IN Brief:
- The RACPRO1-DP-T720 series provides 720 W AC/DC conversion in an IP67-rated enclosure for decentralised industrial installation.
- The RACPRO1-DP-T720-4SP adds four electronically protected outputs, including configurable current limits and selective load disconnection.
- Full 720 W output is rated to 45°C for the standard version and 30°C for the protected version; both are listed as coming soon.
RECOM has expanded its RACPRO1 industrial power supply portfolio with two 720 W series intended for decentralised installation on machinery and automation equipment. Both use IP67-rated enclosures, while the RACPRO1-DP-T720-4SP incorporates a four-channel electronic fuse system for the selective protection and monitoring of connected electrical loads.
The new RACPRO1-DP-T720 and RACPRO1-DP-T720-4SP series are designed to operate outside conventional centralised control cabinets. They support industrial installations where power conversion can be positioned closer to motors, actuators, sensors, and other equipment requiring low-voltage DC supplies.
The standard series accepts three-phase AC inputs from 320 V to 600 V, or a DC input from 425 V to 800 V. RECOM specifies output power of 720 W, efficiency up to 96.8%, and five-second peak output power of 1,080 W.
The RACPRO1-DP-T720 provides full rated output at ambient temperatures up to 45°C using convection cooling. The companion four-channel protected series has lower published full-load temperature and efficiency ratings, which must be taken into account when selecting between the two designs.
Decentralised power systems place conversion equipment near the electrical loads rather than concentrating all DC power supplies in a central enclosure. This changes the distribution arrangement, potentially reducing the length and quantity of low-voltage cabling required across a machine.
At relatively low voltage, transmitting substantial electrical power requires correspondingly high current. Resistive losses in a cable increase with the square of that current, making conductor size and cable length important factors when positioning power supplies relative to their connected equipment.
Locating conversion equipment closer to the load can reduce these losses and simplify some cable routes. The resulting installation must still provide suitable high-voltage distribution, electrical isolation, protective devices, and maintenance access.
RECOM has designed the new supplies for direct mounting on industrial equipment, including conveyor systems, machine frames, and other exposed locations. Their IP67 protection rating addresses dust ingress and temporary immersion under defined conditions, but the suitability of a complete installation also depends on connectors, cables, and mounting arrangements.
The standard series offers adjustable 24 V and 48 V output configurations. These voltages are commonly used across industrial controls, field devices, and machinery, although the selected output must match the electrical requirements and protection arrangements of the connected loads.
RECOM specifies power density up to 400 W per litre, with a housing measuring 192 × 177 × 60 mm. The enclosure is designed for fanless operation, transferring heat through its structure and into the surrounding environment.
Convection cooling avoids dependence on a fan, but available output power remains sensitive to ambient temperature and installation conditions. Restricted airflow, neighbouring heat sources, and the way the equipment is mounted can all affect internal temperature during continuous operation.
The RACPRO1-DP-T720-4SP adds four independently monitored outputs, each with configurable electronic overcurrent protection. The arrangement allows individual loads to be managed according to their electrical requirements instead of relying exclusively on a single shared overcurrent response.
RECOM provides selectable hiccup and trip operating modes. Hiccup protection allows repeated attempts to restore output after a fault condition, while trip operation interrupts the affected output according to the configured reset behaviour.
Choosing between these modes depends on the equipment connected to the supply. Automatic restart may be acceptable for some non-critical loads, but machinery requiring controlled recovery after a fault may need a different response, coordinated with the wider control and safety system.
The protected series also provides controlled startup for capacitive loads, which can otherwise draw substantial inrush current when initially energised. Managing that current helps prevent expected startup behaviour from being treated as a sustained fault.
Priority-based load disconnection provides another option during overload conditions. The system can remove selected loads according to its configured priorities, allowing the available power to be distributed in a controlled way when demand exceeds the permitted operating level.
The four outputs share the supply’s total available power. Their individual current limits do not increase the unit’s overall 720 W rating, and the combined load must remain within the relevant electrical and thermal limits.
Thermal performance differentiates the two series. RECOM specifies peak efficiency of 95.8% for the four-channel protected version and full 720 W output at ambient temperatures up to 30°C, compared with 96.8% and 45°C respectively for the standard series.
The protected version supports operation across a wider published temperature range, but continuous full-load capability must not be assumed throughout that range. Load derating and the applicable datasheet conditions determine the power available as the operating temperature increases.
RECOM identifies factory automation, process equipment, intralogistics, energy distribution, water treatment, and agricultural machinery among the intended applications. The company lists both new series as coming soon, with individual product specifications available for engineering assessment before commercial deployment.
