DC/DC Converters - DIN Rail Mount

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DDR-120 120W DIN-Rail DC-DC Converters

MEAN WELL DDR-120 120W DIN-Rail DC-DC Converters feature an ultra-slim width of 32mm, easy installation on DIN rails, 2:1 wide input voltage, and a fanless design. The DDR-120 converters offer a -40°C to +70°C wide operating temperature range, 4KV_DC I/O isolation, and 150% peak load. This series also has various input and output options. MEAN WELL DDR-120 120W DIN-Rail DC-DC Converters are ideally suited for industrial and railway control, security control, communication systems, and other applications.

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Part #

DC/DC Converters - DIN Rail Mount 9-18Vin 24Vout 4.2A 100.8W DIN Iso DC-DC

DDR-120A-24
MEAN WELL
1: $67.30
541In Stock
420Expected 10/14/2026

Mfr. Part #
DDR-120A-24

Mouser Part #
709-DDR-120A-24

MEAN WELL

DC/DC Converters - DIN Rail Mount 9-18Vin 24Vout 4.2A 100.8W DIN Iso DC-DC

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Datasheet

541In Stock

420Expected 10/14/2026

$67.30

$64.10

$61.20

$59.50

Quote

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

9 V

18 V

24 V

4.2 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 16.8-33.6Vin 24V 5A 120W DIN Iso DC-DC

DDR-120B-24
MEAN WELL
1: $67.30
596In Stock
868On Order

Mfr. Part #
DDR-120B-24

Mouser Part #
709-DDR-120B-24

MEAN WELL

DC/DC Converters - DIN Rail Mount 16.8-33.6Vin 24V 5A 120W DIN Iso DC-DC

Learn More

Datasheet

596In Stock

868On Order

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

16.8 V

33.6 V

24 V

5 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 9-18Vin 12Vout 8.3A 99.6W DIN Iso DC-DC

DDR-120A-12
MEAN WELL
1: $67.30
191In Stock

Mfr. Part #
DDR-120A-12

Mouser Part #
709-DDR-120A-12

MEAN WELL

DC/DC Converters - DIN Rail Mount 9-18Vin 12Vout 8.3A 99.6W DIN Iso DC-DC

Learn More

Datasheet

191In Stock

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

9 V

18 V

12 V

8.3 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 9-18Vin 48Vout 2.1A 100.8W DIN Iso DC-DC

DDR-120A-48
MEAN WELL
1: $67.30
49In Stock
728On Order

Mfr. Part #
DDR-120A-48

Mouser Part #
709-DDR-120A-48

MEAN WELL

DC/DC Converters - DIN Rail Mount 9-18Vin 48Vout 2.1A 100.8W DIN Iso DC-DC

Learn More

Datasheet

49In Stock

728On Order

$67.30

$64.10

$61.20

$59.51

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

9 V

18 V

48 V

2.1 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 16.8-33.6Vin 12V 10A 120W DIN Iso DC-DC

DDR-120B-12
MEAN WELL
1: $67.30
142In Stock
1,708On Order

Mfr. Part #
DDR-120B-12

Mouser Part #
709-DDR-120B-12

MEAN WELL

DC/DC Converters - DIN Rail Mount 16.8-33.6Vin 12V 10A 120W DIN Iso DC-DC

Learn More

Datasheet

142In Stock

1,708On Order

$67.30

$64.10

$61.20

$59.50

$59.49

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

16.8 V

33.6 V

12 V

10 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 16.8-33.6Vin48V 2.5A 120W DIN Iso DC-DC

DDR-120B-48
MEAN WELL
1: $67.30
127In Stock
1,120Expected 10/28/2026

Mfr. Part #
DDR-120B-48

Mouser Part #
709-DDR-120B-48

MEAN WELL

DC/DC Converters - DIN Rail Mount 16.8-33.6Vin48V 2.5A 120W DIN Iso DC-DC

Learn More

Datasheet

127In Stock

1,120Expected 10/28/2026

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

16.8 V

33.6 V

48 V

2.5 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 33.6-67.2Vin 12V 10A 120W DIN Iso DC-DC

DDR-120C-12
MEAN WELL
1: $67.30
177In Stock
308On Order

Mfr. Part #
DDR-120C-12

Mouser Part #
709-DDR-120C-12

MEAN WELL

DC/DC Converters - DIN Rail Mount 33.6-67.2Vin 12V 10A 120W DIN Iso DC-DC

Learn More

Datasheet

177In Stock

308On Order

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

33.6 V

67.2 V

12 V

10 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 67.2-154Vin 24V 5A 120W DIN Iso DC-DC

DDR-120D-24
MEAN WELL
1: $67.30
92In Stock
448On Order

Mfr. Part #
DDR-120D-24

Mouser Part #
709-DDR-120D-24

MEAN WELL

DC/DC Converters - DIN Rail Mount 67.2-154Vin 24V 5A 120W DIN Iso DC-DC

Learn More

Datasheet

92In Stock

448On Order

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

67.2 V

154 V

24 V

5 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 33.6-67.2Vin48V 2.5A 120W DIN Iso DC-DC

DDR-120C-48
MEAN WELL
1: $67.30
15In Stock
112On Order

Mfr. Part #
DDR-120C-48

Mouser Part #
709-DDR-120C-48

MEAN WELL

DC/DC Converters - DIN Rail Mount 33.6-67.2Vin48V 2.5A 120W DIN Iso DC-DC

Learn More

Datasheet

15In Stock

112On Order

$67.30

$65.90

$63.00

$59.50

Quote

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

33.6 V

67.2 V

48 V

2.5 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 67.2-154Vin 12V 10A 120W DIN Iso DC-DC

DDR-120D-12
MEAN WELL
1: $67.30
26In Stock
84On Order

Mfr. Part #
DDR-120D-12

Mouser Part #
709-DDR-120D-12

MEAN WELL

DC/DC Converters - DIN Rail Mount 67.2-154Vin 12V 10A 120W DIN Iso DC-DC

Learn More

Datasheet

26In Stock

84On Order

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

67.2 V

154 V

12 V

10 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 67.2-154Vin 48V 2.5A 120W DIN Iso DC-DC

DDR-120D-48
MEAN WELL
1: $67.30
21In Stock
28Expected 12/15/2026

Mfr. Part #
DDR-120D-48

Mouser Part #
709-DDR-120D-48

MEAN WELL

DC/DC Converters - DIN Rail Mount 67.2-154Vin 48V 2.5A 120W DIN Iso DC-DC

Learn More

Datasheet

21In Stock

28Expected 12/15/2026

$67.30

$65.90

$63.00

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

67.2 V

154 V

48 V

2.5 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DC/DC Converters - DIN Rail Mount 33.6-67.2Vin 24V 5A 120W DIN Iso DC-DC

DDR-120C-24
MEAN WELL
1: $67.30
728On Order

Mfr. Part #
DDR-120C-24

Mouser Part #
709-DDR-120C-24

MEAN WELL

DC/DC Converters - DIN Rail Mount 33.6-67.2Vin 24V 5A 120W DIN Iso DC-DC

Learn More

Datasheet

728On Order

$67.30

$64.10

$61.20

$59.50

Min.: 1
Mult.: 1

Isolated

1 Output

120 W

33.6 V

67.2 V

24 V

5 A

4 kV

102 mm

32 mm

125 mm

Industrial

DDR-120

DDR-120 120W DIN-Rail DC-DC Converters

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