Industrial Power Supplies for automation cabinets, PLCs and sensors
A power supply converts mains 220 V AC into a regulated DC rail of 12, 24, 36 or 48 V that feeds the secondary circuit of a cabinet: the controller, HMI panel, sensors, relays and actuators. The catalogue carries Mean Well and Delta power supplies (also called DC power sources) — compact switching units with up to 91% efficiency and a universal 85-264 V input that run from both a sagging generator mains and a stable 230 V supply.
24 V is the industrial control standard: most PLCs, discrete sensors and relay coils run on it. 12 V is common for LED lighting and low-current automation, while 48 V suits telecom, servo drives and heavier loads.
How many watts a cabinet needs
Size the wattage with a 20-30% margin over the sum of all load currents. A small node with a PLC and a couple of sensors is fine on 50-75 W; a cabinet with pneumatic valves and relays needs 100-150 W; a section with several I/O modules and lighting calls for 200-350 W. Below are reference LRS models for typical jobs.
| Model | Voltage | Power / current | Efficiency | Where used |
|---|---|---|---|---|
| LRS-50-24 | 24 V | 52.8 W / 2.2 A | 88% | Small node: PLC + 2-3 sensors |
| LRS-100-24 | 24 V | 108 W / 4.5 A | 90% | Mid-size automation cabinet |
| LRS-150-24 | 24 V | 156 W / 6.5 A | 89% | Relays, pneumatic valves, I/O modules |
| LRS-350-24 | 24 V | 350.4 W / 14.6 A | 88% | Large cabinet, lighting, several 24 V lines |
| LRS-100-12 | 12 V | 102 W / 8.5 A | 88% | LED strip, low-current automation |
Power supply manufacturers
Today the catalogue is built on the Mean Well LRS series — a workhorse for DIN-rail and panel cabinets: universal input, overload, short-circuit and over-temperature protection, operation from -30 to +70 °C. The Delta line is being added separately — watch the catalogue for updates. If your project already runs Veichi or INVT gear, a Mean Well unit is compatible with any brand at the 24 V rail.
Power supplies by specification
Narrow the catalogue by series and form factor: LRS series, enclosed type. By voltage the catalogue holds 12, 24, 36 and 48 V units, by power from 50 to 350 W. Related cabinet parts: PLCs, HMI panels, sensors, options and accessories, frequency inverters and soft starters.
Warranty and support
Power supplies carry an official warranty. We help pick a model by power and voltage for your cabinet and ship across Ukraine. Our engineers advise on current headroom, parallel connection and compatibility with your PLC and sensors.
