A family of UL listed and CSA Certified switching power supplies deliver a control voltage of 24 Vdc at an output of 1.25 to 40 A. Wieland Inc, Burgaw, NC, offers nine models including six single phase and three 3-phase approved worldwide for a temperature range from -25 to 71°C. All models feature short circuit protection and a reliable design.
The six fully enclosed, single-phase units take minimum space on the DIN rail as their width varies from only 1.7 in. (43.5 mm) to 6.9 in. (175 mm). All single-phase models accept a wide universal input voltage range, allowing one unit to operate in many applications. Input voltage for three units range from 115 and 230 Vac and 210 to 375 Vdc, for two units from 85 to 264 Vac and 90 to 375 Vdc, and for one unit from 115 and 230 Vac and 120 to 370 Vdc. Output current varies from 1.25 to 20 Adc.
The three fully enclosed, three-phase units measure only 3.5 in. (90 mm) to 10.9 in. (276 mm) wide. All three-phase models accept a wide universal input range, 400 to 500 Vac and 480 to 820 Vdc. Output current varies from 10 to 40 Adc. Single-phase and three-phase units feature touch-proof screw terminations for input and output wire connections to ensure personnel safety.
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