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CNC Machines 70 KVA Transformer 3 Phase 380V Dry Type With Black Enclosure

CNC Machines 70 KVA Transformer 3 Phase 380V Dry Type With Black Enclosure

3 phase dry type transformer

dry type power transformer

Place of Origin:

Shanghai, China

Brand Name:

Ewen Power/OEM/ODM


CE, ISO:9001

Model Number:


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Product Details
Item Name:
3 Phase Dry Type Isolation Transformer
Working Frequency:
Rated Capacity:
Insulation Class:
Primary Voltage:
380VAC Or Customized
Secondary Voltage:
380VAC Or Customized
Payment & Shipping Terms
Minimum Order Quantity
1 pc
Packaging Details
Standard Export Packaging
Delivery Time
5-20 days
Payment Terms
Supply Ability
300 pcs per Month
Product Description

CNC Machines 70 KVA Transformer 3 Phase 380V Dry Type With Black Enclosure


1.  Quick Details



Dry type isolation


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


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.

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