Power supplies meet wide range of safety approvals

Posted By : Mick Elliott
Power supplies meet wide range of safety approvals

Medical equipment designers and OEMs can now source a wide range of fully approved medical power supplies from Gresham Power Electronics. Typical applications include medical instrumentation, ultrasound equipment, clinical and cosmetic lasers, hospital and home patient monitoring systems and IT equipment.

The micro-footprint, Ultra High Density OF(M) range of open frame power supplies are available with output power of 120, 225 and 550W and output voltages of 12, 15, 24, 30, 48 and 58VDC over an operational temperature range of  -40°C to +50°C (+70°C with derating).

This new series of open frame switching power supplies utilises a highly advanced circuitry, offers high efficiency up to 92% typical and features a universal AC input with active PFC.

All models feature an auxiliary output to power a cooling fan and an optional cover kit may be supplied to order.

Key international safety agency and EMC approvals are met as follows;EN60601-1 3rd Edition Class I or Class II, CSA/UL 60601-1 Medical Safety, IEC/EN60601-1 3rd Edition, CAN/CSA C22.2 No. 60601-1 3rd Edition, Nemko, UL, cUL and CE Marks, EN50022 (CISPR 22) FCC Part 15 Conducted-Level B, EN61000-3-2 Class D Harmonics, EN61000-4-2, 3, 4, 5 Level 3 Immunity.

The MUI310-A Series of desk-top power supplies is also available for medical applications. The universal AC input product range offers a wide selection of output voltages from 12 to 44Vdc and up to 310W output power. The high efficiency, high reliability device meets IEC 60601-1 3rd Edition and offers 2 X MOPP protection.

Gresham can also provide the DPCC fast response time, low noise capacitor charging power supplies for medical lasers. Featuring a universal mains input it is available with an output voltage from 500 to 1,000V and in three power ranges; 500 to 1500W, 1500 to 2000W or 3000 to 6000W.


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