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 V_AC 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 V_AC to 264 V_AC input withstanding surges of up to 300 V_AC 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 V_AC, input to ground 1,500 V_AC, and the output to ground is 500 V_AC. 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.