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TDK-Lambda News
1500W medical power supplies offer low acoustic noise and meet class B radiated / conducted EMI standards
Posted : 15 Oct 2018
CUS1500M PR Oct18
TDK Corporation (TSE 6762) announces the introduction of the CUS1500M series of 1500W rated AC-DC power supplies, extending TDK-Lambda’s 30 to 350W CUS-M range. With medical and ITE (Information Technology Equipment) certifications, these 7-year warranty products feature low acoustic noise (<45dBA) and meet class B radiated and conduction EMI standards. These high power models are targeted for use in medical and scientific equipment requiring low audible noise for patient and operator comfort.
The CUS1500M operates from a wide-range input of 85 to 265Vac with an earth leakage current of <300µA, and can be used in ambient temperatures of -20 to +60°C, derating linearly above 50°C to 60% load at 60°C. A variable speed fan ensures low acoustic noise. The units are available with 12V, 15V, 24V, 36V and 48V outputs, adjustable by -15/+20% (48V:-15/+10%) to accommodate non-standard voltages.
The fully featured series has an isolated 5V 1A standby voltage, remote on/off, an output-low/fan-fail isolated signal and parallel capability for up to five units. Screw terminal blocks with covers, rather than busbars, simplify the connection of multiple cables. The output terminal blocks can be user configured for vertical or horizontal orientation for easy cable routing. The case dimensions are a compact 127 x 63 x 261mm.
The units are safety certified to IEC/EN/ES/CSA 60601-1, IEC/EN/US/CSA 60950-1 (IEC 62368-1 pending), EN 62477-1 (OVC III), with CE marking for the Low Voltage, EMC and RoHS2 Directives. Input to output isolation is 4,000Vac (2 x MoPP), input to ground 2,000Vac (1 x MoPP) and 1,500Vac output to ground (1 x MoPP) for suitability with B and BF rated equipment. The units also comply with EN 55011-B and EN 55032-B conducted and radiated emissions, meet the EN 61000-3-2 harmonics and EN 60601-1-2 (Edition 4) immunity standards.
The CUS1500M operates from a wide-range input of 85 to 265Vac with an earth leakage current of <300µA, and can be used in ambient temperatures of -20 to +60°C, derating linearly above 50°C to 60% load at 60°C. A variable speed fan ensures low acoustic noise. The units are available with 12V, 15V, 24V, 36V and 48V outputs, adjustable by -15/+20% (48V:-15/+10%) to accommodate non-standard voltages.
The fully featured series has an isolated 5V 1A standby voltage, remote on/off, an output-low/fan-fail isolated signal and parallel capability for up to five units. Screw terminal blocks with covers, rather than busbars, simplify the connection of multiple cables. The output terminal blocks can be user configured for vertical or horizontal orientation for easy cable routing. The case dimensions are a compact 127 x 63 x 261mm.
The units are safety certified to IEC/EN/ES/CSA 60601-1, IEC/EN/US/CSA 60950-1 (IEC 62368-1 pending), EN 62477-1 (OVC III), with CE marking for the Low Voltage, EMC and RoHS2 Directives. Input to output isolation is 4,000Vac (2 x MoPP), input to ground 2,000Vac (1 x MoPP) and 1,500Vac output to ground (1 x MoPP) for suitability with B and BF rated equipment. The units also comply with EN 55011-B and EN 55032-B conducted and radiated emissions, meet the EN 61000-3-2 harmonics and EN 60601-1-2 (Edition 4) immunity standards.