The new triple-output switch mode power supplies from Lambda are aimed at factory automation control systems, data processing, test and measurement equipment

The new JWT 75W and 100W triple-output switch mode power supplies from Lambda, the world's leading power supply manufacturer, are ideal for fulfilling the demands of factory automation control systems, data processing, test and measurement equipment as well as optical instruments and medical apparatus.

This article was originally published on Electronicstalk on 14 March 2000 at 8.00am (UK)
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The JWT's universal input makes it extremely flexible and versatile.

The power supply accepts voltages of 85-265V AC (47Hz up to 63Hz) or 120-330V DC.

Three output configurations are available: 5V/+12V/-12V, 5V/+15V/-15V or 5V/+12V/-5V.

Also available is a model with remote ON/OFF control.

This function allows users to turn the outputs on and off without switching the AC input on and off.

Over current protection starts acting if the current reaches more than 105%.

Additional over-voltage protection based on the inverter shutdown method is built into the +5V output triggering at values of 5.7 to 7V.

This will parallel shutdown all other outputs and is reset manually.

Convection cooled JWT units are designed to operate between -10øC and +65øC.

The JWT series is CE marked in accordance with the low voltage directive, and complies with UL1950, CSA950 (C-UL), EN60950 (TšV), VDE0160 (TšV) and DENTORI safety standards, as well as EMC regulations regarding conducted and radiated emission, harmonics and immunity.

The JWT 75 measures 42 (with cover) x 205 x 92mm and weighs 600g while the JWT 100 is 48 (with cover) x 220 x 92mm and 720g.

Four cover options are available and include standard open frame and terminal block, with cover and terminal block, open frame with connectors and with cover and connectors.