CNC Machines 70 KVA Transformer 3 Phase 380V Dry Type With Black
Enclosure
1. Quick Details
| Item | Dry type isolation transformer | Phase | Three phase |
| Model | SG-70KVA | Brand | Ewen/OEM/ODM |
| Capacity | 70KVA | Frequency | 50-60Hz |
| Primary voltage | 380V | Secondary voltage | 380V |
| Working efficiency | 98% | Voltage conversion accuracy | ±2% |
| Insulation class | F | Insulation resistance | ≥2 MΩ |
| Waveform | Sine wave | Dielectrical strength | 3000vac/min |
| Working temperature | -10~45℃ | Storage temperature | Less than 80℃ |
| Relative humidity | 20%~90% | Storage humidity | ＜90% |
| Working altitude | ＜3000m | Storage humidity | ＜5000m |
| Service life | 20 years | Size | 750*500*650mm |
| Cooling method | Air cooling | Connection mode | △/Y, Y/△, Y/Y etc. |
| Load-bearing capability | Thirty seconds for 1.2 times of rated capacity |
2. Product Features
New raw material: the components including core, silicon steel
sheet, wire, and other parts are all new material.
Low no-load power loss: the all new material facilitates lower
no-load power loss.
Full capacity: the rated capacity of this dry type isolation
transformer is 70KVA, which is 100% capacity.
Low noise: the noise of this transformer is very small, which is
less than 35db when it works.
Clear input and output display: the primary and secondary voltage
would be shown through analog meters.
Strong electricity conductivity: three windings of this 70KVA
transformer are made of copper, which improves the electricity
conductivity.
Customization acceptability: specific requirements are welcome. The
product could be customized according to your needs.
Stable performance: the transformer could work for a long time
constantly.
3. Usage and Maintenance
① When you receive the transformer, please check if the package is
intact or not.
② Then disassemble the wooden case and get the transformer out.
③ Check the outer appearance of the transformer.
④ Open the cabinet lock of the transformer and check the main body
of the transformer.
⑤ Power off and fix the transformer in a well-ventilated place.
⑥ Read users' manual carefully and notice the wiring indication on
the product lable.
⑦ Connect wires accordingly.
⑧ Check if the wiring is correct and then turn on the power.
⑨ After you use it for a period of time, dedust regularly and check
the main body and parts of the transformer to ensure its normal
work of the product.
4. FAQ
① How long is the lead time?
Normally it takes us five to twenty days to produce the product.
The lead time depends on the quantity and the requirements of the
product.
② What kind of certificates have you obtained?
We have obtained CE, ISO:9001 certificates already. And we are
trying to get more relevant certificates.
③ How long is the warranty?
It's one year since you receive the product.
