Beijing Ding Ding Future Technology Co.Ltd
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The redundant Parallel Connection inverter is an inversion device that Converters 220Vdc Power Supplied by DC Power Supply into 220Vac 50Hz Sinusoidal AC Power. it is Designed with Complete Isolation of input and Allows Hot Plugging and Parallel Connection redundancy. it is a product specially designed for users with high requirements for power supply reliability and maintainability
| Product Form | Rated Power | 3KVA/2.4KW |
| Dimension | 19’’ 2 RU | |
| W482*H88*D390mm | ||
|
Input Parameters | DC Input | 220Vdc |
| DC Input Range | 185—285vdc | |
| Bypass Input Range | 176~264Vac | |
| Bypass Switchover time | 8-12ms | |
|
AC Output | Rated output Voltage | 220Vac |
| Frequency | 50Hz | |
| Load Adjustment Rate | <1% | |
| Frequency Accuracy | <0.1% | |
| Factor | 3:1 | |
| PF | Peaking@89% | |
| Waveform Distortion | Resistive full load <3%, Non Linear Full Load <5% | |
| Dynamic Response | Voltage Transition Range <3%,Transition Response Recovery time≤ 60ms(Load From 0~100) | |
| Current Non- Uniformity under Parallel Connection | <3% Effective Value of Rated Current | |
| Overload Capacity | Over Load Current<105%, Continuous Operation Over Load Current105~125%, Shutdown after 10 min Over Load Current 125~150%, Shutdown after 1 min Over Load Current>150%, Shutdown in 20ms | |
| Protection Function | Protection Against Opposite Connection of input, Input Under/over Voltage, Output Overload, Output Short Circuit, And Over Temp. | |
| Communication | Communication Interface | Rs485 & Dry Contact ,SNMP optional |
|
Ambient Environment | Dielectric Strength | 2KVA,1 Min |
| Noise(1m) | <45dB | |
| Ambient Temperature For Operation | -10~50℃ | |
| Ambient Temperature For Transport and Storage | -40~70 | |
| Relative Humidity | 0~90% ,without Condensation | |
| Relative altitude (M) | ≤ 3000m, At 1500 ~3000 Output Derating 1% for each 100m of Altitude increase | |
| Declaration of Conformity | LVD | EN IEC 62368-1:2020+A11:2020 |
| EMC | EN 55032:2015+A11:2020 EN 55035:2017+A11:2020 EN IEC 61000-3-2:2019 EN61000-3-3:2013+A12019 |
Solutions
We provide a complete solutions including site survey, propose professional plan according to customer’s request ,technical support, and maintenance service for Telecommunication Companies in and out of China. We have a competent team and a network of trusted Partners around the world.
FAQ :
1. How do you control the quality?
A:All products before the shipment are simulated usage scenarios, load and full load and current sharing test to ensure the quality of the product.
2. What is your minimum order quantity?
A:There is no minimum order quantity, and one can also be done. The only difference is the price and schedule.
3. Can you introduce your company?
A:I am very honored. I will send you the company’s introduction document later to give you a more comprehensive and direct introduction to our company’s information.
4. What are the advantages of your company?
A:Adequate inventory, and supply guarantee for the subsequent renewal of supply, flexible provided according to different to different needs of customers, providing different solutions.
5. Can i send samples?Report it to me along with the price?
A:You can send samples, the samples are subject to large pride, and the freight needs to be borne by you.
6. How do your company deal with the problem on quality?
A:Our company has been doing this industry for almost 10 years. It has already had a certain reputation. We will carefully analyze it. If it is indeed our quality problem, you can rest assured that it will do things according to the contract agreement and will never let you have any after the worries, our service team will be happy to serve you.
7 What about the quality ?
A:100% original with new package. we will test each item before posted to make sure each item with good quality.
8 How many months for guarantee ?
A: 1 year quality guarantee
9 How to deal with any inferior -quality goods ?
A: Goods can be post by with our charge of post fee for any bad quality products within guarantee time.