AC-DC Inverter DC24V to AC110-220V

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1. Application

AC/DC inverter is designed for switching DC24V to AC110-220V. They can be usedoutdoors or on home appliance as emergency power. Usually, cord with AC powersocket and the DC power cord with DC battery. When the load connects to the DCpower cord with DC power, if the commercial power falls, the inverter will convert thebatttery voltage to AC voltage and go on supplying. When the commercial power restall,the inverter will switch to charge the battery by itself. When the battery is fully charged,it will stop automatically.

2. Feature
AC voltage available for AC 100V, 110V, 120V, 220V, 230V or 240V at request.Each unit contains two AC sockets available for two pin plugs.Automatic function change for inverter or batttery charge.Selective 4 AC voltage for each unit, such as when AC 110V, it will be available for AC110V, 120V, 130V and 140V.Different led indicator for function of inverter and charger.Each unit contain a AC cord for AC input voltage besides.Model ZUP-300 and ZUP-300A unit contains an extra power cord for DC battery.Products applicable for:
A. Personal computer.
B. Various video/audio equipment. (TV, casset, tape record, etc.)
C. Small motor equipment.
D. Various lighting equipment. Protection:
a. Protection for short circuit and polarity reverse of battery.
b. Overload fuse protection for charging current, input voltage and output voltage.

3. Specification

TypeDC VoltageCapacityCharging Current
ZUP-300VADC12V, 24Vmax.300Wmax.25A
ZUP-500VADC12V, 24Vmax.500Wmax.35A
ZUP-1000VADC12V, 24Vmax.1000Wmax.35A
ZUP-1500VADC12V, 24Vmax.1500Wmax.45A
ZUP-2000VADC12V, 24Vmax.2000Wmax.60A
ZUP-3000VADC24V, 48Vmax.3000Wmax.90A
ZUP-5000VADC24V, 48Vmax.5000Wmax.150A
Two outlets are incorporated for the simultaneous use of both the 110V and 220V outlets.The sockets are of a type that is capable of accepting two different types of plugsprongsand blades of two different forms.Built-in overload protection circuit and overdischarge protection circuit.

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Q:What is the difference between transformer MVA and KVA?
They are megawatts and kVA Unit (power in the power of S units) Megawatts 1 MVA = 1 thousand KVA Megawatt and kVA KVA = 1000W, trillion volts = 10 of the 6th power W
Q:What is the critical load of the economic operation of the transformer?
In order to increase the amount of active loss caused by the active loss of the system in the power system, a conversion factor is introduced, that is, the reactive power economic equivalent. Reactive power economic equivalent, is that the power system to send 1kvar reactive power, the power system will increase the number of active power loss kw, the symbol kq, unit kw / kvar. This kq value and the power system capacity, structure and calculation of the specific location and other factors. For the factory substation, reactive power economic equivalent kq = 0.02 ~ 0.15; Kq = 0.05 ~ 0.08; for the three or more transformer factory, take kq = 0.1 ~ 0.15 ~ 0.04; for the two-stage transformer factory, take kq = The
Q:Why is the transformer coil insulation?
Insulation grade refers to the heat resistance of the insulation material used, divided into A, E, B, F, H grade. Allowable temperature rise is the limit of the temperature of the motor compared to the ambient temperature. Insulation temperature Class A Class E Class B Class F Class H Maximum allowable temperature (° C) 105 120 130 155 180 Winding temperature limit (K) 60 75 80 100 125 Performance reference temperature (° C) 80 95 100 120 145 Generators and other electrical equipment, the insulation material is the most weak link. Insulation material is particularly susceptible to high temperature and accelerated aging and damage. Different insulation materials have different heat resistance, the use of different insulation materials, electrical equipment, the ability to withstand high temperatures are different. So the general electrical equipment is specified in the maximum temperature of its work. According to the different insulation materials to withstand the high temperature of its ability to set the maximum allowable temperature of seven, according to the temperature size were: Y, A, E, B, F, H and C. Their allowable operating temperatures are: 90,105,120,130,155,180 and 180 ℃ above. Therefore, Class B insulation indicates that the insulation temperature of the generator used is 130 ° C. The user should ensure that the generator insulation does not exceed the temperature during operation of the generator to ensure proper operation of the generator. Insulation class for the B-class insulation material, mainly by the mica, asbestos, glass fiber by the organic glue or impregnated from. Commonly used B-class insulation materials are PVC glass fiber casing (yellow wax tube), 6520 composite paper, DMD insulation paper.
Q:Transformer depreciation period is not specified?
Article 60 In addition to the provisions of the financial and taxation departments of the State Council, the minimum years for calculating depreciation shall be as follows: (A) houses, buildings, for 20 years; (B) aircraft, trains, ships, machinery, machinery and other production equipment for 10 years; (C) with the relevant utensils, tools, furniture, etc., for 5 years; (D) aircraft, trains, ships other than the means of transport for 4 years; (E) electronic equipment for 3 years. Tax law and the provisions of the age is basically the same is not a big difference, but the provisions of the tax law more intuitive Your company can choose according to the above I think is (b) The above is the minimum depreciation period stipulated by the enterprise. The enterprise can choose the appropriate depreciation period according to the actual situation (not lower than the minimum standard stipulated in the tax law). But not to say that the enterprise can arbitrarily extend the depreciation period according to the "hundred years" requirement to depreciate because it is compensation tax The shortest possible time to recover the expenditure to enhance the taxpayer's operating capacity
Q:What are the ways of protecting the transformer?
First, the gas protection: to protect the transformer internal short circuit and oil surface failure. Second, differential protection, current quick-break protection: to protect the transformer winding or lead-out phase of the phase-to-phase short circuit, large ground current system grounding short circuit and winding turn short circuit. Third, over-current protection: to protect the external phase short circuit, and as a gas protection and differential protection (or current quick-break protection) backup protection. Four, zero sequence current protection: protection of large ground current system external single-phase ground short circuit. 5, overload protection: to protect the symmetrical overload, only acting on the signal. Six, over-excitation protection: to protect the transformer over-excitation does not exceed the allowable limit.
Q:From the variable ratio to determine whether the transformer is boost or buck
110 / 11KV is a step-down transformer. 110 / 10.5KV is a step-down transformer. 121 / 10.5KV is a step-up transformer. Consider the line pressure drop, the state provides a transformer primary winding rated voltage and secondary winding rated voltage.
Q:The difference between the reflection impedance of the ideal transformer and the hollow core transformer is different.
The ideal transformer reflection impedance is the equivalent impedance of the load resistance equivalent to both ends of the primary coil, directly across the primary coil at both ends, in parallel with the primary circuit, and the nature of the reflection impedance and load impedance of the same nature.
Q:Proteus transformer how to adjust the parameters, the 220V into 14V output.
2, in the Proteus simulation diagram, double-click the transformer symbol, open the transformer parameter settings dialog box, which                 Primary Inductance 1H (set: can be fixed)                 Secondary Inductance 0.00406H (set by press)
Q:220V to 12V transformer L N + V + V on behalf of what? The more detailed the better! Thank you prawn
L FireWire N zero line + V output voltage 0 output midpoint
Q:2500KVA transformer rated current 3608A, how much can be overloaded current?
Ventilated good circumstances, you can temporarily overload 300A.

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