Varied High precision output programmable DC regulated power supply RA-20KW~RA-30KW Series For development testing / research

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product description

The RA series is a programmable DC regulated power supply with high precision output. It can be connected to a computer (PC) through the communication interface (RS-232/RS-485/network port) to meet the user's automatic test and automatic control. Aspect of the demand. This product has excellent accuracy, high precision and high stability. Data input is controlled by keyboard, knob and shortcut keys, which is fast, accurate and convenient. Can be widely used in electronic product development testing, laboratory testing and research units.



1, the LCD screen display, can fully display the status of the power supply

2, digital buttons and encoders two ways to adjust the output

3, standard RS232/RS485/ network port communication

4, programmable cycle mode

5, programmable slope curve

6, real-time waveform display (voltage, current, power, time)

7, clock display, timed events

8, can be customized PV mode, line resistance function and other personalized customization features.

9, temperature control fan


Can be customized according to customer needs, more can consult related sales engineers.


product model

model RA-V201000 RA-301000 RA-V50040 RA-V100020 RA-V80025 RA-V100250
DC output Voltage 0-20V 0-30V 0-500V 0-1000V 0-800V 0-100V
Current 0-1000A 0-1000A 0-40A 0-20A 0-25A 0-250A
model RA-V40500 RA-V50500 RA-V50600 RA-V80030 RA-V80040 RD-V50050
DC output Voltage 0-40V 0-50V 0-50V 0-800V 0-800V 0-500V
Current 0-500A 0-500A 0-600A 0-30A 0-40A 0-50A
model RA-V50060 RA-V100300 RA-V300100 RA-V100030 RA-V100250   RA-V250100
DC output Voltage 0-500V 0-100V 0-300V 0-1000V 0-100V  0-250V 
Current 0-60A 0-300A 0-100A 0-30A 0-250A   0-100A
AC input Three-phase 380V ± 10%
Output display LCD + digital button Four and a half digit display, accuracy ± 0.5% FS + 3 words
  Display format 00.000V-19.999V 000.00V-199.99V 0000.0V-1999.9V;00.000A-19.999A 000.00A-199.99A 0000.0A-1999.9A;
Output ripple Regulated state:≤0.3%+10mV (rms)
Regulated state:≤0.5%+10mV (rms)
Voltage setting and preset Rotary encoder / button
Current setting and preset Rotary encoder / button
Setting/reading accuracy V±(0.5% of reading +5mV)(25±5℃);I±(0.5% of reading +10mA)(25±5℃)
Interface function Standard RS232/RS485/network interface, optional analog control interface
Status Display Regulated CV, steady current CC, output OUT, overvoltage OV, over temperature OT, LOCK lock
Short circuit protection Constant current output when short circuit protection
Overvoltage/overcurrent protection The protection value is adjustable from 0% to 110%. After protection, the output is turned off and the power is turned off to unlock.
Temperature protection Built-in 0.T.P protection, protection value is 85 °C ± 5% (heat sink temperature), turn off the output after protection
Output polarity The output positive (+) and negative (-) can be grounded arbitrarily
Heat dissipation method Forced air cooling
Operating environment Indoor use design, temperature: 0 ° C ~ 40 ° C; humidity: 10% ~ 85% RH
Size and weight

20KW: 425*554*610mm (W*H*D), about 80kg

30KW: 505*804*688mm (W*H*D), about 100kg

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