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Mean Well DDR-30L-15 DC-DC Converter - 30W - 18~75V in 15V out

2:1 or 4:1 wide input range, fanless design, 4KVdc I/O isolation, ultra slim dimensions

SKU:

DDR-30L-15

Model

15W - 15V out - 9~36V in

SKU: DDR-15G-15

15W - 15V out - 18~75V in

SKU: DDR-15L-15

30W - 15V out - 9~36V in

SKU: DDR-30G-15

30W - 15V out - 18~75V in

SKU: DDR-30L-15

60W - 15V out - 9~36V in

SKU: DDR-60G-15

60W - 15V out - 18~75V in

SKU: DDR-60L-15

TEST

SKU: test

TEST V

SKU: BLACK

Product variants

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Description

Features

Width only 35mm (2SU)

DC output adjustable ( 10%)

4:1 ultra wide input range

No minimum load required

Protections: Short circuit / Overload / Over voltage /Input reverse polarity / Input under voltage protection

4KVdc I/O isolation(Reinforced isolation)

Can be installed on DIN rail TS-35/7.5 or 15

-40~+85°C wide working temperature

Cooling by free air convection

3 years warranty

General Specification

Over current protection	110%~150% rated output power;Protection type:Constant current limiting, recovers automatically after fault condition is removed
Over voltage protection	5V:5.75~7V ; 12V:13.8~16.2V ; 15V:17.25~20.25V ; 24V:28.8~34V; Protection mode:Shut down o/p voltage, re-power on to recover
REVERSE POLARITY	By internal MOSFET, no damage, recovers automatically after fault condition removed
Withstand voltage	I/P-O/P:4KVDC
Working temperature	-40~+85°C (Refer to ""Derating Curve"")
Safety standards	IEC 62368-1 (LVD) approved, Design refer to UL508
EMC standards	With external components Compliance to EN55032 Class B;EN61000-3-,3，EN61000-4-2,3,4,5,6,8
Dimension (LxWxH)(mm)	35 x 90 x 54.5 mm

Specifications

Brand

Mean Well
Series

DDR Series
Power Rating

30 Watt
Output Voltage

15 Volt
Rated Current

2 Ampere
Input Voltage

18V~75V
Standards Met

CE,EMC,UL
Operation Mode

Constant Voltage
Operating Temperature

-40°C~85°C
Warranty

2 Year
Length

9 cm
Width

5.45 cm
Height

3.5 cm
Weight

0.12 kg

File Downloads

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Frequently Asked Questions

Can I use the DDR-30L-15 to power 15V analog instrumentation from a 48V DC battery bank?

Yes. The DDR-30L-15 accepts 18-75V DC input, so a 48V battery bank (typical range 40-58V) falls well within its operating window. It provides a stable 15V output at up to 2A (30W) with 4KVdc isolation, which helps protect sensitive analog measurement circuits from noise on the battery bus.

Is the DDR-30L-15 a good fit for powering legacy 15V industrial control boards in a DIN rail panel?

Yes. Many older PLC I/O modules and industrial control boards require 15V DC. The DDR-30L-15 delivers 15V at 2A on a standard DIN rail mount with an ultra slim 35mm profile, making it a drop-in solution for retrofitting panels that have a 48V or 72V DC distribution bus.

Can the DDR-30L-15 convert a 24V solar system bus to 15V for charging or powering peripheral devices?

The DDR-30L-15 requires a minimum input of 18V DC. A nominal 24V solar bus can dip below 18V under heavy load or low-charge conditions, so you should verify that your bus voltage stays above 18V during operation. When the input stays in range, it will deliver a stable 15V at up to 2A with full isolation.

Can I install the DDR-30L-15 in an environment with high ambient temperatures?

The DDR-30L-15 operates from -40°C to +85°C, making it suitable for hot industrial environments such as factory floors, engine rooms, or enclosed electrical cabinets without active cooling. Its fanless design relies on convection, so adequate airflow around the unit helps maintain long-term reliability at the upper end of that range.

How does the DDR-30L-15 compare to other 15V options in the DDR series?

The DDR series offers 15V output in several wattage tiers: the DDR-15L-15 provides 15W at 1A, the DDR-30L-15 provides 30W at 2A, and the DDR-60L-15 provides 60W at 4A. All three share the same 18-75V DC input range and DIN rail form factor. If you need a lower input voltage range instead, the G-suffix models (DDR-15G-15, DDR-30G-15, DDR-60G-15) accept 9-36V DC.

Model	Power	Voltage	Current	IP Rating
Mean Well DDR-30L-5 DC-DC Converter - 30W - 18~75V in 5V out	30W	5V	6A	Indoor	View
Mean Well DDR-30L-24 DC-DC Converter - 30W - 18~75V in 24V out	30W	24V	1.25A	Indoor	View
Mean Well DDR-30L-12 DC-DC Converter - 30W - 18~75V in 12V out	30W	12V	2.5A	Indoor	View

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