MEAN WELL DDR Series DC/DC Converters

The MEAN WELL DDR series offers a range of high-performance DC/DC converters designed for industrial and railway applications. These converters are built for reliability, efficiency, and safety, featuring compact designs suitable for DIN rail mounting.

Key Features

Compact size for DIN rail mounting (TS-35/7.5 or 15)
Robust protection mechanisms: ⚡ Short circuit, ⚠️ Overload, ⚡ Over voltage, ? Input reverse polarity, ⬇️ Input under voltage. (Note: Over Temperature protection ? is available on some models).
High I/O isolation: 4000VDC (reinforced)
Cooling by free air convection
3 year warranty ?

DDR-15, DDR-30, DDR-60 Series (15W - 60W)

These models feature a 4:1 ultra-wide input range and operate reliably across an extended temperature range of -40°C to +85°C.

Features Specific to 15W-60W Series:

4:1 ultra-wide input range
Operating temperature: -40°C ~ +85°C
DC output adjustable (⚙️ ±10%)

General Specifications (15W-60W)

Specification	Details
Model No.	DDR-15, DDR-30, DDR-60
DC input range	G: 9~36VDC, L: 18~75VDC
Line regulation (1 sec)	±0.5%
Load regulation (max)	±0.5% (except 3.3V and 5V O/P)
Overload protection	110%~150% hiccup mode* (constant current, auto-recovery)
Over voltage protection	115%~135% shutdown O/P voltage, re-power on to recover
Withstand voltage	I/P - O/P: 4kVDC
Isolation resistance	100M Ω @ 500VDC
Working temperature	-40°C ~ +85°C (refer to output derating curve)
Safety standards	AS/NZS62368.1, IEC 62368-1, UL62368-1, EAC TP TC004 approved
EMC standards	EN55032 class B, EN61000-3-3, EN61000-4-2,3,4,5,6,8, EN55024, EN61000-6-2
Size (WxHxD), Weight	15W: 17.5(1SU)x90x54.5mm, 0.068kg 30W: 35(2SU)x90x54.5mm, 0.12kg 60W: 52.5(3SU)x90x54.5mm, 0.216kg

Model Specifications (15W-60W)

DDR-15 (15W)

Model No.	Vin (VDC)	Vout (VDC)	Iout (A)	R&N (mVp-p)	Eff. (%)
DDR-15G-3.3	9~36	3.3	3.5	50	84
DDR-15G-5	9~36	5	3	50	84
DDR-15G-12	9~36	12	1.25	60	85
DDR-15G-15	9~36	15	1	75	85
DDR-15G-24	9~36	24	0.63	100	86
DDR-15L-3.3	18~75	3.3	4.5	50	85
DDR-15L-5	18~75	5	3	50	85
DDR-15L-12	18~75	12	1.25	60	86
DDR-15L-15	18~75	15	1	75	86
DDR-15L-24	18~75	24	0.63	100	87

DDR-30 (30W)

Model No.	Vin (VDC)	Vout (VDC)	Iout (A)	R&N (mVp-p)	Eff. (%)
DDR-30G-5	9~36	5	6	60	85
DDR-30G-12	9~36	12	2.5	75	86
DDR-30G-15	9~36	15	2	75	87
DDR-30G-24	9~36	24	1.25	100	89
DDR-30L-5	18~75	5	6	60	86
DDR-30L-12	18~75	12	2.5	75	89
DDR-30L-15	18~75	15	2	75	90
DDR-30L-24	18~75	24	1.25	100	91

DDR-60 (60W)

Model No.	Vin (VDC)	Vout (VDC)	Iout (A)	R&N (mVp-p)	Eff. (%)
DDR-60G-5	9~36	5	10.8	60	87.5
DDR-60G-12	9~36	12	5	75	92
DDR-60G-15	9~36	15	4	75	91
DDR-60G-24	9~36	24	2.5	100	90
DDR-60L-5	18~75	5	12	60	87.5
DDR-60L-12	18~75	12	5	75	91
DDR-60L-15	18~75	15	4	75	92
DDR-60L-24	18~75	24	2.5	100	92

DDR-120, DDR-240, DDR-480 Series (120W - 480W)

Designed for demanding industrial and railway environments, these models offer 2:1 input ranges, enhanced safety certifications, and features like DC OK relays and current sharing capabilities. Operating temperatures are -40°C to +70°C, with DDR-480 extending to +80°C.

Features Specific to 120W-480W Series:

2:1 wide input range
ITE and Railway Safety certifications (EN50155/IEC60571)
150% peak load capability ? for > 3/5* seconds
Over Temperature Protection (OTP) ? not provided on DDR-120.
DC OK relay ✔️ and Remote on/off ? for DDR-240/480
Current sharing ? up to 960W (3+1) for DDR-240
Current sharing ? up to 1920W (3+1) for DDR-480
Operating temperature: -40°C~+70°C (80°C for DDR-480) ?️
DC output adjustable (⚙️ 0~17%)

General Specifications (120W-480W)

Specification	Details
Model No.	DDR-120, DDR-240, DDR-480
DC input range	A: 9~18V, B: 16.8~33.6V, C: 33.6~67.2V, D: 67.2~154VDC
Line regulation (1 sec)	±0.5%
Load regulation (max)	±1%
Overload protection	150% rated output power for more than 3 seconds* and then constant current O/P of 105~135% with auto-recovery. (*5 seconds for DDR-480)
Over voltage protection	120%~135% Shutdown O/P voltage, re-power on to recover
Withstand voltage	I/P-O/P: 4kVDC, I/P-FG: 2.5kVDC, O/P-FG: 0.71kVDC (2.5k VDC for DDR-120)
Isolation resistance	100M Ω @ 500VDC
Working temperature	-40°C~+70°C (80°C for DDR-480) (refer to output derating curve)
Safety standards	AS/NZS62368.1, IEC62368-1, UL62368-1, EAC TP TC 004 approved. EN50155/IEC60571 including IEC61373 shock & vibration, EN50121-3-2 EMC; EN45545-2 fire protection.
EMC standards	EN55032 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8, EN50121-3-2
Size (WxHxD), Weight	120W: 32x125.2x102mm, 0.51kg 240W: 40x125.2x113.5mm, 0.76kg 480W: 85.5x125.2x128.5mm, 1.375kg

Model Specifications (120W-480W)

DDR-120 (120W)

Model No.	Vin (VDC)	Vout (VDC)	Iout+ (A)	R&N (mVp-p)	Eff. (%)
DDR-120A-12	9~18	12	8.3	50	88.5
DDR-120A-24	9~18	24	4.2	50	88.5
DDR-120A-48	9~18	48	2.1	50	88.5
DDR-120B-12	16.8~33.6	12	10	50	89.0
DDR-120B-24	16.8~33.6	24	5	50	89.5
DDR-120B-48	16.8~33.6	48	2.5	50	91.0
DDR-120C-12	33.6~67.2	12	10	50	89.5
DDR-120C-24	33.6~67.2	24	5	50	91.0
DDR-120C-48	33.6~67.2	48	2.5	50	92.0
DDR-120D-12	67.2~154	12	10	50	89.5
DDR-120D-24	67.2~154	24	5	50	91.0
DDR-120D-48	67.2~154	48	2.5	50	91.5

DDR-240 (240W)

Model No.	Vin (VDC)	Vout (VDC)	Iout+ (A)	R&N (mVp-p)	Eff. (%)
DDR-240B-24	16.8~33.6	24	10	80	90.0
DDR-240B-48	16.8~33.6	48	5	100	90.0
DDR-240C-24	33.6~67.2	24	10	80	90.0
DDR-240C-48	33.6~67.2	48	5	100	92.0
DDR-240D-24	67.2~154	24	10	80	92.0
DDR-240D-48	67.2~154	48	5	100	92.5

DDR-480 (480W)

Model No.	Vin (VDC)	Vout (VDC)	Iout+ (A)	R&N (mVp-p)	Eff. (%)
DDR-480B-12	16.8~33.6	12	33.4	100	90.0
DDR-480B-24	16.8~33.6	24	20	120	91.0
DDR-480B-48	16.8~33.6	48	10	150	90.5
DDR-480C-12	33.6~67.2	12	33.4	100	91.0
DDR-480C-24	33.6~67.2	24	20	120	92.0
DDR-480C-48	33.6~67.2	48	10	150	92.0
DDR-480D-12	67.2~154	12	33.4	100	91.0
DDR-480D-24	67.2~154	24	20	120	92.0
DDR-480D-48	67.2~154	48	10	150	93.0

Contact Information

For more detailed specifications and support, please visit:

www.procontechnology.com.au

Phone: (03) 98306288

	MEAN WELL DDR Series DIN Rail DC-DC Power Supply Installation Manual Installation manual for MEAN WELL DDR series DIN rail DC-DC power supplies, including models DDR-120, DDR-240, and DDR-480. Provides specifications, installation guidelines, wiring information, and safety warnings.
	MEAN WELL DDR-480 Series 480W DIN Rail DC-DC Converter Datasheet Comprehensive datasheet for the MEAN WELL DDR-480 series 480W DIN Rail Type DC-DC Converters, detailing features, specifications, applications, environmental testing, and mechanical data for industrial and railway systems.
	MEAN WELL DDR-480 Series 480W DIN Rail DC-DC Converter Datasheet Technical datasheet for the MEAN WELL DDR-480 series 480W DIN Rail DC-DC converter, detailing features, specifications, applications, environmental compliance, and mechanical data. This 480W power supply is designed for industrial and railway applications, offering high efficiency, wide operating temperature, and robust protection.
	MEAN WELL DDR-480 Series 480W DIN Rail DC-DC Converter Datasheet Comprehensive datasheet for the MEAN WELL DDR-480 series 480W DIN Rail Type DC-DC Converter. Details features, applications, specifications, protections, environmental compliance, and mechanical information for industrial and railway applications.
	MEAN WELL DDR-480 Series 480W DIN Rail DC-DC Converter Datasheet Datasheet for the MEAN WELL DDR-480 series 480W DIN Rail DC-DC converters, detailing features, specifications, applications, block diagrams, derating curves, and environmental test results for industrial and railway applications.
	MEAN WELL DDR-480 Series 480W DIN Rail DC-DC Converter Specifications and Features Comprehensive technical specifications, features, applications, and environmental compliance for the MEAN WELL DDR-480 series 480W DIN Rail Type DC-DC Converter, designed for industrial and railway applications.
	MEAN WELL DDR-480 Series 480W DIN Rail DC-DC Converter - Technical Specifications Comprehensive technical specifications, features, applications, and performance data for the MEAN WELL DDR-480 series 480W DIN Rail Type DC-DC Converter. Includes compliance information, environmental testing, and mechanical details.
	MEAN WELL DDR Series DIN Rail DC-DC Converters: Installation Manual and Specifications This document provides installation instructions, technical specifications, safety warnings, and compliance information for the MEAN WELL DDR-120, DDR-240, and DDR-480 series of DIN rail DC-DC power supplies.