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Power Supply

Power Supply
Power Supply
Product Code : SDP-40KW
Brand Name : SANDI
Product Description

Since establishment, we have been playing a lead role in manufacturing and exporting Power Supply. We manufacture this equipment under the strict inspection of expert supervisors using best quality materials and components. It is used to supply AC voltage to all kinds of power tools, air conditioners, electric motors, refrigerators, fluorescent lights, televisions and electric fans. The equipment is provided with powerful data display and fault instruction function. We make available this Power Supply for clients in different specifications as per their requirements. Also, we offer this equipment at reasonable prices.

Power Supply

Sandi DC to AC inverter power supply is one of the most advanced DC to AC conversion products in the world, it has the main advantages of high quality sine wave AC output, microcomputer control, humanness design, and it is simple, stable, no noise and no pollution. It is suitable use for areas without electricity, vehicles, ships, solar energy, wind turbine etc. The inverter can also supply AC voltage to all kinds of power tools, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other power supply.

The inverter output waveform is pure sine wave; this kind of AC power is suitable for most industrial electronics and home appliances, the power supply features much better than other modified sine wave and square wave.

Technical Features:

1, Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. 

2, The output frequency can be set.

3, The output voltage can be set between +20 % to -40 % of rated voltage. 

4, The DC input voltage range (Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point) all can be set via the LCD panel.

5, Pure sine wave output. with good transient response less than 40MS, little harmonic distortion, higher conversion efficiency and stable output voltage.

6, Powerful data display and fault instruction function. LCD can display the DC input voltage, output frequency, phase voltage, phase current, AC bypass input voltage, output power KWH, time and date, temperature, fault code display.

7, Using the efficient IPM intelligent module from Japanese Mitsubishi, high efficiency and stable performance. It with powerful protection function for short circuit, over load, over temperature is more safe and reliable. Its service life can up to 15 years or more.

8, Have passed the European CE (EMC and LVD) certificates.


Technical Data
Model SDP-40KW
Isolation mode Low Frequency Transformer
DC Input Rated voltage (Vdc) 360V
Rated current 111A
AC Output Rated output power 40KW
Output waveform Pure Sine Wave
Rated Voltage 220V±3% 380VAC±3%
Phases Single phase 3 phase 4 wire
Rated current 182A 61A (phase current)
Frequency 50Hz or 60Hz
Rated output voltage range (V) 220/230/240/380/400/415VAC optional
Power Factor 0.9
Overload Ability 150%, 5 seconds
Efficiency >93%
Waveform distortion rate (THD) <3% Linear load
Dynamic Response (0 to 100% load) 5% 50ms
Display LCD
Running mode Working continuously
Electrical insulation properties 2000Vac, 1 Minute
Protection Function Protection Input reverse polarity, under voltage, overvoltage, output over-current, short circuit, overheating etc.
Cooling method Fan-cooled
Short-circuit protection No automatic recovery, need to restart the machine
Working environment Noise ( 1 meter) 50dB
Degree of protection IP20 indoor
Working Altitude 2000
Working temperature -25~+55℃
relative humidity 0~90% non-condensing
Mechanical dimension Depth* Width * Height 650x750x1100mm
Weight Kg 350Kg
Above parameter only for reference ,could be custom made to user specifications.


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