50KW Inverter Three Phase Off-Grid Sine-Wave Solar Inverter
40KW 220V 240V 380V
Off Grid Pure Sine Wave Power Inverter-Off Grid Wind Solar System
Function Introduction:
1. using IGBT from Mitsubishi or Infineon company as the power components
2. using American ATEMEL company microprocessor as figure controller
3. perfect protection and warning functions
4. circuit frame compact, Max. Efficiency≥94%
5. with wide input voltage range
6. RS232/485 communication, multi communication interface can be selected
7. big-screen English LCD or LED, perfect display, interface-friendly
8. Isolate Trasnformers built-in, filtering and can supply inductive loads, water pumps, motors etc.
Technical parameters of 50KW Inverter Three Phase Off-Grid Sine-Wave Solar Inverter 40KW 220V 240V 380V
|
Type |
NB220-50KSZ |
NB240-50KSZ |
NB380-50KSZ |
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|
DC input |
Input rated voltage |
220Vdc |
240Vdc |
380 VDC |
|
Input rated current |
227A |
208A |
132 A |
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|
Input DC voltage range |
180-300 |
200-335 |
300-490VDC |
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AC input (AC Bypass) |
Allow input voltage range |
220 VAC / 380 VAC / 400 VAC ± 15% VAC |
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Input rated current |
139A / 76A / 72.5A |
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Bypass transfer time |
≤4 ms |
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AC output |
Rated capacity |
50KVA |
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Output rated power |
40KW |
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Output rated voltage and frequency |
220 VAC / 380 VAC / 400 VAC,50Hz / 60Hz |
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Output rated current |
139A / 76A / 72.5A |
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Output voltage accuracy |
220 VAC / 380 VAC / 400 VAC ± 2% |
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Output frequency accuracy |
50Hz / 60Hz ±0.05% |
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Waveform distortion (THD). |
≤3% |
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Dynamic response time |
5% |
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Power factor (PF) |
0.8 |
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Overload capacity |
120%,3 minutes,150%,10 second |
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Crest factor (CF) |
3:1 |
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Inverter efficiency |
90% |
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Working Environment |
Dielectric strength |
1500VAC,1minute |
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Noise (1m) |
≤50dB |
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Ambient temperature |
-10℃~+50℃ |
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Humidity |
0~90%,No condensation |
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Altitude |
≤5000 m |
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Pure Sine Wave |
Yes |
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Equipped with copper transformer |
Yes |
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If solar charger available |
Yes |
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AC Charger |
Optional |
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Production function |
Input reverse protection, input under-voltage protection, output overload protection, output short circuit protection, thermal protection |
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Size(mm) |
760*1400*1600mm |
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Weight(kg) |
550kg |
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Service guarantee
As our corporate users, you enjoy the following service:
(1) The machine warranty for free in 1 year;
(2) Technical support;
(3) Within 24 hours for respond after receiving notification;
(4) Cost maintenance forever.
When you confirm the failure of equipment, please promptly contact us and provide the equipment model and complete description of the problem.
However, any of the following situation happened, are not included in the warranty:
(1) Non-permitted by the company, went ahead with repair and damage;
(2) Install or modify arbitrarily;
(3) Incorrect operation or use;
(4) Do not depending on the manual to do cleaning or maintenance;
(5) Abnormal environment condition exceed the specifications, result in damage;
(6) The deliberate destruction of man-made;
(7) Irresistible natural disasters.
SHIPPING AND DELIVERY
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:| Location | *Estimated Shipping Time |
|---|---|
| United States | 10-20 Business days |
| Canada, Europe | 10-20 Business days |
| Australia, New Zealand | 10-30 Business days |
| Central & South America | 15-30 Business days |
| Asia | 10-20 Business days |
| Africa | 15-45 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
REFUNDS & RETURNS POLICY
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
- If you received the wrong item you can request a refund or a reshipment.
- If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
We do not issue the refund if:
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of Sunwind4all (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
