ÌWỌ̀N DÁRADÀ LRS-350-12
Ìwé Ìtọ́sọ́nà Olùlò fún Ìpèsè Agbára Ìyípadà LRS-350-12
Model: LRS-350-12 | Brand: MEAN WELL
1. Ifihan
This manual provides essential information for the safe and efficient use of your MEAN WELL LRS-350-12 Switching Power Supply. This unit is designed to provide a stable 12V DC output from an AC input, suitable for various applications including LED projects, industrial automation, and electronic instruments.
Jọ̀wọ́ ka ìwé ìtọ́ni yìí dáadáa kí o tó fi sori ẹ̀rọ àti ṣiṣẹ́, kí o sì fi pamọ́ fún ìtọ́kasí ọjọ́ iwájú.
2. Awọn ilana aabo
- Ewu Itanna: Ẹrọ yii n ṣiṣẹ pẹlu iwọn didun gigatage. Installation and maintenance should only be performed by qualified personnel.
- Iṣagbewọle Voltage Aṣayan: Rii daju AC input voltage switch is set correctly (115VAC or 230VAC) before connecting to power. Incorrect setting can cause damage.
- Afẹfẹ: Rii daju pe fentilesonu to peye ni ayika ipese agbara lati ṣe idiwọ igbona. Ma ṣe dina awọn ṣiṣi atẹgun.
- Ilẹ: Always connect the protective earth (ground) terminal to a proper ground connection.
- Idaabobo Apọju: Do not exceed the rated output current (29A) or power (348W) to prevent damage and ensure safe operation.
- Ayika: Do not expose the unit to moisture, rain, or excessive dust. Operate within specified temperature and humidity ranges.
3. Awọn ẹya Ọja
- O wujade Voltage: 12V DC
- Ti won won Lọwọlọwọ: 29A
- Ti won won Agbara: 348W
- Iṣagbewọle Voltage Range: 90 ~ 132VAC / 180 ~ 264VAC (selectable by switch)
- Built-in cooling FAN with ON-OFF control (activates at RTH3 ≥ 50℃, turns off at RTH3 ≤ 40℃)
- Awọn aabo: Circuit kukuru, Apọju, Lori Voltage, Lori otutu
- Certifications: UL and CE
4. Eto ati fifi sori
Follow these steps for proper installation of your LRS-350-12 power supply.
4.1 Ṣiṣii silẹ
Carefully remove the power supply from its packaging. Inspect the unit for any physical damage. If damage is found, do not proceed with installation and contact your supplier.
4.2 Input Voltage Aṣayan
Before connecting any power, ensure the AC input voltage aṣayan yipada ti ṣeto si awọn ti o tọ voltage for your region (115VAC for North America, 230VAC for most other regions). This switch is typically located on the side of the unit.

Aworan: Apa view of the LRS-350-12 power supply, highlighting the red switch for AC input voltage selection (115V/230V).
Ikilọ: Failure to set the correct input voltage before powering on will result in damage to the unit.
4.3 Awọn isopọ onirin
The LRS-350-12 uses screw terminal blocks for both AC input and DC output connections. Refer to the labels on the unit for correct terminal identification.

Aworan: Alaye view of the LRS-350-12 terminal block, showing connections for AC input (L, N, Ground) and DC output (+V, -V).
- Iṣawọle AC: Connect your AC mains power to the terminals labeled 'L' (Live), 'N' (Neutral), and '⊗' (Ground). Ensure secure connections.
- DC Iṣelọpọ: Connect your load to the terminals labeled '+V' (Positive 12V DC) and '-V' (Negative/Ground). Multiple '+V' and '-V' terminals are provided for convenience and to distribute current.
- Voltage Atunṣe: A small potentiometer (labeled 'V.ADJ' or similar) is available near the output terminals to fine-tune the output voltage within a small range. Use a small screwdriver to adjust if necessary.
Fidio: Ipariview of the Meanwell LRS 350 12 Power Supply, demonstrating the AC input, DC output terminals, and the voltage selection switch. This video provides a visual guide to the physical layout and basic connections of the power supply.
5. Awọn ilana Iṣiṣẹ
- Agbara Ibẹrẹ: After all connections are secure and the input voltage switch is correctly set, apply AC power to the unit.
- LED Atọka: A green LED indicator (if present) will illuminate, signifying that the power supply is operational.
- Asopọmọra fifuye: Connect your 12V DC load to the output terminals. Ensure the total current draw does not exceed 29A.
- Olufẹ itutu: The built-in cooling fan operates automatically. It will turn on when the internal temperature (RTH3) reaches 50℃ and turn off when it drops below 40℃. This ensures optimal operating temperature.
6. Itọju
- Ninu: Periodically clean the exterior of the power supply with a dry, soft cloth. Ensure ventilation openings are free from dust and debris to maintain proper airflow for the cooling fan.
- Awọn ayẹwo Asopọmọra: Regularly inspect all wiring connections to ensure they are tight and secure. Loose connections can lead to poor performance or safety hazards.
- Awọn ipo Ayika: Ensure the operating environment remains within the specified temperature and humidity ranges to prolong the lifespan of the unit.

Aworan: Oke view of the LRS-350-12 power supply, illustrating the cooling fan and ventilation slots crucial for heat dissipation.
7. Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Ko si voltage / Unit not powering on |
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| O wu voltage ko tọ |
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| Unit overheating / Fan constantly running at high speed |
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8. Awọn pato
| Ẹya ara ẹrọ | Iye |
|---|---|
| Orukọ awoṣe | LRS-350-12 |
| Brand | ITUMO DARA |
| O wujade Voltage | 12V |
| Ti won won Lọwọlọwọ | 29 Amps |
| Ijade Wattage | 350 Wattis |
| Iṣagbewọle Voltage Ibiti | 90 ~ 132VAC / 180 ~ 264VAC (by Switch) |
| Ọna Itutu | Air (Built-in Fan) |
| Awọn Iwọn Nkan (L x W x H) | 8.46 x 4.53 x 1.18 inches |
| Iwọn Nkan | 760 giramu |
| Awọn aabo | Short Circuit / Overload / Over Voltage / Lori iwọn otutu |
| Awọn ẹrọ ibaramu | Industrial Automation Machinery, Industrial Control Systems, Mechanical and Electrical Equipment, Electronic Instruments, Equipment, or Apparatus |
| Asopọmọra Iru | dabaru Terminal Block |
| Olupese | Itumọ daradara Enterprises CO., LTD. |
| UPC | 645312123032 |
9. Atilẹyin ọja ati Support
For warranty information, please refer to the documentation provided with your purchase or contact your authorized MEAN WELL distributor or reseller. Warranty terms and conditions may vary by region and point of purchase.
For technical support or further inquiries, please visit the official MEAN WELL website or contact their customer service department. The manual reference on the product label points to www.meanwell.com/manual.html fun afikun oro.