Compact 960 W DIN rail power supply with 1,440 W peak rating and 95 % efficiency

The new TDK-Lambda DRF960-24-1 DIN rail power supply from TDK Corporation delivers 150 % peak power (60 A instead of 40 A at 24 V) for up to 4 seconds. The product has a very narrow 110 mm width, freeing additional space for other DIN rail mount assemblies.
With an efficiency of 95 %, significantly less internal heat is generated, resulting in cooler electrolytic capacitors. Operating field life is calculated at greater than 10 years at 75 % load, 40 °C ambient, and 230 Vac input. This energy efficient power supply is suitable for a wide range of industrial applications including factory automation, process control and test and measurement equipment.
The 24 V output is adjustable from 24 to 28 V, using the front panel potentiometer or an external 5 to 6 Vdc source, to compensate for blocking diodes or FETs in redundant configurations. Also provided as standard is a DC OK relay contact, rated at 30 V 1A, and remote on/off functionality. The DRF960 power consumption is less than 1W to reduce energy consumption when the output is inhibited. Up to five units can be connected together in parallel when set in droop mode current share. The DRF960 is housed in a robust metal enclosure, measuring 123.4 mm in height, 139 mm deep and a width of just 110 mm. The power supply can operate from a wide range 180 – 264 Vac, 47 – 63 Hz input. Input to output isolation is 3,000 Vac, input to ground 1,500 Vac and output to ground 500 Vac. The DRF960 is rated for operation in -25 °C to +70 °C ambient temperatures (40 °C cold start), derating linearly above 60 °C to 50 % load at 70 °C. The unit is safety certified to IEC/EN/UL/CSA 60950-1, UL 508 and is CE marked for the Low Voltage, EMC and RoHS Directives. The unit meets EN 55032-B radiated and conducted emissions, and complies with the EN 61000-4 immunity standards.

The TDK-Lambda DRF960 at a glance

  • Excellent efficiency – up to 95 %
  • Extremely narrow case
  • Market leading no load power consumption
  • ErP compliant
  • Remote On/Off
  • 24 VDC output
  • Single phase input
  • 120 W, 240 W, 480 W and 960 W models
  • 150 % peak power
  • 5 year warranty
Find out more now!
sps 2019 – Halle 4, Booth 121
Nuremberg, 2019, November 26 - 28
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