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China RW12 Series Drop Out Fuse - High Voltage Protection Device from Reliable Suppliers & Factory
Type and its meaning
Service conditions
a
Altitude: Not more than 2000m.
b
Ambient temperature: Max: +40°C, Min: -30°C.
c
The location should be free from explosion hazards, severe vibrations, and conditions that cause significant corrosion to metals or insulating materials.
Technical parameter
| Type | Rated voltage kV |
Rated current A |
Breaking current A |
Impulse voltage BIL |
Power frequency withstand voltage kV |
Creepage distance Um |
Weight KG |
Dimension cm |
|---|---|---|---|---|---|---|---|---|
| (H)RW12-12 | 12 | 100 | 1000 | 110 | 42 | 31.5 | 7.3 | 38.5 x 34.5 x 11 |
| (H)RW12-12 | 12 | 200 | 1200 | 110 | 42 | 31.5 | 7.3 | |
| (H)RW12-15 | 15 | 100 | 1000 | 110 | 42 | 31.5 | 7.3 | 38.5 x 34.5 x 11 |
| (H)RW12-15 | 15 | 200 | 1200 | 110 | 42 | 31.5 | 7.3 |
| Rated voltage (kV) |
BIL (kV) |
A (mm) |
B (mm) |
C (mm) |
D (mm) |
E (mm) |
FR (mm) |
Creepage distance (mm) |
Weight KG |
|---|---|---|---|---|---|---|---|---|---|
| 12(15) | 125 | 331.4 | 169.3 | 202.4 | 462.8 | 129.4 | 412.8 | 325.1 | 6.58 |
| 24(27) | 125 | 341.4 | 179.3 | 202.4 | 462.8 | 134.9 | 412.8 | 325.1 | 6.58 |
| 24(27) | 150 | 341.4 | 179.3 | 202.4 | 462.8 | 134.9 | 412.8 | 457.2 | 9.08 |
| 27(33) | 200 | 435.1 | 187.5 | 261.1 | 548.4 | 165.1 | 522.2 | 665.5 | 10.1 |
| 27(36) | 200 | 435.1 | 187.5 | 261.1 | 548.4 | 165.4 | 522.2 | 769.6 | 10.1 |
Outline structure and installation dimensions
1
Upper Terminal Block (Available in two types: tin-plated copper castings and silver-plated stamped parts).
2
Upper Cover (Made of high-quality 304 stainless steel with integrated terminal blocks).
3
Upper Contact Plate (Zinc-plated integrated terminal block) to enhance conductivity.
4
Upper Moving Contact (Surface plated with 3um silver, equipped with a 304 stainless steel spring capable of withstanding high pressure).
5
Tripping Hook (Specially designed hook to effectively guide the fuse tube into the closed position).
6
Fuse Tube (UV-resistant, moisture-proof, and long-lasting).
7
Trunnion (Surface plated with 3um silver, ensuring high precision and preventing lateral movement during closing).
8
Lower Moving Contact (Invisible) (Equipped with a 3um silver-plated shunt plate, providing a current path independent of the hinge pin).
9
res rapid separation at the ends and quick ejection of the cable strand).
10
High-Strength Insulator (Features self-cleaning properties, high strength, and excellent craftsmanship).
11
Base Terminal (Zinc-plated integrated lower terminal block).
Note: All iron accessories are hot-dip galvanized with a thickness of over 80um. Stainless steel components are made of high-quality 304 stainless steel. Precision-cast brass or aluminum bronze (two material options).
Frequently Asked Questions
What are the ambient temperature limits for operating this equipment?
The equipment is designed to operate safely within an ambient temperature range of -30°C (minimum) to +40°C (maximum).
What is the maximum altitude allowed for installation?
The installation location should have an altitude of not more than 2000 meters above sea level.
What environmental conditions should be avoided during installation?
The installation site must be free from explosion hazards, severe vibrations, and any conditions that could cause significant corrosion to metals or insulating materials.
What thickness is the hot-dip galvanizing for the iron accessories?
All iron accessories are hot-dip galvanized with a protective thickness of over 80um to ensure excellent corrosion resistance.
Are the stainless steel components rust-resistant?
Yes, all stainless steel components are manufactured from high-quality 304 stainless steel, which offers outstanding durability and rust resistance.
What features does the high-strength insulator offer?
The high-strength insulator is engineered with self-cleaning properties, high structural strength, and excellent craftsmanship to ensure reliable performance.