| MODEL | 4KW | 6KW |
| Input Voltage Waveform | Sinusoidal (utility or generator) | |
| Nominal Input Voltage | 230Vac | |
| Low Loss Voltage | 170Vac+-7V(UPS); 90Vac+-7V(Appliances) | |
| Low Loss Return Voltage | 180Vac+-7V(UPS); 100Vac+-7V(Appliances) | |
| High Loss Voltage | 280Vac+-7V | |
| High Loss Return Voltage | 270Vac+-7V | |
| Max AC Input Voltage | 300Vac | |
| Nominal Input Frequency | 50Hz/60Hz(Auto detection) | |
| Low Loss Frequency | 40+-1Hz | |
| Low Loss Return Frequency | 42+-1Hz | |
| High Loss Frequency | 65+-1Hz | |
| High Loss Return Frequency | 63+-1Hz | |
| Output Short Circuit Protection | Circuit Breaker | |
| Efficiency(Line Mode) | >95%(Rated R load, battery full charged) | |
| Transfer Time | 10ms typical(UPS); 20ms typical(Appliances) | |
Table 2 Inverter Mode Specifications
| MODEL | 4KW | 6KW |
| Rated Output Power | 4KVA/4KW | 6KVA/6KW |
| Output Voltage Waveform | Pure Sine Wave | |
| Output Voltage Regulation | 230Vac+-10% | |
| Output Frequency | 50Hz | |
| Peak Efficiency | 93% | |
| Overload Protection | 5s@≥110%load;10s@105%~110%load | |
| Surge Capacity | 2*rated power for 5 seconds | |
| Max. AC Output Current | 30Amp | 40Amp |
| Nominal DC Input Voltage | 24Vdc | 48Vdc |
| Cold Start Voltage | 23.0Vdc | 46.0Vdc |
| Low DC Warning Voltage @load<50% @load≥50% | ||
| 23.0Vdc | 46.0Vdc | |
| 22.0Vdc | 44.0Vdc |
| Low DC Warning Return Voltage @load<50% @load≥50% | ||
| 23.5Vdc | 47.0Vdc | |
| 23.0Vdc | 46.0Vdc | |
| Low DC Cut-off Voltage @load<50% @load≥50% | ||
| 21.5Vdc | 43.0Vdc | |
| 21.0Vdc | 42.0Vdc | |
| High DC Recovery Voltage | 32Vdc | 62Vdc |
| High DC Cut-off Voltage | 33Vdc | 63Vdc |
| No Load Power Consumption | <40W | <55W |
Table 3 Charge Mode Specifications
| Utility Charging Mode | ||
| MODEL | 4KW | 6KW |
| Charging Current(UPS) @Nominal Input Voltage | 100Amp(@Vi/p=230Vac) | |
| Floating Charging Voltage | 27Vdc | 54Vdc |
| Charging Algorithm | 3-Step | |
| Bulk Charging Voltage | Flooded Battery | 29.2 | 58.4Vdc |
| AGM/Gel Battery | 28.2 | 56.4Vdc |
| Solar Input | ||
| MODEL | 4KW | 6KW |
| Max.PV Array Power | 5000W | 6000W |
| Max.PV Current | 27A | |
| Nominal PV Voltage | 320Vdc | 360Vdc |
| Start-up Voltage | 60Vdc+-10Vdc | |
| PV Array MPPT Voltage Range | 60Vdc~450Vdc | |
| Max.PV Array Open Circuit Voltage | 500Vdc | |
| Max Charging Current(AC charger plus solar charger) | 120Amp |
| MODEL | 4KW | 6KW |
| Operating Temperature Range | -10ºC to 50ºC | |
| Storage temperature | -15ºC to 60ºC | |
| Humidity | 5% to 95% Relative Humidity(Non-condensing) | |
| Dimension(D*W*H), mm | 119*313.6*457.5 | |
| Net Weight, kg | 10 | 12 |
FAQ
Q1: Is the output voltage of our inverter stable ?
A: Absolutely. Our inverter is designed with a good regulator circuit. You can even check it when measuring the true value by a multimeter.
Q2: What should be noticed when installing inverter?
A: Put the product in a place where is well ventilate,cool, dry and water-proof. Do not stress or put foreign objects into the inverter. Remember to turn on the inverter before turn on the appliance.
Q3: Can I get some samples for test?
A: Yes, sample order is available for quality check and market test .
Q4: Do you accept OEM/ODM ?
A:Yes, we accept OEM/ODM with your authorization.
Q5: How is delivery time?
A: Generally it takes 5-10 days for regular type , for big quantity or OEM/ODM orders, pls negotiate with sales.
Q6: What's your payment terms?
A: We accept T/T, L/C, WEST UNION, ALI TRADE ASSURANCE, cash.
Q7: What's your warranty time?
A: We offer 18 months warranty service, life time technique support.
Q8: How does your factory do the quality control?
A: Quality is our culture. We have strict quality control department to supervise each link from assembling to shipping.
Q9: How can I trust you ?
A: CKMINE has 16 years' experience in producing inverters, we have passed ISO9001 management system and got CE, CCC certificates. Assessment reports can be sent anytime if you require.
