High quality 3kva 3000VA dc ac 24v 220vac inverter 2400w ac dc welding machine inverter circuit board dc to ac converter

AC input startup available: the system could power on with the mains supply 220V input if there is no DC input;

Unattended operation: the system switches automatically to provide AC 220V to the load between the DC input and AC input;

Safety protection:  DC input polarity converse , over/low voltage, short-road, over-load, over temperature, and inverting malfunction;

Converse current control: not disturb other communication device in the same DC cabinet;

DC-dominated Mode:  the inverter is providing AC 220V to the load in normal, and automatically switches to by-pass AC 220V input if DC input fault occurs.

AC-dominated Mode: the inverter is stand by, the bypass is providing AC 220V to the load in normal, the load will switch to the inverter automatically if the bypass AC 220V input fault occurs;

Maintenance bypass is available for battery replacement:

5 groups passive dry contacts respectively for DC input fault, AC input fault, overload information, by-pass information and output fault ;(Standard configuration)

Independent RS232 and RS485 communication interfaces to monitor and manage the device in real time; (Standard configuration)

Support built-in TCP/IP interface to monitor and manage the device; (Optional)

Support built-in SNMP TCP/IP interface to monitor and manage the device (Optional).

Specification

Q1. Can I have a sample order?
A: Yes, sample order is acceptable to test and check quality for the first cooperation

Q2. What about the lead time?
A: Most of the model in the stock, sample lead time after receive payment 1-3 working days

Q3. Do you have any MOQ limit?
A: Low MOQ, 5 pieces for sample checking is available.

Q4. How do you ship the goods and how long does it take to arrive?
A: We often ship by DHL, UPS, FedEx, or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.

Q5. How to proceed with an order?
A: Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirm the samples and places deposit for formal order. Finally, We arrange production.

Q6. Is it acceptable to print the buyer logo on the product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: How to deal with the flaw?
A: Our products are produced in a strict quality control system and the percent of pass is often maintained over 99.8%.

Q8: Do you offer a guarantee for the products?
A: Yes, we offer a 1-year warranty for all power supply.

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