LPS200-M series power supplies feature a universal 90-264 Vac input – enabling them to be used anywhere in the world – and are also capable of operating from a 120-300 Vdc input. The series comprises two power supplies; the LPS203-M, which has a 12 Vdc main output, and the LPS205-M, which has a 24 Vdc main output. The 12 V model can deliver up to 10.3 A continuously with convection cooling, or up to 20.8 A continuously with 30 CFM forced air cooling, while the 24 V model is rated at 5.2 A continuous with convection cooling and 10.4 A continuous with 30 CFM forced air cooling. The main output of each model can be adjusted up to 10 percent either side of nominal, and is tightly regulated to within ±2 percent for all line and load conditions. Remote sense facilities are provided to compensate for a drop of up to 0.5 V between the output terminals and the load.
In addition to their main output, both the LPS203-M and LPS205-M also produce an isolated 12 Vdc fan output; capable of delivering up to 1 A, this output is regulated to within ±5 percent.
Active power factor correction is employed to minimise input harmonic current distortion and ensure compliance with the international EN61000-3-2 standard – LPS200-M series supplies have a power factor of 0.99 typical. Both power supplies have a maximum safety-ground leakage current of 275 µA, and have a main output hold-up time of 16 ms minimum when fed with a 120 Vac input and delivering 250 watts of output power.
LPS200-M series power supplies are comprehensively protected against overvoltage, overtemperature and short-circuit conditions, and feature a ‘power fail’ signal for remote monitoring purposes which will change state at least 6 ms before the main output loses regulation. The power supplies have a full load ambient operating temperature range of 0 to +50 Celsius without de-rating and can cold-start from temperatures as low as -20 degrees Celsius. Between 50 and 70 degrees Celsius, the output should be derated by 2.5 percent per degree.
Emerson Network Power’s LPS200-M series ac-dc power supplies comply with the rigorous EN55022-B and FCC part 15 Level B EMC standards for conducted noise and meet all applicable immunity standards, including EN61000-4-2, -3, -4, -5, -6, -8 and -11 levels 3. The power supplies carry a wide set of safety approvals, including UL/TUV/CSA 60950-1 and non-patient contact and non-patient critical 60601-1.
LPS200-M series ac-dc power supplies are available for immediate delivery. Standard lead-time is stock to 8 weeks.