Mean Well DDRH-45-48DR DC-DC Converter 150-1500 V DC In, 48 V, 0.938 A, 45 W, DIN Rail
- Brand
- Mean Well
- Model number
- DDRH-45-48DR
- Category
- DC-DC Converters
Mean Well DDRH-45-48DR DC-DC converter from the DDRH-45 series, taking 150-1500 V DC input and giving a regulated 48 V output at up to 86% efficiency. Made for solar and battery systems with very high DC voltages.
Price and availability on request
Key features
- 150~1500Vdc 10:1 ultra-wide input range
- 4KVac l/O high isolation(Reinforced isolation)
- Protections: Short circuit / Overload / Over voltage / DC input under voltage / DC input reverse Polarity
- Fanless design, fully encapsulated, cooling by free air convection
- Can be installed on DlN rail TS-35/7.5 or 15 (DR-Type)
- 40~+80℃ ultra-wide operating temperature (＞+50℃ derating)
- Operating altitude up to 5000 meters
- 3 years warranty
- DDRH-45-xxST
Specifications
| DC voltage | 48V |
|---|---|
| Rated current | 0.938A |
| Voltage accuracy | ±2.0% |
| Rated power | 45W |
| Ripple & noise | 12 ~ 24Vo: 100mVp-p 48Vo: 150mVp-p |
| Line regulation | ±1% |
| Load regulation | ±1% (10% Load to Full Load) |
| Switching frequency (typ.) | 28 ~ 75.6KHz |
| Hold up time | 20ms min. @Vin=800Vdc |
| Setup time | 2s max. @150~1500Vdc |
| Efficiency (typ.) | 86% |
|---|---|
| Voltage range | 150 ~ 1500Vdc |
| Filter | Pi type |
| Inrush current (typ.) | Cold start 150A max. @ Vin=800Vdc |
| Short circuit | Protection type : Hiccup mode, continuous, automatic recovery; 110 ~ 300% rated output power; Protection type : Hiccup mode, recovers automatically after fault condition is removed |
|---|---|
| Over voltage protection | Hiccup mode, recovers automatically after fault condition is removed |
| Reverse polarity | By internal Bridge Diode, no damage, recovers automatically after fault condition removed; Start-up voltage 132Vdc; Shutdown voltage 121Vdc |
| Working temp. | -40 ~ +80℃ (Refer to "Derating Curve") |
|---|---|
| Working humidity | 20% ~ 90% RH non-condensing |
| Storage temp., humidity | -40 ~ +85℃, 10 ~ 95% RH non-condensing; ±0.02% ℃ (-40℃ 50℃) |
| Temp. coefficient environment | / ~ Typ. |
| Vibration | Meets: MIL.STD-810F Table 514.5C-VⅢ, 15-2000Hz, X,Y,Z axis, 1hr (each axis), total 3hrs |
| Operating altitude | 5000 meters |
| Over voltage category | Ⅱ; According to EN62109-1; altitude up to 5000 meters |
| Safety standards | UL1741, CSA C22.2 No.107.1-16, IEC62109-1(LVD), EAC TP TC 004 approved |
|---|---|
| Withstand voltage | I/P-O/P:4KVac |
| EMC immunity | Radiated Susceptibility BS EN/EN61000-4-3 Level 3, 10V, criteria A; EFT/Bursts BS EN/EN61000-4-4 Level 2, 0.5KV, criteria A; Surge BS EN/EN61000-4-5 Level 4, 2KV/Vin+ ~ Vin-, criteria A; Conducted BS EN/EN61000-4-6 Level 3, 10V, criteria A |
| MTBF | 316Khrs MIL-HDBK-217F(25℃) |
|---|---|
| Dimension | 135*70*43.5mm (L*W*H) |
| Case material | Non-conductive black plastic (UL 94V-0 rated) |
| Potting material | UL 94V-0 |
| Packing | 310g ; 6pcs/Tray, 18pcs/per carton |
| Pin material | Base: copper, Plating: Matte Tin |
| No load input current | 0.2mA |
|---|---|
| Full load input current | 75mA |
| Capacitor load (max.) | 938μF |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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