Power supply Meanwell LRS-150-48 48V DC 150W compact industrial module

Meanwell LRS-150-48 is a compact switching power supply delivering 48V DC at up to 150W, designed for industrial and electronic applications. The module provides a regulated output suitable for controllers, communication devices, LED lighting and automation systems. Its compact footprint and options for DIN-rail or chassis mounting make it suitable for installation in control cabinets where stable continuous power is required for professional equipment.

Advantages

The unit offers a high-efficiency switching design that minimises heat generation and reduces energy losses during continuous operation. Its compact industrial housing provides reliable electrical insulation and mechanical protection while saving space within cabinets. Built-in protections for overcurrent, overvoltage and short-circuit conditions increase system safety and help protect connected devices. Designed for professional installations, it supports steady 48V output under varying load conditions.

Suitable for

• Powering PLCs, industrial controllers and communication modules
• Supplying 48V LED lighting drivers and signage
• Automation systems and sensor networks in control cabinets
• Bench or chassis installations requiring regulated 48V DC

Key specifications

• Output voltage: 48V DC nominal
• Maximum output power: 150W
• Output current capability appropriate for full-load operation at rated power
• Switching topology with high conversion efficiency
• Compact industrial metal housing for DIN-rail or chassis mounting
• Designed for continuous operation in control cabinets
• Protections: overcurrent, overvoltage and short-circuit

How to use

Mount the power supply on a DIN rail or secure it to a chassis inside the control cabinet following applicable installation standards. Connect the AC input to the appropriate mains supply using suitably rated wiring and a protective circuit breaker. Connect the 48V DC output to the load ensuring correct polarity and adequate conductor sizing for the expected current. Verify protective settings and confirm output voltage with a multimeter before connecting sensitive equipment. Ensure adequate ventilation around the unit and avoid locating it near heat sources or in areas with excessive dust or moisture.

Usage recommendations

For reliable long-term operation, operate the supply within its rated temperature range and avoid sustained operation at maximum ambient temperature. Use appropriately rated fuses or breakers on the input and consider surge protection on the AC mains when installed in environments exposed to electrical transients. Periodically inspect terminal connections and ventilation paths to maintain safe and stable performance.