical stress during sea and land transport.

FAQ
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