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AC-DC Power Supplies

AC-DC Power Supplies

DRB 3 Phase

NEW RANGE 120/240W DIN-Rail power supplies

The DIN-Rail power supplies in the DRB series are part of TDK-Lambda’s industrial heritage. They can be used in many applications, ranging from conventional switch cabinets and decentralised machinery and systems, to information and communications technology solutions. The series covers the popular output voltages of 12, 24 and 48 volts, and users can choose between screw and push-in terminal blocks. All seven major electrical safety standards are covered, enabling global market access. The DRB’s high operating efficiencies, conservative thermal design and redundant overvoltage protection measures provide maximum system up-time. Product reliability is also supported by a reduced component count and TDK-Lambda's stringent testing requirements. Overall the DRB 3 phase series offers an excellent balance between functionality and price. 

Learn more about the DRB 3 Phase Series

DRB 3 Phase


  • Wide 3 phase input range for global mains voltages
  • Power boost of 120% for 2s to support capacitive loads start-up
  • Parallel mode switch to activate load balancing behaviour
  • Two means of transient protection increase process stability
  • Fast OVP control protects sensitive loads
  • Very low inrush energy peak (I²t) saves cost for input line protection
  • Screw or push-in terminals available to serve individual connection needs
  • High efficiency and low stand-by losses contribute to an eco-friendly energy footprint
  • Strong CC overload behaviour secures process reliability under demanding load conditions
  • DC-OK and inhibit relay contacts for professional integration into applications control architecture
  • Designed to meet the 7 most accepted IEC safety standards


Product Range Information

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Part number Power (W) Output info Construction Status Datasheet
DRB120-12-3-A0 120 12V / 10A
Enclosed New product   Datasheet
DRB120-12-3-A1 120 12V / 10A
Enclosed New product   Datasheet
DRB120-24-3-A0 120 24V / 5A
Enclosed New product   Datasheet
DRB120-24-3-A1 120 24V / 5A
Enclosed New product   Datasheet
DRB240-24-3-A0 240 24V / 10A
Enclosed New product   Datasheet
DRB240-24-3-A1 240 24V / 10A
Enclosed New product   Datasheet
DRB240-48-3-A0 240 48V / 5A
Enclosed New product   Datasheet
DRB240-48-3-A1 240 48V / 5A
Enclosed New product   Datasheet
Key : New product

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DRB 3 Phase Technical Downloads

DRB 3 Phase In the TDK-Lambda Newsroom

Compact 120W and 240W three-phase input DIN rail power supplies feature +20% peak power capability and low energy inrush current
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