DRB120-3/240-3 3-Phase DIN Rail Power Supplies

TDK-Lambda's power supplies are optimized for a longer field life and operation with inductive and capacitive loads

Image of TDK-Lambda's DRB120-3/240-3 3-Phase DIN Rail Power SuppliesTDK-Lambda’s DRB120 and DRB240 DIN rail mount AC/DC power supplies are rated at 120 W and 240 W with a 2-second peak power capability of 144 W and 288 W. This allows for operation with inductive and capacitive loads. On the initial start-up, the devices have a low-energy inrush current that helps to avoid nuisance tripping of circuit breakers when multiple units are installed in a system. These DRB models are designed for a broad range of applications including industrial machinery and systems, conventional switch cabinets, and communications equipment.

The power supplies accept a 3-phase 350 VAC to 575 VAC input with output voltages of 12 V or 24 V rated at 120 W and 24 V or 48 V rated at 240 W. The DRB series has a wide adjustment range of 11.4 V to 15  V, (12 V models), 22.5 V to 29 V (24 V models), and 45 V to 56 V (48 V models) to compensate for voltage drops in wiring ORing FETs for redundant operation or to accommodate for non-standard output voltages. For larger power systems or N+1 redundant systems, a front panel DIP switch enables droop mode current sharing for parallel operation. For output voltage monitoring, a front panel LED indicator and a DC OK relay contact are available. Remote on/off is possible using a closed relay contact or <4 V input.

These units are enclosed in a compact, rugged metal case measuring 55 mm wide, 129 mm high, and 138.2 mm deep to save space for other products to be mounted on the DIN rail. Users can choose between screw terminations or push-in wire connectors for input and output wiring. The 3-phase convection-cooled DRB models offer an ambient temperature range of -25°C to +70°C with >+55°C derating. The operating efficiency is 94% which reduces power losses and lowers internal temperatures allowing for a longer field life. The low off-load power consumption can be reduced to <2.3 W by using the remote on/off function to reduce energy consumption.

Safety certifications include IEC/EN/UL/CSA 61010-1, 61010-2-201, 62368-1, EN 60204-1, IEC/EN 62477-1, 61204-7, 61558-2-16, and are CE / UKCA marked to the low-voltage, EMC, and RoHS directives. The units comply with EN 55011-B and CISPR11-B radiated and conducted emissions and meet the EN 61000-3-2 (Class A) harmonic currents and IEC/EN 61000-6-2 immunity standards. Input-to-output isolation is 3,510 VAC, input-to-ground 2,210 VAC, and output-to-ground 1,390 VAC. The earth leakage current is <1 mA with a 575 VAC 60 Hz input.

  • High efficiency: up to 94%
  • Narrow case width
  • Curve B radiated and conducted EMI
  • Long e-capacitor life (typically 10 years)

DRB120-3/240-3 3-Phase DIN Rail Power Supplies

ImageManufacturer Part NumberKuvausTeho (wattia)Available QuantityNäytä tiedot
AC/DC CONVERTER 24V 240WDRB240-24-3-A0AC/DC CONVERTER 24V 240W240W7 - ImmediateNäytä tiedot
AC/DC CONVERTER 24V 120WDRB120-24-3-A0AC/DC CONVERTER 24V 120W120W10 - ImmediateNäytä tiedot
AC/DC CONVERTER 48V 240WDRB240-48-3-A0AC/DC CONVERTER 48V 240W240W10 - ImmediateNäytä tiedot
AC/DC CONVERTER 12V 120WDRB120-12-3-A0AC/DC CONVERTER 12V 120W120W10 - ImmediateNäytä tiedot
AC/DC CONVERTER 24V 120WDRB120-24-3-A1AC/DC CONVERTER 24V 120W120W0Näytä tiedot
AC/DC CONVERTER 48V 240WDRB240-48-3-A1AC/DC CONVERTER 48V 240W240W0Näytä tiedot
AC/DC CONVERTER 12V 120WDRB120-12-3-A1AC/DC CONVERTER 12V 120W120W0Näytä tiedot
AC/DC CONVERTER 24V 240WDRB240-24-3-A1AC/DC CONVERTER 24V 240W240W0Näytä tiedot
Published: 2021-11-22