RQ-125 Series
September 5, 2024Mean Well LRS-1200 Series Enclosed AC/DC Power Supply
The Mean Well LRS-1200 Series is a 1200W single-output enclosed AC/DC power supply designed for industrial applications that require compact size, high efficiency, and stable performance. With a low-profile 41mm design, 180–305Vac input range, up to 94% efficiency, and output options of 12V, 24V, 36V, and 48V, the LRS-1200 Series is a practical solution for industrial automation machinery, industrial control systems, mechanical and electrical equipment, and electronic instruments.
Key Highlights
- 1200W Single Output
- 180–305Vac Input
- Up to 94% Efficiency
- 12V / 24V / 36V / 48V Models
Overview
The Mean Well LRS-1200 Series is a 1200W single-output enclosed AC/DC power supply designed with a low-profile 41mm form factor for industrial applications that require compact size, stable output, and efficient power conversion. The series supports a wide 180–305Vac input range and is available in 12V, 24V, 36V, and 48V models, making it suitable for industrial automation machinery, industrial control systems, mechanical and electrical equipment, and electronic instruments. In addition to efficiency up to 94%, the LRS-1200 Series features built-in protection functions, forced air cooling, Remote Control, Remote Sense, and DC OK signal support, providing a practical and reliable power solution for demanding industrial environments.
Features
- 1200W single-output enclosed AC/DC power supply
- Wide 180–305Vac input range
- Low-profile 41mm compact design
- Available in 12V, 24V, 36V, and 48V models
- High efficiency up to 94%
- 150% peak power for 5 seconds
- Short circuit, overload, over voltage, and over temperature protection
- Forced air cooling with intelligent fan speed control
- Built-in Remote Control, Remote Sense, and DC OK signal
- Suitable for industrial automation, control systems, and electronic equipment
Need help choosing the right model? Compare the main specifications of LRS-1200-12, LRS-1200-24, LRS-1200-36, and LRS-1200-48 below.
LRS-1200 Series Specifications by Model
The table below compares the main electrical specifications of the Mean Well LRS-1200 Series, including output voltage, rated current, rated power, peak output capability, and typical efficiency. It helps users quickly compare LRS-1200-12, LRS-1200-24, LRS-1200-36, and LRS-1200-48 and select the right model for their application.
| Model | Output Voltage | Rated Current | Current Range | Rated Power | Peak Current (5 sec.) | Peak Power (5 sec.) | Efficiency (Typ.) |
|---|---|---|---|---|---|---|---|
| LRS-1200-12 | 12V | 92A | 0–92A | 1104W | 138A | 1656W | 91% |
| LRS-1200-24 | 24V | 50A | 0–50A | 1200W | 75A | 1800W | 93% |
| LRS-1200-36 | 36V | 33.3A | 0–33.3A | 1198.8W | 50A | 1800W | 94% |
| LRS-1200-48 | 48V | 25A | 0–25A | 1200W | 37.5A | 1800W | 94% |
Common input specifications: 180–305Vac / 255–431Vdc, 47–63Hz, 7A/230Vac, 5A/277Vac, leakage current <2mA.
Need more technical details? Continue below for model-specific descriptions, control functions, mechanical dimensions, and safety information for the LRS-1200 Series.
Models in the LRS-1200 Series
The Mean Well LRS-1200 Series includes four single-output models: LRS-1200-12, LRS-1200-24, LRS-1200-36, and LRS-1200-48. Each model is designed for a different DC output requirement while sharing the same compact 41mm low-profile design, 180–305Vac input range, and enclosed power supply architecture.
LRS-1200-12
LRS-1200-12 provides 12V output with 92A rated current and 1104W rated power. It also supports 138A peak current and 1656W peak power for 5 seconds, making it a suitable option for high-current 12V DC applications that require compact size and strong short-term output capability.
LRS-1200-24
LRS-1200-24 delivers 24V output with 50A rated current and 1200W rated power. With 75A peak current and 1800W peak power for 5 seconds, it is a strong choice for industrial automation and control systems built around 24V DC power architecture.
LRS-1200-36
LRS-1200-36 offers 36V output with 33.3A rated current and 1198.8W rated power. It supports 50A peak current and 1800W peak power for 5 seconds, providing a practical solution for equipment that requires stable 36V DC output in industrial environments.
LRS-1200-48
LRS-1200-48 provides 48V output with 25A rated current and 1200W rated power. With 37.5A peak current and 1800W peak power for 5 seconds, it is well suited for 48V DC systems that require reliable high-power performance in a compact enclosed form factor.
Need more technical details beyond model output and power ratings? Continue below to review Remote Control, Remote Sense, DC OK signal, and installation information for the LRS-1200 Series.
Remote Control, Remote Sense and DC OK
The Mean Well LRS-1200 Series includes built-in Remote Control, Remote Sense, and DC OK signal functions to support system integration, output monitoring, and external control. These features make the series more suitable for industrial automation, control systems, and other applications that require reliable high-power output with status feedback and wiring compensation. The datasheet lists all three functions in the specification table and further explains them in the function manual section.
Remote Control
The Remote Control function allows the PSU to be turned ON or OFF by using an external switch and auxiliary power. According to the function manual, the output remains ON when RC+ to RC- is open or kept at 0–0.8Vdc, and turns OFF when RC+ to RC- is kept at 3.3–10Vdc. This function is useful for systems that require external control logic or remote power switching.
Remote Sense
Remote Sense helps compensate voltage drop on the load wiring up to 0.3Vdc, helping improve output accuracy at the load side in demanding installations. The function manual also notes that the sense lines should be twisted in pairs. This feature is especially useful when cable distance or wiring resistance may affect output stability.
DC OK Signal
The built-in DC OK signal provides a TTL-level output to indicate PSU output status. The datasheet states that the signal is “High” when the PSU turns on, with Power ON at 3.3–5.6Vdc and Power OFF at 0–1Vdc between DC_OK and GND. This makes the LRS-1200 Series more practical for monitoring, status feedback, and integration with external control systems.
Need installation and wiring details for the LRS-1200 Series? Continue below to review mechanical dimensions, terminal assignment, and control pin information.
Mechanical Dimensions and Installation
The Mean Well LRS-1200 Series features a compact enclosed design with overall dimensions of 225 × 124 × 41mm, making it suitable for installations that require high power output within a low-profile form factor. The mechanical layout includes AC input, DC output, and control terminals for integration into industrial power systems and control cabinets.
Dimensions
The overall mechanical size of the LRS-1200 Series is 225 × 124 × 41mm, with a compact 41mm low-profile design that helps save installation space in industrial equipment and enclosure-based applications.
Terminal Assignment
The unit includes TB1 for AC input, TB2 and TB3 for DC output, and CN1 for control functions. The AC input terminal provides AC/L, AC/N, and FG connections, while the DC output terminals provide -Vo and +Vo. CN1 is used for Remote Sense, DC OK, and Remote Control signal connections.
Installation Notes
The LRS-1200 Series is designed for enclosed installation in industrial systems that require reliable AC/DC conversion and practical wiring access. When integrating the power supply, users should review terminal layout, wiring direction, and mounting space to ensure proper installation, heat dissipation, and maintenance access.
Need application and compliance information for the LRS-1200 Series? Continue below to explore recommended applications, certifications, and safety standards.
Applications
The Mean Well LRS-1200 Series is suitable for industrial automation machinery, industrial control systems, mechanical and electrical equipment, and a wide range of electronic instruments or apparatus that require stable high-power AC/DC conversion. With its 1200W single-output design, compact low-profile form factor, and built-in control functions, the series is well suited for applications where space efficiency, reliable performance, and practical system integration are important.
- Industrial automation machinery
- Industrial control systems
- Mechanical and electrical equipment
- Electronic instruments and apparatus
Need certification and compliance details for your project? Continue below to review the safety standards, EMC information, and related approval data for the LRS-1200 Series.
Certifications and Safety
The Mean Well LRS-1200 Series is designed to meet a broad range of international safety and EMC requirements for industrial and electronic equipment applications. According to the official datasheet, the series includes major safety approvals and related compliance standards for global project use.
- CB: IEC62368-1, IEC61558-1/-2-16
- UL: UL62368-1
- DEKRA: BS EN/EN62368-1, BS EN/EN61558-1/-2-16
- RCM: AS/NZS 62368-1, AS/NZS 61558-1/-2-16
- CQC: GB 4943.1
- BSMI: CNS15598-1
- EAC: TPTC 004
- KC/BIS: available by request
The datasheet also lists EMC-related standards including BS EN/EN55035, BS EN/EN61000-6-2, BS EN/EN55032 (CISPR32), BS EN/EN61000-3-2, and BS EN/EN61000-3-3. In addition, the series is specified for IEC/EN 61558-1/-2-16 (OVC III, altitude up to 2000m) and IEC/EN/UL 62368-1 (OVC II, altitude up to 5000m).
Need more product details before sending an inquiry? Continue below to review common questions about the LRS-1200 Series.
FAQ
The Mean Well LRS-1200 Series supports an input range of 180–305Vac and 255–431Vdc, with a frequency range of 47–63Hz.
The series is available in 12V, 24V, 36V, and 48V models, including LRS-1200-12, LRS-1200-24, LRS-1200-36, and LRS-1200-48.
Yes. The LRS-1200 Series supports 150% peak power for up to 5 seconds. The datasheet also states a duty limit of up to 35%, with peak power function specified for 200–277Vac input conditions.
The overall dimensions are 225 × 124 × 41mm (L × W × H).
The series includes short circuit, overload, over voltage, and over temperature protection. For overload, the datasheet states shutdown if output power exceeds 105% of rated power for more than 5 seconds, and constant current limiting for output power above 150% rated for more than 5 seconds before shutdown and re-power on recovery.
The LRS-1200 Series includes Remote Control, Remote Sense, and DC OK signal functions. Remote Sense compensates load wiring voltage drop up to 0.3Vdc, and DC OK is a TTL-level signal that is “High” when the PSU turns on.
The working temperature range is -30°C to +70°C, with the datasheet referring users to the derating curve for operating conditions.
The datasheet lists the LRS-1200 Series for industrial automation machinery, industrial control systems, mechanical and electrical equipment, and electronic instruments or apparatus.
Need pricing, lead time, or model selection support? Continue below to send your request for information.
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