Power Supplies - Chassis Mount

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LOP Low-Profile Open-Frame Power Supplies

MEAN WELL LOP Low-Profile Open-Frame Power Supplies feature 200W to 600W devices with a compact package. The power supplies provide high reliability, high efficiency, and a safety-oriented built-in PCB with excellent EMC performance. The MEAN WELL LOP Power Supplies are suitable for Class I and II systems and compliant with multiple safety standards, including ITE 62368-1, medical 60601-1, industrial 61558-1, and 60335-1. The power supplies operate with a universal input voltage range and a 47Hz to 63Hz frequency range. The LOP family is ideal for high-power applications, including industrial automation machinery, security systems, mechanical/electrical equipment, network equipment, telecom devices, power-over-Ethernet (POE) power-sourcing equipment, home automation, and medical devices.

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Part #

Power Supplies - Chassis Mount 399.6W 12V 33.3A 3x5 medical

LOP-400-12
MEAN WELL
1: $90.31
1In Stock
96Expected 12/8/2026

Mfr. Part No.
LOP-400-12

Mouser Part No
709-LOP-400-12

MEAN WELL

Power Supplies - Chassis Mount 399.6W 12V 33.3A 3x5 medical

Learn More

Datasheet

1In Stock

96Expected 12/8/2026

$90.31

$86.04

$82.29

$79.93

Min.: 1
Mult.: 1

400 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

12 VDC

33.3 A

Open Frame

94 %

Medical, Industrial

127 mm (5 in)

76.2 mm (3 in)

27.5 mm (1.083 in)

LOP-400

Power Supplies - Chassis Mount 402.3W 27V 14.9A 3x5 medical

LOP-400-27
MEAN WELL
1: $90.35
2In Stock

Mfr. Part No.
LOP-400-27

Mouser Part No
709-LOP-400-27

MEAN WELL

Power Supplies - Chassis Mount 402.3W 27V 14.9A 3x5 medical

Learn More

Datasheet

2In Stock

$90.35

$86.04

$82.29

$81.43

Min.: 1
Mult.: 1

400 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

27 VDC

14.9 A

Open Frame

95 %

Medical, Industrial

127 mm (5 in)

76.2 mm (3 in)

27.5 mm (1.083 in)

LOP-400

Power Supplies - Chassis Mount 499.5W 27V 18.5A 3x5 medical

LOP-500-27
MEAN WELL
1: $108.28
2In Stock
7Expected 10/7/2026

Mfr. Part No.
LOP-500-27

Mouser Part No
709-LOP-500-27

MEAN WELL

Power Supplies - Chassis Mount 499.5W 27V 18.5A 3x5 medical

Learn More

Datasheet

2In Stock

7Expected 10/7/2026

$108.28

$103.14

$98.55

$97.70

Min.: 1
Mult.: 1

500 W

80 VAC to 264 VAC

1 Output

27 VDC

18.5 A

Open Frame

95 %

Medical, Industrial

127 mm (5 in)

76.2 mm (3 in)

30.5 mm (1.201 in)

LOP-500

Power Supplies - Chassis Mount 200.4W 12V 16.7A Medical 2X4 low profile

LOP-200-12
MEAN WELL
1: $53.61
432Expected 16/9/2026

Mfr. Part No.
LOP-200-12

Mouser Part No
709-LOP-200-12

MEAN WELL

Power Supplies - Chassis Mount 200.4W 12V 16.7A Medical 2X4 low profile

Learn More

Datasheet

432Expected 16/9/2026

$53.61

$51.01

$48.79

$47.40

Min.: 1
Mult.: 1

200 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

12 VDC

16.7 A

Open Frame

4 kVAC

93 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-200

Power Supplies - Chassis Mount 201W 15V 13.4A Medical 2X4 low profile

LOP-200-15
MEAN WELL
1: $53.65
50On Order

Mfr. Part No.
LOP-200-15

Mouser Part No
709-LOP-200-15

MEAN WELL

Power Supplies - Chassis Mount 201W 15V 13.4A Medical 2X4 low profile

Learn More

Datasheet

50On Order

$53.65

$51.01

$48.79

$48.46

Min.: 1
Mult.: 1

200 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

15 VDC

13.4 A

Open Frame

4 kVAC

93 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-200

Power Supplies - Chassis Mount 201.6W 48V 4.2A Medical 2X4 low profile

LOP-200-48
MEAN WELL
1: $53.65
89On Order

Mfr. Part No.
LOP-200-48

Mouser Part No
709-LOP-200-48

MEAN WELL

Power Supplies - Chassis Mount 201.6W 48V 4.2A Medical 2X4 low profile

Learn More

Datasheet

89On Order

$53.65

$51.01

$48.79

$48.46

Min.: 1
Mult.: 1

200 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

48 VDC

4.2 A

Open Frame

4 kVAC

94 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-200

Power Supplies - Chassis Mount 300W 12V 25A Medical 2X4 low profile

LOP-300-12
MEAN WELL
1: $58.92
276On Order

Mfr. Part No.
LOP-300-12

Mouser Part No
709-LOP-300-12

MEAN WELL

Power Supplies - Chassis Mount 300W 12V 25A Medical 2X4 low profile

Learn More

Datasheet

276On Order

$58.92

$56.14

$53.64

$52.13

Min.: 1
Mult.: 1

300 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

12 VDC

25 A

Open Frame

4 kVAC

92.5 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-300

Power Supplies - Chassis Mount 300W 30V 10A Medical 2X4 low profile

LOP-300-30
MEAN WELL
1: $58.94
161On Order

Mfr. Part No.
LOP-300-30

Mouser Part No
709-LOP-300-30

MEAN WELL

Power Supplies - Chassis Mount 300W 30V 10A Medical 2X4 low profile

Learn More

Datasheet

161On Order

$58.94

$56.16

$53.65

$52.13

Min.: 1
Mult.: 1

300 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

30 VDC

10 A

Open Frame

4 kVAC

93 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-300

Power Supplies - Chassis Mount 299.8W 36V 8.3A Medical 2X4 low profile

LOP-300-36
MEAN WELL
1: $58.94
41Expected 6/7/2026

Mfr. Part No.
LOP-300-36

Mouser Part No
709-LOP-300-36

MEAN WELL

Power Supplies - Chassis Mount 299.8W 36V 8.3A Medical 2X4 low profile

Learn More

Datasheet

41Expected 6/7/2026

$58.94

$56.16

$53.65

$53.22

Min.: 1
Mult.: 1

300 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

36 VDC

8.3 A

Open Frame

4 kVAC

94 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-300

Power Supplies - Chassis Mount 302.4W 54V 5.6A Medical 2X4 low profile

LOP-300-54
MEAN WELL
1: $58.94
93On Order

Mfr. Part No.
LOP-300-54

Mouser Part No
709-LOP-300-54

MEAN WELL

Power Supplies - Chassis Mount 302.4W 54V 5.6A Medical 2X4 low profile

Learn More

Datasheet

93On Order

$58.94

$56.16

$53.65

$52.13

Min.: 1
Mult.: 1

300 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

54 VDC

5.6 A

Open Frame

4 kVAC

94 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-300

Power Supplies - Chassis Mount 400.8W 24V 16.7A 3x5 medical

LOP-400-24
MEAN WELL
1: $90.34
216Expected 16/9/2026

Mfr. Part No.
LOP-400-24

Mouser Part No
709-LOP-400-24

MEAN WELL

Power Supplies - Chassis Mount 400.8W 24V 16.7A 3x5 medical

Learn More

Datasheet

216Expected 16/9/2026

$90.34

$86.03

$80.98

$79.93

Min.: 1
Mult.: 1

400 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

24 VDC

16.7 A

Open Frame

94.5 %

Medical, Industrial

127 mm (5 in)

76.2 mm (3 in)

27.5 mm (1.083 in)

LOP-400

Power Supplies - Chassis Mount 601.2W 36V 16.7A 3x5 medical

LOP-600-36
MEAN WELL
1: $116.20
72On Order

Mfr. Part No.
LOP-600-36

Mouser Part No
709-LOP-600-36

MEAN WELL

Power Supplies - Chassis Mount 601.2W 36V 16.7A 3x5 medical

Learn More

Datasheet

72On Order

$116.20

$110.64

$105.78

$102.72

Min.: 1
Mult.: 1

600 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

36 VDC

16.7 A

Open Frame

95 %

Medical, Industrial

127 mm (5 in)

76.2 mm (3 in)

33.5 mm (1.319 in)

LOP-600

Power Supplies - Chassis Mount 199.8W 18V 11.1A Medical 2X4 low profile

LOP-200-18
MEAN WELL
1: $53.65
36Expected 2/9/2026

Mfr. Part No.
LOP-200-18

Mouser Part No
709-LOP-200-18

MEAN WELL

Power Supplies - Chassis Mount 199.8W 18V 11.1A Medical 2X4 low profile

Learn More

Datasheet

36Expected 2/9/2026

$53.65

$51.01

$48.79

$47.40

Min.: 1
Mult.: 1

200 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

18 VDC

11.1 A

Open Frame

4 kVAC

93.5 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-200

Power Supplies - Chassis Mount 205.2W 54V 3.8A Medical 2X4 low profile

LOP-200-54
MEAN WELL
1: $53.65
37Expected 11/8/2026

Mfr. Part No.
LOP-200-54

Mouser Part No
709-LOP-200-54

MEAN WELL

Power Supplies - Chassis Mount 205.2W 54V 3.8A Medical 2X4 low profile

Learn More

Datasheet

37Expected 11/8/2026

$53.65

$51.01

$48.79

$48.46

Min.: 1
Mult.: 1

200 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

54 VDC

3.8 A

Open Frame

4 kVAC

94 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-200

Power Supplies - Chassis Mount 300.6W 18V 16.7A Medical 2X4 low profile

LOP-300-18
MEAN WELL
1: $58.94
12On Order

Mfr. Part No.
LOP-300-18

Mouser Part No
709-LOP-300-18

MEAN WELL

Power Supplies - Chassis Mount 300.6W 18V 16.7A Medical 2X4 low profile

Learn More

Datasheet

12On Order

$58.94

$56.16

$53.65

$53.22

Min.: 1
Mult.: 1

300 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

18 VDC

16.7 A

Open Frame

4 kVAC

93.5 %

Medical

101.6 mm (4 in)

50.8 mm (2 in)

25.4 mm (1 in)

LOP-300

Power Supplies - Chassis Mount 405W 54V 7.5A 3x5 medical

LOP-400-54
MEAN WELL
1: $90.35
7Expected 14/7/2026

Mfr. Part No.
LOP-400-54

Mouser Part No
709-LOP-400-54

MEAN WELL

Power Supplies - Chassis Mount 405W 54V 7.5A 3x5 medical

Learn More

Datasheet

7Expected 14/7/2026

$90.35

$86.04

$82.29

$81.43

Min.: 1
Mult.: 1

400 W

80 VAC to 264 VAC, 113 VDC to 370 VDC

1 Output

54 VDC

7.5 A

Open Frame

95 %

Medical, Industrial

127 mm (5 in)

76.2 mm (3 in)

27.5 mm (1.083 in)

LOP-400

LOP Low-Profile Open-Frame Power Supplies

Customer Service Office

Company

Resources

Support

3.8 A
4.2 A
5.6 A
6.3 A
7.5 A
8.3 A
8.4 A
9.3 A
10 A
10.4 A
11.1 A
11.2 A
12.5 A
13.4 A
13.9 A
14.9 A
16.7 A
18.5 A
20 A
20.9 A