DIN rail power supply ORNO OR-PSU-1649 24 V DC 4 A 100 W

ORNO OR-PSU-1649 is a DIN-rail mounted power supply that provides a steady 24 V DC output with a maximum current of 4 A and total output power of 100 W. Intended for industrial and building automation environments, control panels and electrical cabinets, this compact unit supplies regulated DC voltage to sensors, controllers, relays and other low-voltage equipment. The DIN form-factor and screw terminal connections simplify mounting and wiring on standard rail systems.

Advantages

The unit offers a regulated 24 V DC output with overload and short-circuit protection built into a compact housing suitable for tight cabinet spaces. Thermal design and efficient conversion reduce heat generation while supporting continuous operation up to rated load. Its standardized DIN-rail mounting and clear terminal layout make installation and maintenance straightforward for technicians and installers.

Suitable for

• Powering sensors and transmitters in building automation systems
• Supplying controllers and PLC modules within control panels
• Feeding relays, small actuators and low-voltage devices in electrical cabinets
• General-purpose 24 V DC distribution on DIN rails in industrial environments

Key specifications

• Output voltage: 24 V DC regulated
• Maximum output current: 4 A
• Total output power: 100 W
• Mounting: DIN-rail (EN standard rail profile)
• Connection type: screw terminals for input and output
• Protection features: overload and short-circuit protection
• Cooling: convection cooling suitable for cabinet installation

How to use

Mount the power supply on a standard DIN rail inside the control cabinet, ensuring adequate ventilation space around the unit. Connect the mains input to the designated input terminals following local electrical codes and confirm correct mains voltage before powering. Wire the 24 V DC output to the target devices using appropriately rated conductors and secure all terminal screws. After wiring, apply mains power and verify the DC output with a multimeter; check indicator LEDs if present to confirm normal operation.

Usage recommendations

For reliable long-term performance, avoid operating the unit beyond the rated current and provide adequate cabinet ventilation. Place the power supply away from strong heat sources and moisture. Use suitable fuses or circuit breakers on the input side and verify compatibility of connected devices with 24 V DC. Periodically inspect connections for tightness and signs of wear.