Mean Well RSD-300F-12 DC-DC Converter 50.4-93.6 V DC In, 12 V, 25 A, 300 W, Railway
- Brand
- Mean Well
- Model number
- RSD-300F-12
- Category
- DC-DC Converters
Mean Well RSD-300F-12 DC-DC converter from the RSD-300 series, taking 50.4-93.6 V DC input and giving a regulated 12 V output at up to 91% efficiency. Built for railway and other vehicle supplies.
Price and availability on request
Key features
- Compliance to BS EN/EN50155 and BS EN/EN45545-2 railway standard
- 2:1 wide input range
- Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity
- 4000VDC I/O isolation
- Cooling by free air convection
- Half encapsulated
- Built-in constant current limiting circuit
- 1U low profile 40mm
- All using 105℃ long life electrolytic capacitors
- LED indicator for power on
- 100% full load burn-in test
- 3 years warranty
Specifications
| DC voltage | 12V |
|---|---|
| Rated current | 25A |
| Current range | 0 ~ 25A |
| Rated power | 300W |
| Ripple & noise (max.) | 120mVp-p |
| Voltage tolerance | ±2.0% |
| Line regulation | ±0.3% |
| Load regulation | ±1.0% |
| Setup, rise time | 800ms, 50ms at full load |
| Voltage range (continuous; 1 sec.) | 50.4 ~ 93.6VDC; 43.2 ~ 100.8VDC |
|---|---|
| Efficiency (typ.) | 91% |
| DC current (typ.) | 4.6A/72V |
| Overload | 105 ~ 135% rated output power; Protection type : Constant current limiting, recovers automatically after fault condition is removed |
|---|---|
| Over voltage | 13.8 ~ 16.2V; Protection type : Shut down o/p voltage, re-power on to recover |
| Over temperature | Shut down o/p voltage, recovers automatically after temperature goes down |
| Working temp. | -40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance |
|---|---|
| Working humidity | 5 ~ 95% RH non-condensing |
| Storage temp. | -40 ~ +85℃ |
| Temp. coefficient | ±0.03%/℃ (0 ~ 55℃) |
| Safety standards | IEC 62368-1, UL62368-1, AS/NZS 62368-1, EACTPTC 004 approved, Design refer to BS EN/EN62368-1 |
|---|---|
| Withstand voltage | I/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC |
| Isolation resistance | I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH |
| EMC emission | Compliance to BS EN/EN55032 (CISPR32) Conduction Emission: ClassA, Radiation Emission: Class B, EAC TPTC 020 |
| EMC immunity | Compliance to BS EN/EN61000-4-2,3,4,5,6,8, BS EN/EN55035, light industry level, EAC TPTC 020 |
| Railway standard | BS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration, BS EN/EN50121-3-2 for EMC ; BS EN/EN45545-2 for fire protection |
| MTBF | 1850.1K hrs min. Telcordia SR-332 (Bellcore) ; 130.8K hrs min. MIL-HDBK-217F (25℃) |
|---|---|
| Dimension | 216*96.5*40mm (L*W*H) |
| Packing | 1.19Kg ; 12pcs/15.3Kg/0.97CUFT |
Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.
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