DRB Series 120 W and 240 W DIN Rail Power Supplies

By TDK-Lambda Americas, Inc. 189

DRB Series 120 W and 240 W DIN Rail Power Supplies

TDK-Lambda's 120 W and 240 W rated, DRB series of AC-DC DIN rail mount power supplies feature narrow widths allowing additional devices to be installed on the rail, saving cabinet space. The high 93% efficiency produces less internal waste heat enabling electrolytic capacitors to run cooler, extending field operating life to greater than 7 years at 75% load, 230 VAC input. Applications include industrial process control, factory automation, semiconductor fabrication, and test and measurement equipment.

Rated for continuous operation at 120 W and 240 W, the DRBs can deliver a +20% peak load for up to 10 seconds. The power supplies are currently available with a 24 V output, adjustable from 24 V to 28 V, and can accept an 85 VAC to 264 VAC input withstanding surges of up to 300 VAC for 5 seconds. The operating ambient temperature is -25°C to +70°C, -40°C cold start, derating linearly above 55°C to 50% load at 70°C.

In addition to a front panel LED, an isolated DC OK optocoupled signal is provided to show the output status either locally or remotely. The DRB120 and DRB240 have a rugged metal enclosure measuring 124 mm in height, 125 mm deep, and narrow widths of 35 mm and 41 mm, respectively.

Input to output isolation is 3,000 VAC, input to ground 1,500 VAC, and the output to ground is 500 VAC. Both models are certified to the safety standards of IEC/UL/CSA/EN 60950-1, IEC/UL/CSA/EN 62368-1, UL508, IEC/EN 62477-1 (OVC III), and are CE marked in accordance to the low voltage, EMC, and RoHS Directives. The DRBs are compliant to EN55011-B, EN55032-B, CISPR11-B, CISPR22-B, EN61204-3 (Class A) radiated and conducted emissions, EN 61000-3-2 harmonics, IEC 61000-4 immunity, and SEMI F47 line dip standards.

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