Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the MEAN WELL RD-65A Dual Output Switching Power Supply. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 0: MEAN WELL RD-65A Dual Output Switching Power Supply.
The RD-65A is a 66W dual output power supply designed for various electronic applications, providing stable 5V and 12V DC outputs.
Продукт өзгөчөлүктөрү
- Универсалдуу AC киргизүү / Толук диапазон
- Коргоо: Кыска туташуу / Ашыкча жүктөө / Ашыкча томtage
- Эркин аба конвекциясы менен муздатуу
- Күйгүзүү үчүн LED көрсөткүч
- 100% толук жүктөө күйгүзүү сыноо
- Бардыгы 105 ° C электролиттик конденсаторду колдонушат
- 300VAC толкун киргизүүгө 5 секунд туруштук берет
- 70 ° C чейин жогорку иш температурасы
- 5G титирөө сынагына туруштук
- Жогорку натыйжалуулук, узак өмүр жана жогорку ишенимдүүлүк
- 3 жыл кепилдик
Техникалык шарттар
Output Characteristics (RD-65A)
| Output Number | CH1 | CH2 |
|---|---|---|
| DC Voltage | 5V | 12V |
| Номиналдуу ток | 6A | 3A |
| Учурдагы диапазон | 0.3 - 6А | 0.2 - 3А |
| Номиналдуу кубаттуулук | 66 Вт | |
| Ripple & Noise (макс.) | 120mVp-p | 120mVp-p |
| Тtage ADJ. Range | CH1: 4.75 - 5.5V | |
| Тtage Сабырдуулук | ±2.0% | ±6.0% |
| Линияны жөнгө салуу | ±0.5% | ±1.0% |
| Жүктөө регламенти | ±1.0% | ±3.0% |
| Орнотуу, Rise Time | 500ms, 20ms/230VAC; 1200ms, 20ms/115VAC толук жүктөөдө | |
| Hold Up Time (typ.) | 80ms/230VAC; 14ms/115VAC толук жүктөөдө | |
Киргизүү мүнөздөмөлөрү
| Мүнөздүү | Нарк |
|---|---|
| Тtage Диапазон | 88 ~ 264VAC; 125 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage) |
| Жыштык диапазону | 47 ~ 63Hz |
| Натыйжалуулук (тип.) | 78% |
| AC агымы (тип.) | 2A/115VAC; 1.2A/230VAC |
| Катуу ток (тип.) | COLD START 40A / 230VAC |
| Ачуу ток | <2мА / 240VAC |
Коргоо
| Type | Description |
|---|---|
| Ашыкча жүктөө | 105 ~ 160% rated output power. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
| Voltage | CH1: 5.75 ~ 6.75V. Protection type: Hiccup mode, recovers automatically after fault condition is removed. |
Environmental & Safety
| Мүнөздүү | Нарк |
|---|---|
| Иштөө Темп. | -25 ~ +70°C (Refer to "Derating Curve") |
| Иштөө нымдуулугу | 20 ~ 90% RH конденсатсыз |
| Сактоо температурасы, нымдуулук | -40 ~ +85°C, 10 ~ 95% RH |
| Temp. Коэффициент | ±0.03%/°C (0 ~ 50°C) on 5V output |
| Вибрация | 10 ~ 500Гц, 5G 10мин./1цикл, мезгил 60мин. ар бири X, Y, Z огу боюнча |
| Коопсуздук стандарттары | UL60950-1, TUV EN60950-1 approved |
| Туруктуу Voltage | I/P-O/P:3KVAC; I/P-FG:1.5KVAC; O/P-FG:0.5KVAC |
| Изоляцияга каршылык | I/P-O/P, I/P-FG, O/P-FG: >100M Ohms / 500VDC / 25°C / 70% RH |
| EMI Emission | EN55022 (CISPR22) класс B, EN61000-3-2,-3 ылайык келүү |
| EMI Immunity | Compliance to EN61000-4-2,3,4,5,6,8,11, EN61000-6-2 (EN50082-2), heavy industry level, criteria A |
| MTBF | 265.9Khrs min. MIL-HDBK-217F (25°C) |
Физикалык өлчөмдөр
- Элементтин өлчөмдөрү L x W x Y: 5.08 x 3.86 x 1.5 дюйм (129 x 98 x 38 мм)
- Элемент Салмагы: 5 Grams (Note: This weight seems unusually low for a power supply of this type. Please verify with product packaging.)
- Таңгактоо: 0.7 кг; 20шт/14.7кг/1.72CUFT
Орнотуу жана орнотуу
Механикалык орнотуу
The power supply should be mounted in a location that allows for adequate air circulation for cooling. Refer to the mechanical drawing for dimensions and mounting hole positions.

Figure 1: Mechanical dimensions and mounting points for the RD-65A power supply. Dimensions are in millimeters.
Ensure the power supply is securely mounted to prevent movement or vibration during operation.
Зымдарды туташтыруу
Connect the input and output wires according to the terminal pin assignments. Ensure all connections are secure and properly insulated to prevent short circuits.
| PIN No. | Дайындоо | PIN No. | Дайындоо |
|---|---|---|---|
| 1 | AC / L | 4,5 | DC OUTPUT COM |
| 2 | AC / N | 6 | DC OUTPUT +V2 |
| 3 | FG | 7 | DC OUTPUT +V1 |
Киргизүү байланыштары:
- Connect the AC Live wire to Pin 1 (AC/L).
- Connect the AC Neutral wire to Pin 2 (AC/N).
- Connect the Frame Ground (FG) to Pin 3. This connection is crucial for safety.
Чыгуу туташуулары:
- Connect the common ground for DC outputs to Pins 4 and 5 (DC OUTPUT COM).
- Connect the +12V DC output to Pin 6 (DC OUTPUT +V2).
- Connect the +5V DC output to Pin 7 (DC OUTPUT +V1).
Note: Always ensure the power supply is disconnected from the AC mains before making any wiring connections.
Иштөө нускамалары
Once the power supply is correctly installed and wired, it is ready for operation. The RD-65A is designed for continuous operation within its specified limits.
Күйгүзүү/өчүрүү
Connect the AC input to a suitable power source. The LED indicator on the unit will illuminate, indicating that the power supply is active and providing output voltage.
To turn off the power supply, disconnect the AC input from the power source.
Блок диаграммасы бүттүview

Figure 2: Internal block diagram of the RD-65A power supply.
The block diagram illustrates the internal functional stages:
- Электроэнергия чыпкасы: Reduces electromagnetic interference from the AC input.
- Rectifiers & Filter: Converts AC input to DC voltage.
- Power Switching: High-frequency switching to regulate the output voltage.
- Контролдоо: Monitors and regulates the output, including Over Load Protection (O.L.P.) and Over Voltage Protection (O.V.P.) circuits.
- Output Rectifiers & Filter: Converts the switched voltage back to stable DC outputs (+V1, +V2, COM).
The power supply is designed to operate efficiently and reliably within its specified load and environmental conditions.
Deating Curve
The derating curve indicates the maximum permissible output load as a function of ambient temperature and input voltage. Operating the power supply within these curves ensures optimal performance and longevity.

Figure 3: Output Derating Curve vs. Ambient Temperature and Input Voltage.
- Ambient Temperature Derating: As the ambient temperature increases, the maximum allowable output load decreases. Ensure adequate ventilation to maintain the temperature within safe operating limits.
- Киргизүү көлөмүtage Derating: The power supply can deliver full rated power across its specified input voltage range. However, for prolonged operation at the lower end of the input voltage range, it is advisable to refer to the input voltage deating curve.
Exceeding these limits can lead to reduced lifespan or damage to the unit.
Коопсуздук чаралары
To ensure safe operation and prevent damage to the power supply or connected equipment, observe the following precautions:
- Электр коопсуздугу: Always disconnect the AC input power before performing any installation, wiring, or maintenance. Ensure proper grounding (FG) is established.
- Вентиляция: Do not obstruct the ventilation holes. Ensure sufficient airflow around the unit to prevent overheating.
- Курчап турган чөйрө: Operate the power supply within the specified temperature and humidity ranges. Avoid exposure to moisture, dust, and corrosive substances.
- Жүктөө жөндөмдүүлүгү: Do not exceed the rated output power or current for each channel. Overloading can trigger protection mechanisms or cause damage.
- Коргоо өзгөчөлүктөрү: The unit includes short circuit, overload, and over voltage protections. While these protect the unit, continuous triggering of these protections should be avoided. Investigate and resolve the cause of any protection activation.
- Квалификациялуу кадрларды: Орнотуу жана тейлөө квалификациялуу кызматкерлер тарабынан гана аткарылышы керек.
Проблемаларды чечүү
If the power supply is not functioning as expected, consider the following common issues and solutions:
- No Output Voltage / LED Off:
- AC киргизүү кубаты туташкан жана активдүү экенин текшериңиз.
- Киргизилген томду текшериңизtage белгиленген диапазондо (88-264VAC).
- Inspect input fuses (if external).
- Output Voltage Fluctuating or Low:
- Ensure the load connected does not exceed the rated output current or power.
- Check for loose wiring connections at the output terminals.
- Verify the ambient temperature is within the operating range and ventilation is adequate.
- Unit Shuts Down:
- This may indicate activation of overload or over voltage protection. Disconnect the load and re-apply power. If it operates normally, the issue is with the load.
- Чыгуу зымдарында же туташкан аспапта кыска туташууларды текшериңиз.
- Ensure the unit is not overheating due to insufficient ventilation or high ambient temperature.
If the problem persists after checking these points, contact qualified service personnel or MEAN WELL support.
Техникалык тейлөө
The MEAN WELL RD-65A power supply is designed for long-term, reliable operation with minimal maintenance. However, periodic checks can help ensure its longevity:
- Тазалоо: Periodically clean the exterior of the unit to prevent dust accumulation, especially around ventilation openings. Use a soft, dry cloth. Do not use liquid cleaners.
- Туташуу текшерүүлөрү: Occasionally inspect all wiring connections for tightness and signs of corrosion or damage.
- Экологиялык мониторинг: Иштөө чөйрөсү белгиленген температура жана нымдуулук чегинде сакталышын камсыз кылыңыз.
No user-serviceable parts are inside. Do not attempt to open or repair the unit yourself. Refer all servicing to qualified personnel.
Кепилдик жана колдоо
The MEAN WELL RD-65A Dual Output Switching Power Supply is generally covered by a 3 жылдык кепилдик from the date of purchase, ensuring high quality and reliability.
For technical support, warranty claims, or service inquiries, please contact your authorized MEAN WELL distributor or reseller. Provide your product model number (RD-65A) and purchase details when seeking assistance.
For more information, you may visit the official MEAN WELL webсайт.





