Mean Well RSD-300D-48 DC-DC Converter 67.2-143 V DC In, 48 V, 6.3 A, 302.4 W, Railway

Model number
RSD-300D-48

Mean Well RSD-300D-48 DC-DC converter from the RSD-300 series, taking 67.2-143 V DC input and giving a regulated 48 V output at up to 91.5% efficiency. Built for railway and other vehicle supplies.

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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

Output
DC voltage48V
Rated current6.3A
Current range0 ~ 6.3A
Rated power302.4W
Ripple & noise (max.)180mVp-p
Voltage tolerance±2.0%
Line regulation±0.5%
Load regulation±1.0%
Setup, rise time800ms, 50ms at full load
Input
Voltage range (continuous; 1 sec.)67.2 ~ 143VDC; 57.6 ~ 154VDC
Efficiency (typ.)91.5%
DC current (typ.)3.1A/110V
Protection
Overload105 ~ 135% rated output power; Protection type : Constant current limiting, recovers automatically after fault condition is removed
Over voltage55.2 ~ 64.8V; Protection type : Shut down o/p voltage, re-power on to recover
Over temperatureShut down o/p voltage, recovers automatically after temperature goes down
Environment
Working temp.-40 ~ +55℃ (no derating) ; +70℃ @ 60% load by free air convection ; +70℃ no derating with external base plate, TX class compliance
Working humidity5 ~ 95% RH non-condensing
Storage temp.-40 ~ +85℃
Temp. coefficient±0.03%/℃ (0 ~ 55℃)
Safety & EMC
Safety standardsIEC 62368-1, UL62368-1, AS/NZS 62368-1, EACTPTC 004 approved, Design refer to BS EN/EN62368-1
Withstand voltageI/P-O/P:4KVDC I/P-FG:2.5KVDC O/P-FG:2.5KVDC
Isolation resistanceI/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC emissionCompliance to BS EN/EN55032 (CISPR32) Conduction Emission: ClassA, Radiation Emission: Class B, EAC TPTC 020
EMC immunityCompliance to BS EN/EN61000-4-2,3,4,5,6,8, BS EN/EN55035, light industry level, EAC TPTC 020
Railway standardBS EN/EN50155 / IEC60571 including IEC61373 for shock & vibration, BS EN/EN50121-3-2 for EMC ; BS EN/EN45545-2 for fire protection
Others
MTBF1850.1K hrs min. Telcordia SR-332 (Bellcore) ; 130.8K hrs min. MIL-HDBK-217F (25℃)
Dimension216*96.5*40mm (L*W*H)
Packing1.19Kg ; 12pcs/15.3Kg/0.97CUFT

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.