80 KVA Cast Resin Dry Type Transformer
Description
Technical Parameters
Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 80 kva cast resin dry type transformer in China, also supports customized service with low price. Welcome to buy discount 80 kva cast resin dry type transformer for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.
80 kVA Cast Resin Dry Type Transformer video
Product Introduction
Engineered with low flammability, these low voltage cast transformers are the ideal choice for safety-critical environments such as hospitals, shopping centers, and high-occupancy buildings. Their advanced design ensures reliable performance while minimizing fire risk, making them compliant with strict safety standards for public and commercial spaces.
Whether powering medical facilities requiring uninterrupted operation or bustling retail complexes with high energy demands, our epoxy resin transformers deliver efficient, low-maintenance power solutions tailored to your needs.
80 kVA dry type transformer Technical Specifications
frequency: 30, 60 hz
primary voltage: 480 volts
secondary voltage: 380 volts (with brought-out neutral)
connection: delta-wye
insulation: class h
core: high grade silicon
temperature rise: 150 degrees celsius
enclosure: nema 1 (indoor/ip10)
the meaning of the protection level of 80 kVA Cast Resin Transformer
The protection level of 80 kVA cast resin dry type transformers is specified by the IPXX rating (Ingress Protection), defined by international standards like IEC 60529. Here's a detailed breakdown of each component:
IP: Ingress Protection
The letters IP stand for "Ingress Protection," indicating the enclosure's ability to safeguard against:
Ingress of solid foreign objects (e.g., dust, tools, fingers).
Ingress of liquids (e.g., water, moisture, sprays).
First Digit (X1): Protection Against Solid Objects
The first digit (0–6) defines the level of protection against solid particles or human contact:
| Digit | Protection Level | Description |
|---|---|---|
| 0 | No protection | Allows unrestricted access to internal parts. |
| 1 | ≥50 mm solids | Prevents large objects (e.g., a hand) from touching live parts. |
| 2 | ≥12.5 mm solids | Blocks fingers or similar objects (e.g., a screwdriver blade). |
| 3 | ≥2.5 mm solids | Stops tools, wires, or small parts (e.g., a 2.5 mm diameter rod). |
| 4 | ≥1.0 mm solids | Prevents insects, thin wires, or small particles (e.g., a 1 mm wire). |
| 5 | Dust-protected | Limits dust ingress to a degree that does not interfere with operation (no complete seal). |
| 6 | Dust-tight | Totally prevents dust from entering (complete seal). |
Second Digit (X2): Protection Against Liquids
The second digit (0–9K) specifies resistance to liquid penetration:
| Digit | Protection Level | Description |
|---|---|---|
| 0 | No protection | No defense against water or liquids. |
| 1 | Vertical drips | Withstands vertical drops of water (e.g., condensation). |
| 2 | 15° inclined drips | Protects when tilted up to 15° from vertical (drips must not enter). |
| 3 | Spray up to 60° | Resists water sprayed at angles up to 60° from vertical (e.g., light rain). |
| 4 | Splashing water | Guards against water from any direction (e.g., rain, splashes). |
| 5 | Low-pressure jets | Withstands water jets from a nozzle (6.3 kPa pressure, 3 m distance). |
| 6 | Powerful water jets | Resists heavy seas or high-pressure water jets (100 kPa, 3 m). |
| 7 | Temporary submersion | Protected when submerged up to 1 meter for 30 minutes. |
| 8 | Continuous submersion | Designed for long-term submersion at a specified depth (e.g., underwater). |
| 9K | High-temperature/pressure jets | Withstands hot, high-pressure water sprays (80°C, 80–100 MPa, used in industrial cleaning). |
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What are the types of dry transformers?
Here are the main types of dry transformers (simply explained):
1.Cast Resin Dry Transformers
Windings in solid resin (e.g., epoxy).
Fire-resistant, low maintenance (used indoors: buildings, data centers).
2.Vacuum Pressure Impregnated (VPI) Dry Transformers
Windings coated with resin/varnish under vacuum.
Good heat dissipation (industrial use: factories).
3.Air-Cooled Dry Transformers
Cooled by natural/forced air.
Simple, low-cost (small-scale: homes, small buildings).
4.Oil-Free Dry Transformers
No oil (uses resin/varnish).
Safe for indoor use (hospitals, urban areas).
5.Pad-Mounted Dry Transformers
Enclosed for outdoor use (on concrete pads).
Weatherproof (outdoor power distribution).
6.Low-Voltage Dry Transformers
For low voltage (below 1 kV).
Power lighting/appliances (homes, shops).
7.High-Voltage Dry Transformers
For medium/high voltage (3–35 kV).
Industrial/renewable energy use (factories, solar farms).
8.Isolation Dry Transformers
Separate primary/secondary windings.
Reduce noise/safety risks (medical/IT equipment).
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