XP Power's DNR range of slimline AC/DC DIN-rail power supplies pack more power onto a rail, or, alternatively, they shrink system size for a given power level, says the manufacturer. The RoHS compliant, compact units start at 22,6 mm wide. The most suitable applications for these rugged DIN-rail power supplies are factory automation, light industrial, process control and instrumentation.
With single-phase AC input, ratings of 5, 10, 18, 30, 60, 120 and 240 W are available. There is a choice of 70 models with output voltages from 5 to 48 V d.c., offering a solution for virtually any industrial application. A wide output adjustment range is standard on all models. For example the 24 V units are adjustable from 21,6 to 30 V, depending on the model. An operating temperature range of -10 to +70°C with full power up to 60°C ensures no derating at high temperatures. The power supply is also capable of 70% power at +70°C.
From the 30 W models upwards, the efficiency is between 84 and 90% for 12 V or higher voltage models. A parallel function on the 120 W and 240 W models is provided for higher power requirements - up to three modules can be paralleled. For monitoring, the 24 V models at all power levels above 18 W come equipped with a DC-OK relay, and all units feature a DC-on indicator.
The DNR power supplies are very compact; the 5, 10 and 18 W models measure 115 x 88,5 x 22,6 mm (D x H x W). Options available include spring clip or screw connections to simplify wiring, detachable connectors, and a power factor correction option on the 120 W model. The 240 W models come with PFC as standard. All units have built in overvoltage and overload protection.
The supplies are approved to EN60950 for ITE and UL508 for industrial applications. They also meet EN61000-3-2,-3 and Level B performance for conducted emissions.
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