Mean Well DDRH-120-32 DC-DC Converter 250-1500 V DC In, 32 V, 3.75 A, 120 W, DIN Rail, Ultra Wide Input

Model number
DDRH-120-32

Mean Well DDRH-120-32 DC-DC converter from the DDRH-120 series, taking 250-1500 V DC input and giving a regulated 32 V output at up to 90% efficiency. Made for solar and battery systems with very high DC voltages.

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Key features

  • 250~ 1500Vdc 6:1 ultra-wide input range
  • Withstand 1700Vdc surge input for 10 seconds
  • 63mm slim width
  • 4KVac I/O high isolation(Reinforced isolation)
  • Protections: Short circuit / Overload / Over voltage / Over temperature / DC input under voltage / DC input reverse polarity
  • Fanless design, cooling by free air convection
  • 3 years warranty
  • Can be installed on DIN rail TS-35/7.5 or 15
  • 40~+80°C ultra-wide operating temperature (>+50°C derating)
  • Over voltage categoryⅡ
  • Operating altitude up to 5000 meters
  • DC OK relay contact
  • DC output voltage adjustable(12~15V, 24~29V, 30~36V, 48~58V)
  • Conformal coating

Specifications

Output
DC voltage32V
Rated current3.75A
Current range0 ~ 3.75A
Rated power120W
Ripple & noise (max.)240mVp-p
Voltage adj. range30 ~ 36V
Voltage tolerance±1.0%
Line regulation±0.5%
Load regulation±1.0%
External capacitance load (max.)2000μF
Input
Voltage range250 ~ 1500Vdc
Efficiency (typ.)90%; 91%; 87%
Inrush current (max.)COLD START 300A/1500Vdc 200A/800Vdc 70A/250Vdc
Protection
Overload105 ~ 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 voltage40 ~ 48V; Protection type : Hiccup mode, recovers automatically after fault condition is removed
Over temperatureProtection type : Hiccup mode, recovers automatically after fault condition is removed
Reverse polarityBy internal Bridge Diode, no damage, recovers automatically after fault condition removed
DC input under voltage lockoutUnder voltage protection range:200 ~ 230Vdc , Under voltage release range:230 ~ 245Vdc
Function
DC OK signalRelay contact rating(max.) : 30V / 1Aresistive
Environment
Working temp.-40 ~ +80℃ (Refer to "Derating Curve")
Working humidity20 ~ 90% RH non-condensing
Storage temp., humidity-40 ~ +80℃, 10 ~ 95% RH non-condensing
Temp. coefficient±0.03%/℃ (0 ~ 50℃)
VibrationComponent: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting clip: Compliance to IEC60068-2-6
Operating altitude5000m
Over voltage categoryOVCⅡ2000m;According to EN62109-1
Safety & EMC
Safety standardsUL1741, CSAC22.2 No.107.1-16 , IEC62109-1, BS EN/EN62109-1, EAC TPTC 004 approved
Withstand voltageI/P-O/P:4KVAC I/P-FG :3.75KVAC O/P-FG :2KVAC O/P-DC OK:0.5KVAC
Isolation resistanceI/P-O/P, 100M Ohms / 500VDC / 25℃/ 70% RH
Others
MTBF257.2 Khrs min. MIL-HDBK-217F (25℃); 1596.3 Khrs min. Telcordia TR/SR-332 (Bellcore) (25℃)
Dimension63*125.2*115mm (W*H*D)
Packing0.845Kg; 12pcs/12.6Kg/1.02CUFT

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