Mean Well DDR-120A-48 DC-DC Converter 9-18 V DC In, 48 V, 2.1 A, 100.8 W, DIN Rail
- Brand
- Mean Well
- Model number
- DDR-120A-48
- Category
- DC-DC Converters
Mean Well DDR-120A-48 DC-DC converter from the DDR-120 series, taking 9-18 V DC input and giving a regulated 48 V output at up to 88.5% efficiency. Snaps onto a DIN rail.
Price and availability on request
Key features
- Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
- Width only 32mm
- 2:1 wide input range
- 40~+70℃ wide working temperature
- 150% peak load capability
- DC output adjustable
- Cooling by free air convection
- Can be installed on DIN rail TS-35/7.5 or 15
- Protections: Short circuit / Overload / Over voltage / Input reverse polarity / Input under voltage protection
- 4KVdc I/O isolation(Reinforced isolation)
- 3 years warranty
Specifications
| DC voltage | 48V |
|---|---|
| Rated current | 2.1A |
| Current range | 0 ~ 2.1A |
| Rated power | 100.8W |
| Peak current | 3.15A |
| Peak power | 150W (3sec.) |
| Ripple & noise (max.) | 50mVp-p |
| Voltage adj. range | 48 ~ 56V |
| Voltage tolerance | ±1.0% |
| Line regulation | ±0.5% |
| Load regulation | ±1.0% |
| Setup, rise time | 500ms, 60ms @12Vdc |
| Voltage range | 9 ~ 18Vdc |
|---|---|
| Efficiency (typ.) | 88.5% |
| DC current (typ.) | 11.2A @12Vdc |
| Inrush current (typ.) | 5A @12Vdc |
| Over voltage | 57.6 ~ 67.2V; Protection type : Shut down o/p voltage, re-power on to recover |
|---|---|
| Reverse polarity | By internal MOSFET, no damage, recovers automatically after fault condition removed |
| Under voltage lockout | 12Vin (A - type) :Power ON≥9V , OFF≤8.5V |
| Working temp. | -40 ~ +70℃ (Refer to "Derating Curve") |
|---|---|
| Working humidity | 5 ~ 95% RH non-condensing |
| Storage temp., humidity | -40 ~ +85℃, 5 ~ 95% RH non-condensing |
| Temp. coefficient | ±0.03%/℃ (0 ~ 55℃) |
| Vibration | Component:10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting: Compliance to IEC61373 |
| Operating altitude | 5000 meters |
| Safety standards | IEC 62368-1, UL 62368-1, EAC TP TC 004, AS/NZS 62368.1 approved; Design refer to UL508 |
|---|---|
| Withstand voltage | I/P-O/P:4KVdc I/P-FG:2.5KVdc O/P-FG:2.5KVdc |
| Dimension | 32*125.2*102mm (W*H*D) |
|---|
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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