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Space Saving 82mm-wide 20A DIN-rail power supply eliminates inrush current

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PULS, the largest European manufacturer of high efficiency DIN-rail power supplies, announces the introduction of the latest model in its market leading Dimension Q series. The QS20.241 provides 24VDC at 20A from a 85-276V wide range AC single-phase input and is 1/3 the size of other comparable DIN-rail power supplies.

The QS20.241 offers market-leading performance through innovative design using synchronous rectification topology and digital control to not only reduce the size of the unit but offers efficiencies up to 93.9%, significantly reducing heating effects and overall energy consumption. The leading-edge design also provides 150% peak load capacity for load peaks such as motor starting and virtually eliminates start-up inrush current which reduces system cabling, fusing requirements and general over sizing of the power supply. Further, the unit will start up at -25°C and work at full rating through to +70°C making the power supply suitable for very harsh environments including outdoor control cabinets.

Other features include active power factor correction, LED status indicators, DC input from 88-375VDC, DC-OK relay contact, high reliability quick-connect spring-clamp terminals and a three year warranty. With dimensions of just 82x124x127mm an N+1 redundant power system will now only take up the same space as an existing single, unsupported, power supply.

Harry Moore, Managing Director of PULS UK comments, “We continue to lead the market with feature rich, energy efficient DIN-rail power supplies. Not only does this allow our customers to save space and reduce system heat dissipation, it also means higher reliability and lower cost of ownership.”

The QS20.241 has a full international approval package including GL Germanisher Lloyd approval for marine and offshore installations. A range of accessories is available to assist system builders; they include, wall and side-mounting bracket, diode decoupling module (YR2.diode and YRM.diode) and buffer unit (UF20.241). PULS Din-Rail power supplies are available from stock for next day delivery. For more information visit or email

+44 845 1301080

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