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3 phase 380VAC natural cooling rectifier Module 110VDC 20A& 40A; 220VDC 10A&20A
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3 phase 380VAC natural cooling rectifier Module 110VDC 20A& 40A; 220VDC 10A&20A

Views: 0     Author: Site Editor     Publish Time: 2026-01-05      Origin: Site

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RM series intelligent high-frequency switching power supply is specifically designed for power systems. The module employs the world-leading "resonant voltage-type dual-loop control resonant switching power supply technology," offering advantages such as natural cooling, compact size, lightweight design, high efficiency, and exceptional reliability. The product line includes two major series (220V and 110V) with over a dozen variants, equipped with a standard RS-485 interface for seamless integration with automation systems. It is suitable for various substations, power plants, and hydro-power stations.


Features:


  • 3 phase AC input ;

  • High efficiency, above 93% reduces power consumption for lower operating costs;

  • Remote monitoring through RS485;

  • Microprocessor based;

  • Alarm and status indication LED;

  • Power factor ≥0.94;

  • Built in DC output isolation diode ;

  • Hot pluggable facilitates future extensions;

  • Max parallel modules up to 16pcs in one system;

  • Light weight and compact;

  • Natural cooling;

  • Multiple protection:Over current, over voltage,short circuit, overheat protection etc.


3 phase 380VAC natural cooling rectifier Module 110VDC 20A& 40A; 220VDC 10A&20A

           Model                

RM22010NC-D

RM11020NC-D

RM22020NC-D

RM11040NC-D

Output (A)

10

20

20

40

Power (KW)

3

6

Weight (kg)

≤9

≤16

Cooling-down method

natural cooling

Internal radiator temperature rise

≤50℃

Input voltage range (VAC)

least value

304

323


representative value

380

380


crest value

456

437

Adjustable range (VDC) output

least value

176

88

176

88


representative value

220

110

220

110


crest value

300

150

300

150

Regulation accuracy

±0.5%

Steady flow accuracy

±1%

Input power factor

≥0.93

Charger efficiency

≥93%

Maximum audible noise (dB)

55

Storage temperature (℃)

least value

-40


representative value

25


crest value

60

Working environment temperature (℃)

least value

-10


representative value

25


crest value

40

Unbalanced flow rate

≤±3%

Delay (seconds)

3~8

Ripple factor

≤1%

Grade of load

Continuous operation at rated output current of Level Ⅰ (100%)

Automatic rate limiting

When the output current exceeds the set current limit, the system outputs a constant current without increasing the current.

Overvoltage protection

The output will automatically stop if the voltage exceeds 320±16VDC (160±8VDC) to prevent equipment damage.

Output short-circuit protection characteristics

The module automatically protects itself against damage during output short circuits and resumes operation after fault resolution.

Note: The voltage regulation accuracy excludes the effect of the built-in isolation diode.































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