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Mean Well DDRH-30-12DR Ultra Wide Input DC-DC Converter, 30W 12V, Din Rail Type 2.5A

150~1500VDC 10:1 ultra-wide input rangefanless design-40~80°C ultra-wide operating temperature
SKU DDRH-30-12DR
$82.50 USD
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Model

Select model — 12 in this family

DDRH-30-12DR
Available to order
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Overview

DDRH-30-12DR is the 12V output model of this series: rated power 30W, typical efficiency 85%.

DDRH-30 series is a 150 ~ 1500Vdc high reliable ultra-high input DC-DC converter which can supply stable working voltage for the load. Main features are as following: compact size, -40~+80℃ wide range operating temperature, 4KVac high isolation voltage, operation at 5000m altitude, low ripple & noise, complete protections and so on. Futhermore, this series also has DIN Rail type, it is suitable to be mounted on TS-35/7.5 or TS-35/15 rails. DDRH-30 is designed to meet UL1741and IEC62109-1 standard. It is suitable for industrial automation, surveillance, telecommunication and can be widely deployed in the applications of new energy generation such as solar power, and windmill power generation, for instances, photovoltaic power systems, high voltage inverting , DC bus centralized application , ESS, charging pile, railway and so forth.

Features

  • 150~1500Vdc 10:1 ultra-wide input range
  • 4KVac I/O high isolation(Reinforced isolation)
  • Protections: Short circuit / Overload / Over voltage / DC input under voltage / DC input reverse Polarity
  • Fanless design, fully encapsulated, cooling by free air convection
  • Can be installed on DIN rail TS-35/7.5 or 15 (DR-Type)
  • -40~+80℃ ultra-wide operating temperature (>+50℃ derating)
  • Operating altitude up to 5000 meters
  • 3 years warranty

Specifications

DDRH-30-12DRSpecifications from the official datasheet (2024-10-18 edition)

INPUT

INPUT VOLTAGE (RANGE)
Nominal 800Vdc (150~1500Vdc)
INPUT CURRENT NO LOAD
0.2mA
INPUT CURRENT FULL LOAD
50mA
VOLTAGE RANGE
150 ~ 1500Vdc
FILTER
Internal capacitor
EXTERNAL INPUT FUSE
4A/1500Vdc, required (Please refer to page 6 for more details)
INRUSH CURRENT (Typ.)
Cold start 150A max. @ Vin=800Vdc

OUTPUT

OUTPUT VOLTAGE
12V
OUTPUT CURRENT
2.5A
EFFICIENCY (Typ.)
85%
CAPACITOR LOAD (MAX.)
2500μF
VOLTAGE ACCURACY
±2.0%
RATED POWER
30W
RIPPLE & NOISENote.2
12 ~ 24Vo: 100mVp-p 48Vo: 150mVp-p
LINE REGULATION
±1%
LOAD REGULATION
±1% (10% Load to Full Load)
SWITCHING FREQUENCY (Typ.)
28 ~ 75.6KHz
HOLD UP TIME
16ms min. @Vin=800Vdc
SETUP TIME
2s max. @150~1500Vdc

PROTECTION

SHORT CIRCUIT
Protection type : Hiccup mode, continuous, automatic recovery
OVERLOAD
110 ~ 300% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
Hiccup mode, recovers automatically after fault condition is removed
DC INPUT REVERSE POLARITY
By internal Bridge Diode, no damage, recovers automatically after fault condition removed
DC INPUT UNDER VOLTAGE LOCKOUT Start-up voltage
144Vdc
DC INPUT UNDER VOLTAGE LOCKOUT Shutdown voltage
132Vdc

ENVIRONMENT

WORKING TEMP.
-40 ~ +80℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
±0.02% / ℃ (-40℃ ~ 50℃) Typ.
VIBRATION
Meets: MIL.STD-810F Table 514.5C-VⅢ, 15-2000Hz, X,Y,Z axis, 1hr (each axis), total 3hrs
OPERATING ALTITUDENote.3
5000 meters
OVER VOLTAGE CATEGORY
Ⅱ; According to EN62109-1; altitude up to 5000 meters

SAFETY & EMC

SAFETY STANDARDS
UL1741 , CSA C22.2 No.107.1-16 , IEC62109-1 (LVD), EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:4KVac
ISOLATION RESISTANCE
I/P-O/P, 100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
ParameterStandardTest Level
ConductedBS EN/EN55032Class A (with external components)
RadiatedBS EN/EN55032Class A (with external components)
EMC IMMUNITYNote.4

BS EN/EN55035

ParameterStandardTest Level
ESDBS EN/EN61000-4-2Level 3, 8KV air; Level 2, 4KV contact, criteria A
Radiated SusceptibilityBS EN/EN61000-4-3Level 3, 10V, criteria A
EFT/BurestBS EN/EN61000-4-4Level 2, 0.5KV, criteria A
SurgeBS EN/EN61000-4-5Level 4, 2KV/Vin+ ~ Vin-, criteria A
ConductedBS EN/EN61000-4-6Level 3, 10V, criteria A

OTHERS

MTBF
318Khrs MIL-HDBK-217F(25℃)
DIMENSION (L*W*H)
P Type: 89*63.5*25mm, ST Type: 135*70*32mm, DR Type: 135*70*43.5mm
CASE MATERIAL
Non-conductive black plastic (UL 94V-0 rated)
POTTING MATERIAL
UL 94V-0
PIN MATERIAL
Base: copper, Plating: Matte Tin
PACKING
P Type : 240g ; 6pcs/Tray, 18pcs/per carton ST Type : 305g ; 6pcs/Tray, 18pcs/per carton DR Type : 310g ; 6pcs/Tray, 18pcs/per carton
Test conditions and notes4
  1. 1. All parameters NOT specially mentioned are measured at 800Vdc input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μf & 47μf parallel capacitor.
  3. 3. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
  4. 4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)

Technical drawings

DDRH-30-12DR LOAD(%)
LOAD(%)
DDRH-30-12DR ‧Tolerance: x.x±0.7mm (x.x±0.0275")
‧Tolerance: x.x±0.7mm (x.x±0.0275")
DDRH-30-12DR ‧Tolerance: x.x±0.7mm (x.x±0.0275") (2)
‧Tolerance: x.x±0.7mm (x.x±0.0275") (2)
DDRH-30-12DR DDRH-30-xxST (Screw Terminal Type)
DDRH-30-xxST (Screw Terminal Type)
DDRH-30-12DR DDRH-30-xxDR (DIN Rail Type)
DDRH-30-xxDR (DIN Rail Type)
DDRH-30-12DR Installation Instruction(DDRH-30-xxDR only)
Installation Instruction(DDRH-30-xxDR only)
DDRH-30-12DR External Fuse Wiring Instruction
External Fuse Wiring Instruction
DDRH-30-12DR Packing
Packing
DDRH-30-12DR DDRH-30-xxST
DDRH-30-xxST
DDRH-30-12DR DDRH-30-xxDR
DDRH-30-xxDR

Typical applications

  • Photovoltaic power generation
  • Renewable Energy System
  • High voltage frequency conversion
  • Industrial control system
  • Semiconductor fabrication equipment
  • Electro-mechanical apparatus
  • DC bus centralized application
  • Energy storage system(ESS)
  • Charging pile
  • Third rail

Downloads

FAQ

Can the DDRH-30-12DR power small 12V PLCs or HMI panels mounted on a DIN rail?

Yes. The DDRH-30-12DR provides 30W at 12V and 2.5A in a DIN rail-mount package, making it suitable for powering compact 12V PLCs, HMI displays, or relay modules in a control cabinet. Its 10:1 ultra-wide input (150–1500VDC) allows operation from a wide variety of DC bus sources.

Is the DDRH-30-12DR suitable for 12V embedded control boards or single-board computers in industrial enclosures?

Yes. At 30W and 2.5A, the DDRH-30-12DR can power embedded control boards, single-board computers, or lightweight industrial computing platforms that operate at 12V. The DIN rail mount and -40°C to +80°C operating range (with derating per the derating curve) suit enclosed cabinet deployments where space is a constraint.

Can this unit supply 12V sensors, encoders, or proximity switches in an automation system?

Yes. The DDRH-30-12DR's 30W and 2.5A output is appropriate for a cluster of 12V sensors, encoders, or proximity switches in machine automation. Its 10:1 input ratio (150–1500VDC) handles diverse DC bus voltages found in automation backbones.

What temperature range does the DDRH-30-12DR support for use in cold or high-heat environments?

The DDRH-30-12DR is rated for -40°C to +80°C operation (with load derating at higher ambient temperatures per the derating curve), covering cold storage, outdoor installations in cold climates, and high-ambient industrial settings. No IP rating is listed, so it should be installed in a suitable protective enclosure for environments with moisture or dust.

How does the DDRH-30-12DR differ from the DDRH-30-12P and DDRH-30-12ST variants?

All three variants share identical electrical specs: 30W, 12V, 2.5A, and a 150–1500VDC input range. The DDRH-30-12DR is DIN rail-mount (135.0 × 70.0 × 43.5 mm, 0.31 kg), the DDRH-30-12P is PCB-mount (89.0 × 63.5 × 25.0 mm, 0.24 kg), and the DDRH-30-12ST uses screw terminal mounting (135.0 × 70.0 × 32.0 mm, 0.305 kg). Choose based on your mounting requirement.

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Mean Well DDRH-30-12DR Ultra Wide Input DC-DC Converter, 30W 12V, Din Rail Type 2.5A
Mean Well

Mean Well DDRH-30-12DR Ultra Wide Input DC-DC Converter, 30W 12V, Din Rail Type 2.5A

$82.50 USD

DDRH-30-12DR is the 12V output model of this series: rated power 30W, typical efficiency 85%.

DDRH-30 series is a 150 ~ 1500Vdc high reliable ultra-high input DC-DC converter which can supply stable working voltage for the load. Main features are as following: compact size, -40~+80℃ wide range operating temperature, 4KVac high isolation voltage, operation at 5000m altitude, low ripple & noise, complete protections and so on. Futhermore, this series also has DIN Rail type, it is suitable to be mounted on TS-35/7.5 or TS-35/15 rails. DDRH-30 is designed to meet UL1741and IEC62109-1 standard. It is suitable for industrial automation, surveillance, telecommunication and can be widely deployed in the applications of new energy generation such as solar power, and windmill power generation, for instances, photovoltaic power systems, high voltage inverting , DC bus centralized application , ESS, charging pile, railway and so forth.

Features

  • 150~1500Vdc 10:1 ultra-wide input range
  • 4KVac I/O high isolation(Reinforced isolation)
  • Protections: Short circuit / Overload / Over voltage / DC input under voltage / DC input reverse Polarity
  • Fanless design, fully encapsulated, cooling by free air convection
  • Can be installed on DIN rail TS-35/7.5 or 15 (DR-Type)
  • -40~+80℃ ultra-wide operating temperature (>+50℃ derating)
  • Operating altitude up to 5000 meters
  • 3 years warranty

Typical applications

  • Photovoltaic power generation
  • Renewable Energy System
  • High voltage frequency conversion
  • Industrial control system
  • Semiconductor fabrication equipment
  • Electro-mechanical apparatus
  • DC bus centralized application
  • Energy storage system(ESS)
  • Charging pile
  • Third rail

Model

  • 15W 12V Din
  • 15W 12V PCB
  • 15W 12V Screw
  • 30W 12V Din
  • 30W 12V PCB
  • 30W 12V Screw
  • 45W 12V Din
  • 45W 12V PCB
  • 45W 12V Screw
  • 60W 12V
  • 100W 12V
  • 200W 12V
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