1. Введение
This user manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of the Mean Well RSP-3000-48 AC-DC Power Supply. Please read this manual thoroughly before using the product to ensure safe and efficient operation. Keep this manual for future reference.

Image: The Mean Well RSP-3000-48 AC-DC Power Supply unit, shown with its detailed technical specifications table.
2. Особенности
- Вход переменного тока: 180 - 264VAC
- Active Surge Current Limiting: Integrated for enhanced protection.
- Высокая эффективность: До 91.5%
- Функция активной коррекции коэффициента мощности: Power Factor (PF) greater than 0.95.
- Защиты: Includes Short Circuit, Overload, Over Voltage, Over Temperature, and Fan Alarm.
- Охлаждение: Forced air cooling via built-in DC fan with speed control function.
- Выход Voltage Trim: Adjustable between 20-110% of the rated output voltage.
- Высокая удельная мощность: Compact design for efficient power delivery.
- Текущий обмен: Supports up to 3 units for increased power capacity.
- Alarm Signal Output: Provides relay contact and TTL signal for status monitoring.
- Вспомогательный выход: Built-in 12V/0.1A auxiliary output for remote control.
- Дистанционное управление: Built-in remote ON-OFF control and remote sense function.
- Гарантия: 5 years manufacturer's warranty.
3. Настройка и установка
3.1 Меры предосторожности
- Ensure the power supply is disconnected from the AC mains before any installation or wiring.
- Установка должна выполняться только квалифицированным персоналом.
- Убедитесь, что входной объемtage range matches the power supply's specifications (180-264VAC).
- Правильное заземление необходимо для предотвращения поражения электрическим током.
- Do not operate the unit in environments exceeding its specified temperature and humidity limits.
3.2 Монтаж
The RSP-3000-48 is designed for panel mounting. Ensure adequate ventilation space around the unit to allow for proper airflow and heat dissipation. Mount the unit on a metal plate of sufficient thickness (e.g., 360mm x 360mm x 1mm) to meet EMC directives and ensure proper thermal management.
3.3 Подключение проводки
- Вход переменного тока: Connect the AC mains (Line, Neutral, Ground) to the designated input terminals. Use appropriate gauge wiring for the current rating.
- Выход постоянного тока: Connect the load to the DC output terminals (+V, -V). Observe correct polarity.
- Remote Sense (Optional): If remote sense is used, connect the +S and -S terminals to the load's positive and negative terminals, respectively, to compensate for voltage drop across the output cables.
- Remote ON/OFF Control (Optional): Connect external control signals to the designated terminals for remote power management. Refer to the function manual for detailed wiring.
- Auxiliary Output (Optional): The 12V/0.1A auxiliary output can be used for remote control circuits.
- Current Sharing (Optional): For parallel operation, connect the current sharing terminals of multiple units as per the function manual.
4. Инструкция по эксплуатации
4.1 Первоначальное включение
After completing all wiring connections and verifying safety precautions, apply AC power to the unit. The built-in fan will activate, and the output voltage should stabilize at the factory-set or previously adjusted level.
4.2 выходной томtagРегулировка е
Выходной объемtage can be trimmed between 20-110% of the rated output voltage (41-56V for 48V model) using an external control signal. Refer to the detailed function manual for specific instructions on how to implement this feature. Incorrect use of the Output Voltage TRIM function can damage internal components.
4.3 Мониторинг
The unit provides an alarm signal output for monitoring operational status. Consult the function manual for details on interpreting these signals.
5. Техническое обслуживание
The Mean Well RSP-3000-48 power supply is designed for reliable operation with minimal maintenance. However, periodic checks are recommended:
- Уборка: Ensure the ventilation openings and fan blades are free from dust and debris to maintain optimal cooling performance. Disconnect power before cleaning.
- Проверка вентилятора: Periodically check the cooling fan for proper operation. A malfunctioning fan can lead to overheating and reduced lifespan.
- Целостность соединения: Убедитесь, что все электрические соединения надежно закреплены и не имеют следов коррозии.
- Условия окружающей среды: Убедитесь, что рабочая среда находится в указанном диапазоне температуры и влажности.
6. Поиск Неисправностей
If the power supply is not functioning correctly, perform the following basic checks:
- Нет выходного томаtage:
- Check if AC input power is present and correctly connected.
- Verify that the remote ON/OFF control is not activated (if used).
- Check for short circuits or overloads on the output. The unit has overload protection that may shut down the output.
- Перегрев:
- Ensure adequate ventilation and that the cooling fan is operating.
- Check for excessive ambient temperature.
- Reduce the load if it exceeds the rated power.
- Выход Voltagд Колебание:
- Verify that the load is stable and not causing transient demands.
- Check remote sense connections if used.
- Alarm Signal Active:
- Consult the function manual to identify the specific alarm condition (e.g., fan alarm, over temperature).
If the problem persists after performing these checks, contact Mean Well technical support or your local distributor for assistance.
7. Specifications (RSP-3000-48)
The following table details the technical specifications for the Mean Well RSP-3000-48 AC-DC Power Supply:
| Категория | Спецификация | Value (RSP-3000-48) |
|---|---|---|
| Выход | DC Томtage | 48В |
| Номинальный ток | 62.5А | |
| Текущий диапазон | 0-62.5А | |
| Номинальная мощность | 3000 Вт | |
| Пульсация и шум (макс.) | 200мВпик-пик | |
| Томtagе Прил. Диапазон | 41-56В | |
| Томtage Допуск | ±1.0% | |
| Вход | Томtage Диапазон | 180-264 В переменного тока, 254-370 В постоянного тока |
| Диапазон частот | 47-63Гц | |
| Коэффициент мощности (тип.) | PF>0.95/230 В переменного тока при полной нагрузке | |
| КПД (тип.) | 91.5% | |
| Переменный ток (тип.) | 16А/230В переменного тока | |
| Пусковой ток (тип.) | 60А/230В переменного тока | |
| Защита | Перегрузка | 105-112% rated output power, constant current limiting with delay shutdown after 5 seconds, re-power on to recover |
| Более объемtage | 57.6-67.2V, shutdown, re-power on to recover | |
| Перегрев | Shut down, re-power on to recover | |
| Функция | Auxiliary Power (AUX) | 12V@0.1A (Only for Remote ON/OFF control) |
| Дистанционное управление включением/выключением | Please see the Function Manual | |
| Выход сигнала тревоги | Please see the Function Manual | |
| Выход Voltage Обрезка | 8.6-56V (Note 3) | |
| Среда | Рабочая температура. | -20~+70°C (Refer to "Derating Curve") |
| Рабочая влажность | 20 ~ 90% относительной влажности без конденсации | |
| Температура хранения, влажность | -40~+85°C, относительная влажность 10~95% без конденсации | |
| Температура Коэффициент | ±0.03%/°C (0~50°C) | |
| Вибрация | 10~500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | |
| Безопасность и ЭМС | Стандарты безопасности | UL60950-1, TUV EN60950-1 approved |
| Выдерживать Voltage | I/PO/P: 3 кВ переменного тока, I/P-FG: 2 кВ переменного тока, O/P-FG: 0.5 кВ переменного тока | |
| Сопротивление изоляции | I/PO/P, I/P-FG, O/P-FG: 100 МОм / 500 В постоянного тока / 25°C / 70% относительной влажности | |
| ЭМС Эмиссия | Соответствие EN55022 (CISPR22), класс B, EN61000-3-2,-3. | |
| Другие | Среднее время безотказной работы | 184.9 тыс. часов мин. МИЛ-HDBK-217F (25°С) |
| Размеры (Д*Ш*В) | 278 х 177.8 х 63.5 мм | |
| Вес товара | 9.25 фунта |
Примечания:
- All parameters not specifically mentioned are measured at 230VAC input, rated load and 25°C of ambient temperature.
- Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair wire terminated with a 0.1uF & 47uF parallel capacitor.
- Tolerance includes set up tolerance, line regulation and load regulation.
- The power supply is considered a component which will be installed into a final equipment. All EMC tests have been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed to meet EMC directives. For guidance on how to perform these EMC tests, please refer to "EMI testing of component power supplies" (as available on www.meanwell.com).
- The PWM signal cannot be used to control the output voltage.
- If the "Output Voltage TRIM" function is not used, P/PFC and P/PWM of CN1 or CN2 must be shorted. If the "Output Voltage TRIM" function is used, P/PFC and P/PWM of CN1 or CN2 must be disconnected. Failure to follow these instructions may damage internal electrical components.
8. Гарантия и поддержка
8.1 Гарантия
The Mean Well RSP-3000-48 AC-DC Power Supply comes with a 5-летняя гарантия производителя from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by improper installation, misuse, unauthorized modifications, or natural disasters.
8.2 Техническая поддержка
For technical assistance, troubleshooting beyond the scope of this manual, or warranty claims, please contact your authorized Mean Well distributor or visit the official Mean Well webсайт для получения ресурсов поддержки и контактной информации.







