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High Voltage Drop Out Fuse RW12 Series - Reliable China Suppliers & Factory for Overload Protection
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
Cable Ejection System
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 (FAQ)
Q1: What is the maximum altitude limit for installing this equipment?
A1: The equipment should be installed at an altitude of not more than 2000 meters to ensure normal operation and rating specifications.
Q2: What is the ambient operating temperature range?
A2: The service conditions specify a maximum ambient temperature of +40°C and a minimum of -30°C.
Q3: What environmental hazards should be avoided at the installation site?
A3: The installation location must be free from explosion hazards, severe vibrations, and any conditions that cause significant corrosion to metals or insulating materials.
Q4: What materials are used for the structural components to prevent corrosion?
A4: All iron accessories are hot-dip galvanized with a thickness of over 80um, and stainless steel components are crafted from high-quality 304 stainless steel to ensure high corrosion resistance.
Q5: What makes the fuse tube durable for outdoor installations?
A5: The fuse tube is designed with UV-resistant and moisture-proof materials, ensuring high durability and a long service life under outdoor conditions.
Q6: Are there different material options for the precision-cast parts?
A6: Yes, there are two material options available for the precision-cast parts: brass or aluminum bronze.