Mean Well DDR-120B-24 DC-DC Converter 16.8-33.6 V DC In, 24 V, 5 A, 120 W, DIN Rail

Model number
DDR-120B-24

Mean Well DDR-120B-24 DC-DC converter from the DDR-120 series, taking 16.8-33.6 V DC input and giving a regulated 24 V output at up to 89.5% efficiency. Snaps onto a DIN rail.

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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

Output
DC voltage24V
Rated current5A
Current range0 ~ 5A
Rated power120W
Peak current7.5A
Peak power180W (3sec.)
Ripple & noise (max.)50mVp-p
Voltage adj. range24 ~ 28V
Voltage tolerance±1.0%
Line regulation±0.5%
Load regulation±1.0%
Setup, rise time500ms, 60ms @24Vdc
Input
Voltage range16.8 ~ 33.6Vdc
Efficiency (typ.)89.5%
DC current (typ.)5.6A @24Vdc
Inrush current (typ.)5A @ 24Vdc
Protection
Over voltage28.8 ~ 33.6V; Protection type : Shut down o/p voltage, re-power on to recover
Reverse polarityBy internal MOSFET, no damage, recovers automatically after fault condition removed
Under voltage lockout24Vin (B - type) :Power ON≥16.8V , OFF≤16.5V
Environment
Working temp.-40 ~ +70℃ (Refer to "Derating Curve")
Working humidity5 ~ 95% RH non-condensing
Storage temp., humidity-40 ~ +85℃, 5 ~ 95% RH non-condensing
Temp. coefficient±0.03%/℃ (0 ~ 55℃)
VibrationComponent:10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting: Compliance to IEC61373
Operating altitude5000 meters
Safety & EMC
Safety standardsIEC 62368-1, UL 62368-1, EAC TP TC 004, AS/NZS 62368.1 approved; Design refer to UL508
Withstand voltageI/P-O/P:4KVdc I/P-FG:2.5KVdc O/P-FG:2.5KVdc
Others
Dimension32*125.2*102mm (W*H*D)

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