OPTOKON LMES is an industrial power supply designed for stable conversion of 230 V AC to 24 V DC with power distribution across 8 independent channels. The device combines an AC/DC converter and a power distribution unit, providing up to 20 A total output current.
Thanks to military-grade D38999 connectors, a wide operating temperature range (from –25 to +70 °C), and a 19" (3U) aluminum chassis, LMES is ideal for telecommunications, transportation, defense, and industrial systems.

Main Features
- 8 outputs of 24 V DC (4 × 2 A and 4 × 5 A)
- Total load up to 20 A
- Channel activation indicators (green LEDs)
- High efficiency ~93%
- Galvanic isolation of outputs
- Short-circuit protection
- Overvoltage protection
- D38999 connectors — military-grade standard
- Compatibility with OPTOKON LMSW-80 devices
- Reliable aluminum housing
- Mounting in a 19" rack (3U)
Technical Specifications Table
Parameter | Value |
Input voltage | 230 V AC |
Output voltage | 24 V DC |
Number of outputs | 8 |
Group 1 | 4 × 2 A |
Group 2 | 4 × 5 A |
Total output current | Up to 20 A |
Efficiency | ~93% |
Connector type | D38999 |
Protection | Short-circuit, overvoltage |
Galvanic isolation | Yes |
Operating temperature | -25 °C ... +70 °C |
Form factor | 19", 3U |
Housing | Aluminum |
Internal Comparison of Output Channels
Group | Number of channels | Max current per channel | Purpose |
Group 1 | 4 | 2 A | Powering low-power devices |
Group 2 | 4 | 5 A | Powering high-power modules |
Who Is OPTOKON LMES For?
- Telecom providers
- Military and security agencies
- Network equipment manufacturers
- Industrial facilities
- Data transmission nodes
- Backup power systems
Advantages of Use
- Replaces a separate power supply + distribution unit
- Reliable military-grade connectors
- Convenient rack-mount installation
- Flexible load distribution
- High equipment protection
FAQ — Frequently Asked Questions
1. What is the maximum current per output?
4 channels at 2 A and 4 at 5 A, with a total maximum of 20 A.
2. Can an individual output be overloaded beyond its limit?
No, each channel has its own fuse with a fixed limit.
3. Is there channel status indication?
Yes, green LEDs indicate the activity of each line.
4. Does LMES support operation at low temperatures?
Yes, the operating range is -25 ... +70 °C.
5. Can it be used with other OPTOKON devices?
Yes, the model is compatible with LMSW-80 and other ruggedized OPTOKON devices.
