DIN rail power supply QOLTEC 50920, single-phase, for industrial installations

QOLTEC 50920 is a single-phase DIN-rail power supply engineered for mounting in control cabinets and industrial electrical panels. The unit delivers 12 V DC at up to 4.5 A (54 W) in a compact, rail-mounted enclosure, supplying power to automation equipment such as PLCs, sensors and small drives. Its design focuses on reliable operation in machine control, building automation and industrial maintenance systems.

Advantages

The QOLTEC 50920 offers a standardized DIN-rail form factor for easy installation and secure mounting in control cabinets. It provides stable 12 V DC output with a maximum power of 54 W and overload protection suitable for typical automation loads. The compact, gray enclosure saves panel space and supports tidy wiring in industrial environments.

Suitable for

Key specifications

How to use

Mount the QOLTEC 50920 on a standard DIN rail inside a suitably rated control cabinet. Connect the single-phase AC supply to the input terminals following the manufacturer's wiring diagram and local electrical codes. Connect the DC output (+12 V and 0 V) to the load, ensuring the total current does not exceed 4.5 A. Verify correct polarity and secure all terminal connections before applying power.

Recommendations

Use appropriate overcurrent protection on the AC input and ensure ventilation space around the unit. For reliable operation, keep the operating temperature and installation environment within the limits specified by the equipment manufacturer and perform periodic inspections of connections and load conditions.