Description
The TDK-Lambda DRB240-48-3-A0 is a compact, industrial-grade DIN rail-mounted 3-phase power supply delivering 240W output at 48VDC / 5A. Designed for demanding control, automation, and communication systems, it combines efficiency, safety, and durability within a robust, space-saving footprint.
This model supports a 3-phase AC input voltage range from 350 to 575VAC (50/60Hz), offering flexible integration into international systems. Its output voltage is adjustable between 45 to 55VDC, with a boost mode output of 6A (288W) for up to 600 seconds—suitable for capacitive or motor loads with high start-up currents.
Engineered for reliability, the DRB240-48-3-A0 features constant current overload protection, latch-mode overvoltage shutdown, and remote inhibit functionality. A built-in DC-OK relay contact provides real-time status feedback, ideal for integration into automated monitoring systems or SCADA environments.
With convection cooling, high energy efficiency of up to 92.5%, and full safety approvals including IEC/EN/UL/CSA 61010-1 and 62368-1, this model delivers dependable performance in environments up to +70°C without derating below +55°C. It is housed in a slim 65mm enclosure and mounts easily to standard DIN rails.
Features and Benefits – TDK-Lambda DRB240-48-3-A0
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48VDC Output at 5A Continuous (240W):
Provides reliable power for industrial automation, process control, sensors, and communication equipment requiring higher voltage levels. -
Boost Mode Output – 6A (288W) for 600 Seconds:
Accommodates temporary overload conditions or inrush currents, making it ideal for systems with inductive or capacitive loads. -
Wide 3-Phase Input Range (350–575VAC):
Compatible with standard global 3-phase supplies, ensuring flexibility in industrial deployments and reduced need for adaptation. -
High Efficiency (up to 92.5%):
Minimises power loss and internal heating, reducing energy costs and improving overall system thermal management. -
Constant Current Overload Protection:
Maintains system stability under fault conditions and transitions to hiccup mode to prevent component damage. -
Remote Inhibit Control:
Enables shutdown from remote or automated systems, enhancing operational control and system safety. -
DC-OK Relay Output:
Provides output voltage monitoring for integration into SCADA systems, PLCs, or remote fault indication circuits. -
Adjustable Output Voltage (45 – 55VDC):
Offers flexibility to suit a wide range of load requirements or to offset voltage drops over long cable runs. -
Reliable in Harsh Environments (-25°C to +70°C):
Operates without derating below +55°C and uses convection cooling for quiet, low-maintenance performance. -
Compact DIN Rail Format (65mm Width):
Saves panel space and installs easily into industrial control cabinets using TS35/7.5 or TS35/15 DIN rails. -
Global Compliance and Certification:
Certified to IEC/EN/UL/CSA 61010-1 and 62368-1 with CE and UKCA markings for international regulatory assurance. -
IP20 Rated Housing:
Suitable for secure integration into protected electrical enclosures and industrial automation panels.
