Additional Resources: Product Page 3D Model date 08/04/2020 page 1 of 6 SERIES: PDRB-300 DESCRIPTION: AC-DC DIN RAIL POWER SUPPLY FEATURES integrated fuse and surge protection 3,000 Vac input/output isolation voltage DC on/low LED indicators over-voltage/current protection detachable and fixed screw terminal options adjustable output via trim POT power good relay (24 Vdc model) parallel up to three units UL/cUL, TUV, CE certified 2 output output output ripple efficiency MODEL 1 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) PDRB-300-24 24 12.5 300 100 89 PDRB-300-48 48 6.25 300 100 90 Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope. 2. At nominal input. 3. All specifications are measured at Ta=25C, nominal input voltage, and rated output load unless otherwise specified. PART NUMBER KEY PDRB-300 - XX X Base Number Output Voltage Terminal Type: A = fixed screw terminal B = detachable screw terminal cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: PDRB-300 DESCRIPTION: AC-DC DIN RAIL POWER SUPPLY date 08/04/2020 page 2 of 6 INPUT parameter conditions/description min typ max units 90 132 Vac voltage 180 264 Vac 210 375 Vdc frequency 47 63 Hz at 90 Vac 6.0 A current at 180 Vac 3.0 A at 115 Vac 35 A inrush current at 230 Vac 65 A input to output 0.25 mA leakage current input to FG 3.5 mA power factor (passive) at 230 Vac, full load 0.75 OUTPUT parameter conditions/description min typ max units capacitive load 7,000 F initial set point accuracy 1 % line regulation at full load, V in min to V in max 0.5 % at Vi nom, 0~100% load load regulation single mode 1 % parallel mode 5 % via built in trim pot, 80% load adjustability 24 Vdc output models 22.5 28.5 Vdc 48 Vdc output models 47 56 Vdc rated continuous loading at 24 Vdc output models (28.5 Vdc) 10.5 A max trim voltage 48 Vdc output models (56 Vdc) 5.35 A at Vi nom, full load 2.5 s start-up time at Vi nom, full load with max capacitive load 2.5 s at Vi nom, full load 150 ms rise time at Vi nom, full load with max capacitive load 500 ms at 115 Vac, full load 25 ms hold-up time at 230 Vac, full load 30 ms fall time at Vi nom, full load 150 ms transient recovery time at Vi nom, 100~50% load 2 ms switching frequency at Vi nom, full load 40 kHz temperature coefficient 0.03 %/C DC ON indicator threshold at 24 Vdc output models 17.6 19.4 Vdc start-up (GREEN) 48 Vdc output models 37.0 43.0 Vdc DC LOW indicator threshold 24 Vdc output models 17.6 19.4 Vdc after start-up (RED) 48 Vdc output models 37.0 43.0 Vdc 4 parallel operation at 10~90% load 3 modules threshold voltage of contact closed (at start-up) 17.6 19.4 Vdc 5 power ready electrical isolation 500 Vdc contact rating at 60 Vdc 0.3 A Notes: 4. Single/Parallel mode operation selectable via S/P switch. 5. For 24 Vdc output models only cui.com