LOP-200 Series: Open Frame Power Supply

41 products

MEAN WELL LOP Series Low Profile Open Frame Power Supply (200W~600W)

  • Product Features
  • General Specifications
  • Series Power Overview
  • Product Ordering Code

Product Features

  • Low profile, 1U height compatible design (4"x2" or 5"x3" footprint).
  • Universal AC input range (80~264VAC) with active PFC function.
  • High efficiency up to 95%, reducing heat generation.
  • Versatile cooling options: Supports natural convection or forced air (CFM) cooling with significantly increased power ratings.
  • Peak load capability: Capable of handling high surges (e.g., 3s peak power) for demanding applications.
  • Low leakage current design, suitable for diverse industrial and electronic environments.
  • Comprehensive protection: Short circuit, Overload, Over voltage, and Over temperature.
  • Safety compliance: IEC/EN/UL62368-1, IEC60335-1, IEC61558-1/-2-16.

General Specifications

Item Specification Description
Input Voltage 80 ~ 264VAC / 113 ~ 370VDC
Operating Temp. -40°C ~ +80°C (Refer to derating curves)
Isolation Voltage I/P-O/P: 4KVAC, I/P-FG: 2KVAC, O/P-FG: 1.5KVAC
Safety Standards IEC62368-1, IEC60335-1, IEC61558-1/-2-16
EMC Emission BS EN/EN55032 Class B (I/P-O/P: Class I or Class II)
Operating Altitude Up to 5000m

Series Power Overview

Series Footprint Natural Convection Forced Air (CFM) Peak Power
LOP-200 4"x2" ~140W 200W 300W
LOP-300 4"x2" ~180W 300W 450W
LOP-400 5"x3" ~250W 400W 600W
LOP-500 5"x3" ~320W 500W 750W
LOP-600 5"x3" ~360W 600W 900W
Note: Power output depends on cooling method (Convection vs. Forced Air) and voltage model. Please consult detailed charts for derating.

Product Ordering Code

No. Item Code Description
1 Series Name LOP Low Profile Open Frame Power Supply
2 Rated Power 200 ~ 600 200W, 300W, 400W, 500W, 600W
3 Output Voltage 12 ~ 54 12V, 15V, 18V, 24V, 27V, 36V, 48V, 54V
  • LOP-300-54

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-54

    4 "X2" low height (25.4mm), small size Output voltage: 54V Peak output current (3 seconds):8.3A Output Current 10.98CFM:5.6A Output current natural air cooling: 3.4A Peak output power rating (3 seconds):450W Output power rating 10.98CFM:302.4W Output rated power natural air cooling: 183.6W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-48

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-48

    4 "X2" low height (25.4mm), small size Output voltage: 48V Peak output current (3 seconds):9.4A Output Current 10.98CFM:6.3A Output current natural air cooling: 3.8A Peak output power rating (3 seconds):450W Output power rating 10.98CFM:302.4W Output rated power natural air cooling: 182.4W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-36

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-36

    4 "X2" low height (25.4mm), small size Output voltage: 36V Peak output current (3 seconds):12.5A Output Current 10.98CFM:8.3A Output current natural air cooling: 5A Peak output power rating (3 seconds):450W Output power rating 10.98CFM:299.8W Output rated power natural air cooling: 180W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-30

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-30

    4 "X2" low height (25.4mm), small size Output voltage: 30V Peak output current (3 seconds):15A Output current 10.98CFM:10A Output current natural air cooling: 6A Peak output power rating (3 seconds):450W Output rated power 10.98CFM:300W Output rated power natural air cooling: 180W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-27

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-27

    4 "X2" low height (25.4mm), small size Output voltage: 27V Peak output current (3 seconds):16.7A Output Current 10.98CFM:11.1A Output current natural air cooling: 6.7A Peak output power rating (3 seconds):450W Output power rating 10.98CFM:299.7W Output rated power natural air cooling: 180.9W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-24

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-24

    4 "X2" low height (25.4mm), small size Output voltage: 24V Peak output current (3 seconds):18.8A Output Current 10.98CFM:12.5A Output current natural air cooling: 7.5A Peak output power rating (3 seconds):450W Output rated power 10.98CFM:300W Output rated power natural air cooling: 180W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-18

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-18

    4 "X2" low height (25.4mm), small size Output voltage: 18V Peak output current (3 seconds):25A Output Current 10.98CFM:16.7A Output current natural air cooling: 10A Peak output power rating (3 seconds):450W Output rated power 10.98CFM:300.6W Output rated power natural air cooling: 180W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-15

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-15

    4 "X2" low height (25.4mm), small size Output voltage: 15V Peak output current (3 seconds):30A Output Current 10.98CFM:20A Output current natural air cooling: 12A Peak output power rating (3 seconds):450W Output rated power 10.98CFM:300W Output rated power natural air cooling: 180W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-300-12

    MEAN WELL LOP-300 Series: Board Power Supplies - LOP-300-12

    4 "X2" low height (25.4mm), small size Output voltage: 12V Peak output current (3 seconds):37.5A Output Current 10.98CFM:25A Output current natural air cooling: 15A Peak output power rating (3 seconds):450W Output rated power 10.98CFM:300W Output rated power natural air cooling: 180W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-54

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-54

    4 "X2" low height (25.4mm), small size Output voltage: 54V Peak output current (3 seconds):5.6A Output Current 10.98CFM:3.8A Output current natural air cooling: 2.7A Peak output power rating (3 seconds):302.4W Output power rating 10.98CFM:205.2W Output rated power natural air cooling: 145.8W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-48

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-48

    4 "X2" low height (25.4mm), small size Output voltage: 48V Peak output current (3 seconds):6.3A Output Current 10.98CFM:4.2A Output current natural air cooling: 3A Peak output power rating (3 seconds):302.4W Output power rating 10.98CFM:201.6W Output rated power natural air cooling: 144W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-36

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-36

    4 "X2" low height (25.4mm), small size Output voltage: 36V Peak output current (3 seconds):8.3A Output Current 10.98CFM:5.6A Output current natural air cooling: 3.9A Peak output power rating (3 seconds):298.8W Output power rating 10.98CFM:201.6W Output rated power natural air cooling: 140.4W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-27

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-27

    4 "X2" low height (25.4mm), small size Output voltage: 27V Peak output current (3 seconds):11.1A Output Current 10.98CFM:7.5A Output current natural air cooling: 5.3A Peak output power rating (3 seconds):299.7W Output power rating 10.98CFM:202.5W Output rated power natural air cooling: 143.1W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-24

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-24

    4 "X2" low height (25.4mm), small size Output voltage: 24V Peak output current (3 seconds):12.5A Output Current 10.98CFM:8.4A Output current natural air cooling: 5.9A Peak output power rating (3 seconds):300W Output power rating 10.98CFM:201.6W Output rated power natural air cooling: 141.6W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-18

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-18

    4 "X2" low height (25.4mm), small size Output voltage: 18V Peak output current (3 seconds):16.7A Output Current 10.98CFM:11.1A Output current natural air cooling: 7.8A Peak output power rating (3 seconds):300.6W Output rated power 10.98CFM:199.8W Output rated power natural air cooling: 140.4W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-15

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-15

    4 "X2" low height (25.4mm), small size Output voltage: 15V Peak output current (3 seconds):20A Output Current 10.98CFM:13.4A Output current natural air cooling: 9.4A Peak output power rating (3 seconds):300W Output power rating 10.98CFM:201W Output rated power natural air cooling: 141W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

  • LOP-200-12

    MEAN WELL LOP-200 Series: Board Power Supplies - LOP-200-12

    4 "X2" low height (25.4mm), small size Output voltage: 12V Peak output current (3 seconds):25A Output Current 10.98CFM:16.7A Output current natural air cooling: 11.7A Peak output power rating (3 seconds):300W Output rated power 10.98CFM:200.4W Output rated power natural air cooling: 140.4W Input voltage: 80 ~ 264VAC,113 ~ 370VDC Size (mm):101 X50.8X25.4 Click to download Airtac product catalog Product Features 1, 80 ~ 264Vac input, and built-in PFC. 2. No-load function <0.5w,150% peak power output. 3, Class I or Class II devices, the efficiency can reach 95%. 4. Protection type: short circuit/overload/overvoltage/overtemperature, built-in 12V fan auxiliary power supply. 5, thin (25~33.5mm). 6, -40 ~ +80 ℃ ultra wide temperature, in line with OVC III. 7. Operable at 5000 meters high altitude. 8, 62368-1+60335+61558 kinds of safety regulations, 3-year warranty.

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