Medical and industrial AC/DC power supply series offers high power in a compact package

TDK Corporation has added 1200W-rated models to the TDK-Lambda CUS-M series of 30W to 1500W AC/DC power supplies. These latest products have a 187mm x 93mm footprint and a low 42.5mm profile. The CUS1200M features a variable speed fan with audible noise as low as 30dBA at 20% load and 42dBA at full load. The power supplies can be employed in a wide range of applications, including medical, dental, test and measurement, broadcast, and industrial equipment.

The series accepts an 85VAC to 265VAC input, delivering full power at 90VAC, and is available with 24V, 36V, and 48V outputs. A 5V 2A standby voltage, remote on/off, remote sense and a power good signal are fitted as standard. With efficiencies of up to 95.5%, internal heating is reduced, delivering reliable operation in a compact size. The off-load power consumption is typically <0.6W when the supply is put into standby mode. The models can operate in ambient temperatures between -20C and +70C, derating linearly at high temperatures. The series has a five-year warranty.

The CUS1200M series has an input to output isolation of 4000VAC (2 x MoPP), an input to ground isolation of 2000VAC (1 x MoPP), and an output to ground isolation of 1500VAC (1 x MoPP) for B and BF rated medical equipment. The leakage current is <250µA, with a maximum operating, transportation, and storage altitude of 5000m.

Safety certifications include IEC/EN/ES 60601-1 and IEC/EN/UL 62368-1 with CE/UKCA marking for the Low Voltage, EMC, and RoHS Directives. The units also comply with EN 55011-B and EN 55032-B conducted and radiated emissions, and meet the EN 61000-3-2 harmonics, IEC60601-1-2 Edition 4, and IEC 61000-4 immunity standards.

Main applications include medical, dental, test and measurement, broadcast, and industrial equipment.