Power supplies having full MoPP isolation, low acoustical noise and PMBusTM‑communication

TDK Corporation announces the introduction of the TDK-Lambda brand QS series of single output medical and industrial AC-DC power supplies. Rated at 600 to 1200 W​ output power, these high efficiency products utilise low speed fan cooling, significantly reducing acoustical noise.
The QS series has been certified to both medical and industrial safety standards and are suitable for a wide range of applications, including BF rated medical equipment, test and measurement, broadcast, communications and renewable energy applications.

Three standard output voltages

Operating from a wide range 90 to 264V ac input, the QS is available with three standard output voltages: 12 V, 24 V and 48 V. The QS5 delivers 600 W​, the QS5H can deliver between 1080 to 1200 W with an input voltage of 180 Vac or greater and 700 W below 180 Vac​. The QS7 is rated at 1200 W over the full input voltage range. An optional standby/signal can be selected with a choice of one or two 5 V standby voltages, unit inhibit or unit enable and a PMBusTM interface.

IEC320 input connector or screw terminal

Overall case dimensions for the QS5 models are 127 x 63.3 x 270 mm (W x H x D) and 176 x 63.3 x 270 mm for the QS7.
The QS5 has an optional IEC320 input connector, in place of a screw terminal block, for quick and easy connection. The units will operate in ambient temperatures of -20 to +70 °C, derating the output power and output current by 2.5 % per °C above 50 °C. The QS series is covered by a seven-year warranty.
The units are certified to
IEC/EN/UL/CSA 60601-1,
ANSI/AAMI ES 60601 1,
IEC/EN 61010 1,
IEC/EN/UL/CSA 60950-1
with CE marking for the Low Voltage and RoHS2 Directives.
With an input to output isolation of 4,000 Vac (2 x MoPPs), 1.500Vac input to ground (1 x MoPP) and 1,500 Vac (1 x MoPP) output to ground, the series can be used in BF rated medical equipment. The QS has a maximum earth leakage current of 300 µA, while still complying with the EN61000-6-3:2007 and EN60601-1-2:2015 (curve B conducted and radiated) emission standards. The units also meet the EN60601-1-2 and EN61000-6-2 immunity standards. ds
If multiple output voltages are desired, the TDK‑Lambda QM series is the best choice.
Loading... Loading...