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Transformer targets medical apps

Posted: 24 Mar 2005 ?? ?Print Version ?Bookmark and Share

Keywords:signal transformer? bel fuse? m4l? power isolation transformer? transformer?

Signal Transformer, a subsidiary of Bel Fuse Inc., has expanded its M4L series of international power isolation transformers to include the 450VA rated M4L-1-4, M4L-2-4, and M4L-3-4 devices that meet medical safety standards and low radio frequency interference (RFI) and electromagnetic interference (EMI) requirements.

These new transformers provide reinforced isolation between the mains supply and sensitive electronic equipment. They are in full compliance with the leakage and insulation requirements as stipulated by IEC 61558-1-2 and UL safety standard 60601-1.

The chassis mount devices feature a non-concentric winding platform to provide reinforced isolation and superior dielectric performance. The entire M4L transformer series is dielectric strength tested to 4kV; offers an extremely low, less than 30?A leakage current; and incorporates a UL-recognized class F (155C) insulation system. Rated at 50Hz/60Hz, the series provides operational voltages of 115V, 230V and 100V to 115V/200V to 230V.

These laminated transformers offer a vertical-mount configuration to minimize their footprint, and a modular "touch safe" terminal assembly to prevent shock hazards. They can be used in a variety of medical and dental instruments such as EEG monitors, electro-surgical equipment, hospital beds, portable lab cabinets, sterilizing equipment, medical grade linear power supplies, data processing isolation and ultrasonic devices.

The power transformers feature quick-connect/screw-type terminals, and are constructed of low-loss magnetic steel and UL 94 V0 flame rated polymers. They measure 114.3(L)-by-109.9(W)-by-114.3(H)mm, and weigh 5kg.

Pricing for the M4L series ranges from $59.50 to $62.45 each, depending on operational voltage in quantities of 100. Delivery is from stock to six weeks.

- Gina Roos
eeProductCenter




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