Mean Well RSDH-300-12 DC-DC Converter 250-1500 V DC In, 12 V, 20 A, 240 W, Railway, Ultra Wide Input
- Brand
- Mean Well
- Model number
- RSDH-300-12
- Category
- DC-DC Converters
Mean Well RSDH-300-12 DC-DC converter from the RSDH-300 series, taking 250-1500 V DC input and giving a regulated 12 V output at up to 87% efficiency. Built for railway and other vehicle supplies.
Price and availability on request
Key features
- 250~ 1500Vdc 6:1 ultra-wide input range
- Withstand 1700Vdc surge input for 10 seconds
- 4KVac I/O high isolation(Reinforced isolation)
- Protections: Short circuit / Overload / Over voltage / Over temperature ·Industrial control system DC input under voltage / DC input reverse polarity
- Fanless design, half encapsulated, cooling by free air convection
- 40~+80°C ultra-wide operating temperature (＞+55°C derating)
- Over voltage categoryⅡ
- Operating altitude up to 5000 meters
- DC output voltage adjustable(12~15V, 24~29V, 30~36V, 48~58V)
- 1U low profile 41mm
- Half encapsulated
- 3 years warranty
Specifications
| DC voltage | 12V |
|---|---|
| Rated current | 20A |
| Current range | 0 ~ 20A |
| Rated power | 240W |
| Ripple & noise (max.) | 120mVp-p |
| Voltage adj. range | 12 ~ 15V |
| Voltage tolerance | ±1.5% |
| Line regulation | ±0.5% |
| Load regulation | ±1.5% |
| External capacitance load (max.) | 8000μF |
| Voltage range | 250 ~ 1500Vdc |
|---|---|
| Efficiency (typ.) | 87%; 88%; 86% |
| Inrush current (max.) | COLD START 500A/1500Vdc 300A/800Vdc 120A/300Vdc |
| Overload | 105 ~ 135% rated output power; Protection type : Hiccup mode when output voltage<55%, recovers automatically after condition is removed;; Constant current limiting, recovers automatically after fault condition is removed within 55% ~ 100% rated output voltage |
|---|---|
| Over voltage | 16.5 ~ 21V; Protection type : Hiccup mode, recovers automatically after fault condition is removed |
| Over temperature | Protection type : Hiccup mode, recovers automatically after fault condition is removed |
| Reverse polarity | By internal Bridge Diode, no damage, recovers automatically after fault condition removed |
| DC input under voltage lockout | Under voltage protection range: 200 ~ 225Vdc , Under voltage release range:225 ~ 246.5Vdc |
| Working temp. | -40 ~ +80℃ (Refer to "Derating Curve") |
|---|---|
| Working humidity | 20 ~ 90% RH non-condensing |
| Storage temp., humidity | -40 ~ +80℃, 10 ~ 95% RH non-condensing |
| Temp. coefficient | ±0.03%/℃ (0 ~ 55℃) |
| Vibration | Component: 10 ~ 500Hz, 3G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting clip: Compliance to IEC60068-2-6 |
| Operating altitude | 5000m |
| Over voltage category | OVCⅡ 2000m;According to EN62109-1 |
| Safety standards | UL1741, CSAC22.2 No.107.1-16 , IEC62109-1, BS EN/EN62109-1, EAC TPTC 004 approved |
|---|---|
| Withstand voltage | I/P-O/P:4KVAC I/P-FG:3.75KVAC O/P-FG:2KVAC |
| Dimension | 237*100*41mm (L*W*H) |
|---|
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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