MEAN WELL ELP-75 series: Open-Frame AC/DC Power Supply with PFC - ELP-75-36

Description

MEAN WELL ELP-75-36 is an open-frame single-output AC/DC power supply rated 36 V, 2.1 A and 75.6 W. It provides active PFC, low no-load consumption and an optional cover/L-bracket arrangement. Natural-convection operation is subject to the model-specific temperature and load limits.

Product Datasheet

Download MEAN WELL ELP-75 Datasheet (PDF)

The ELP-75 section is on PDF pages 5, 6. Refer to the complete mechanical drawings and notes when planning installation.

Model-Specific DC Output

Nominal output 36 V DC.
Rated continuous output 2.1 A / 75.6 W, subject to the cooling and temperature limits.
Specified current range 0–2.1 A; continuous loading remains limited by the rated current and power.
Ripple and noise, maximum 280 mVp-p.
Output-voltage adjustment 32.4–39.6 V using SVR1.
Voltage tolerance ±1.0%.
Line / load regulation ±0.5% / ±1.0%.
Efficiency, typical 90%.

Unless stated otherwise, specifications are measured at 230 VAC, rated load and 25°C. Ripple/noise uses 20 MHz bandwidth and a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance includes set-up tolerance, line regulation and load regulation.

Input and Operating Features

Input range 90–264 VAC or 127–370 VDC; AC frequency 47–63 Hz.
Input current, typical 1.8 A at 115 VAC; 1 A at 230 VAC.
Cold-start inrush, typical 60 A at 230 VAC.
Leakage current Less than 1 mA at 240 VAC.
Set-up / rise time 2500 / 50 ms at both 230 VAC and 115 VAC, full load.
Hold-up time, typical 20 ms at 230 VAC; 20 ms at 115 VAC, full load.
Switching-frequency reference 100 kHz in the block diagram.
Power indication Built-in power-on LED.
Power-factor correction Built-in active PFC; typical PF >0.95 at 230 VAC and >0.98 at 115 VAC, full load.
No-load consumption Less than 0.5 W.

Protection

Short circuit / overload 105–150% of rated output power; hiccup mode with automatic recovery after the fault is removed.
Overvoltage 39.7–46.8 V; output shutdown, re-power on to recover.

Cooling, Derating and Environment

Operating temperature -30–70°C; allowable load follows the horizontal-installation curve.
Cooling Free-air convection. Keep the ventilation path clear and apply the curve for the actual installation.
Thermal limit for this output At 36 V, full load extends to 50°C, then decreases linearly to 60% load at 70°C.
Low-temperature input condition At 230 VAC, the curve permits full load from −30°C. At 115 VAC, allowable load rises from 80% at −30°C to 100% at −20°C.
Input-voltage derating At 60 Hz: 80% load at 90 VAC, rising to 100% at 100 VAC; the full-load plateau continues through 264 VAC.
Working humidity 20–90% RH, non-condensing.
Storage Temperature -40–85°C; humidity 10–95% RH.
Temperature coefficient ±0.03%/°C over 0–50°C.
Vibration 10–500 Hz, 2 G; 10 minutes per cycle, 60 minutes along each X, Y and Z axis.
High-altitude temperature adjustment Above 2000 m, reduce allowable ambient temperature by 3.5°C per 1000 m for fanless operation or 5°C per 1000 m for fan-cooled operation.

Apply the input-voltage and temperature limits together; a wide operating-temperature range does not mean full power at every temperature.

Dimensions, Grounding and Connections

Dimensions, L × W × H 175 × 60 × 27 mm; drawing tolerance ±1 mm.
Mounting layout Four Ø3.8 mm holes; indicated mounting-centre spacing 165 × 50 mm. The drawing shows up to 3 mm projection below the board.
On-board AC fuse marking T2.5A / 250 V.
Safety grounding M1 is the safety-ground point. For improved EMC, provide electrical connection between M1, M2, M3 and chassis ground.
AC input CN1 JST B3P-VH or equivalent: pin 1 AC/L; pin 2 no pin; pin 3 AC/N.
DC output CN2 JST B6P-VH or equivalent: pins 1–3 −V; pins 4–6 +V.
Input / output mating references JST VHR housing family and JST SVH-21T-P1.1 contacts, or equivalents.
Optional cover / L-bracket Cover 996A-T and L-bracket 996A-D are optional accessories.
Optional-case configuration 195 × 68.5 × 33 mm overall; 540 g single-unit reference weight with the optional case. The standard PCB configuration described here is 175 × 60 × 27 mm and 250 g.

Choose complete mating housings by circuit count and wire size. Mating housings, contacts and any external fan should be specified separately; the connector reference table does not state that loose mating parts are supplied. Follow the manufacturer installation instructions and maintain the required safety clearances.

Safety, EMC and Isolation

Listed safety approvals UL62368-1, TUV BS EN/EN62368-1 and EAC TP TC004.
Withstand voltage Input–output 3 kVAC; input–FG 2 kVAC; output–FG 0.5 kVAC.
Insulation resistance Input–output, input–FG and output–FG: 100 MΩ at 500 VDC, 25°C and 70% RH.
Emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020.
Immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55024, heavy-industry level; EAC TP TC020.

The power supply is a component for installation in final equipment. EMC testing uses a 360 × 360 mm metal plate, 1 mm thick. Confirm that the completed installation satisfies the applicable EMC and safety requirements.

Weight, Reliability and Catalogue

Single-unit reference weight 250 g (0.25 kg), explicitly listed per unit under PACKING; not the carton weight.
Carton packing PCB: 48 pieces / 13 kg / 0.96 CUFT; optional case: 25 pieces / 14.5 kg / 0.7 CUFT.
MTBF, minimum estimates 2229.2 thousand hours under Telcordia SR-332 (Bellcore); 345.3 thousand hours under MIL-HDBK-217F at 25°C.
Warranty 3-year manufacturer warranty, subject to applicable terms.
Catalogue revision ELP-75-SPEC, 2026-03-31; combined PDF pages 5–6.

MEAN WELL ELP-75 series: Open-Frame AC/DC Power Supply with PFC - ELP-75-36

Product form

MEAN WELL ELP-75-36 is an open-frame single-output AC/DC power supply rated 36 V, 2.1 A and 75.6 W. It provides... Read more

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    Description

    MEAN WELL ELP-75-36 is an open-frame single-output AC/DC power supply rated 36 V, 2.1 A and 75.6 W. It provides active PFC, low no-load consumption and an optional cover/L-bracket arrangement. Natural-convection operation is subject to the model-specific temperature and load limits.

    Product Datasheet

    Download MEAN WELL ELP-75 Datasheet (PDF)

    The ELP-75 section is on PDF pages 5, 6. Refer to the complete mechanical drawings and notes when planning installation.

    Model-Specific DC Output

    Nominal output 36 V DC.
    Rated continuous output 2.1 A / 75.6 W, subject to the cooling and temperature limits.
    Specified current range 0–2.1 A; continuous loading remains limited by the rated current and power.
    Ripple and noise, maximum 280 mVp-p.
    Output-voltage adjustment 32.4–39.6 V using SVR1.
    Voltage tolerance ±1.0%.
    Line / load regulation ±0.5% / ±1.0%.
    Efficiency, typical 90%.

    Unless stated otherwise, specifications are measured at 230 VAC, rated load and 25°C. Ripple/noise uses 20 MHz bandwidth and a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors. Voltage tolerance includes set-up tolerance, line regulation and load regulation.

    Input and Operating Features

    Input range 90–264 VAC or 127–370 VDC; AC frequency 47–63 Hz.
    Input current, typical 1.8 A at 115 VAC; 1 A at 230 VAC.
    Cold-start inrush, typical 60 A at 230 VAC.
    Leakage current Less than 1 mA at 240 VAC.
    Set-up / rise time 2500 / 50 ms at both 230 VAC and 115 VAC, full load.
    Hold-up time, typical 20 ms at 230 VAC; 20 ms at 115 VAC, full load.
    Switching-frequency reference 100 kHz in the block diagram.
    Power indication Built-in power-on LED.
    Power-factor correction Built-in active PFC; typical PF >0.95 at 230 VAC and >0.98 at 115 VAC, full load.
    No-load consumption Less than 0.5 W.

    Protection

    Short circuit / overload 105–150% of rated output power; hiccup mode with automatic recovery after the fault is removed.
    Overvoltage 39.7–46.8 V; output shutdown, re-power on to recover.

    Cooling, Derating and Environment

    Operating temperature -30–70°C; allowable load follows the horizontal-installation curve.
    Cooling Free-air convection. Keep the ventilation path clear and apply the curve for the actual installation.
    Thermal limit for this output At 36 V, full load extends to 50°C, then decreases linearly to 60% load at 70°C.
    Low-temperature input condition At 230 VAC, the curve permits full load from −30°C. At 115 VAC, allowable load rises from 80% at −30°C to 100% at −20°C.
    Input-voltage derating At 60 Hz: 80% load at 90 VAC, rising to 100% at 100 VAC; the full-load plateau continues through 264 VAC.
    Working humidity 20–90% RH, non-condensing.
    Storage Temperature -40–85°C; humidity 10–95% RH.
    Temperature coefficient ±0.03%/°C over 0–50°C.
    Vibration 10–500 Hz, 2 G; 10 minutes per cycle, 60 minutes along each X, Y and Z axis.
    High-altitude temperature adjustment Above 2000 m, reduce allowable ambient temperature by 3.5°C per 1000 m for fanless operation or 5°C per 1000 m for fan-cooled operation.

    Apply the input-voltage and temperature limits together; a wide operating-temperature range does not mean full power at every temperature.

    Dimensions, Grounding and Connections

    Dimensions, L × W × H 175 × 60 × 27 mm; drawing tolerance ±1 mm.
    Mounting layout Four Ø3.8 mm holes; indicated mounting-centre spacing 165 × 50 mm. The drawing shows up to 3 mm projection below the board.
    On-board AC fuse marking T2.5A / 250 V.
    Safety grounding M1 is the safety-ground point. For improved EMC, provide electrical connection between M1, M2, M3 and chassis ground.
    AC input CN1 JST B3P-VH or equivalent: pin 1 AC/L; pin 2 no pin; pin 3 AC/N.
    DC output CN2 JST B6P-VH or equivalent: pins 1–3 −V; pins 4–6 +V.
    Input / output mating references JST VHR housing family and JST SVH-21T-P1.1 contacts, or equivalents.
    Optional cover / L-bracket Cover 996A-T and L-bracket 996A-D are optional accessories.
    Optional-case configuration 195 × 68.5 × 33 mm overall; 540 g single-unit reference weight with the optional case. The standard PCB configuration described here is 175 × 60 × 27 mm and 250 g.

    Choose complete mating housings by circuit count and wire size. Mating housings, contacts and any external fan should be specified separately; the connector reference table does not state that loose mating parts are supplied. Follow the manufacturer installation instructions and maintain the required safety clearances.

    Safety, EMC and Isolation

    Listed safety approvals UL62368-1, TUV BS EN/EN62368-1 and EAC TP TC004.
    Withstand voltage Input–output 3 kVAC; input–FG 2 kVAC; output–FG 0.5 kVAC.
    Insulation resistance Input–output, input–FG and output–FG: 100 MΩ at 500 VDC, 25°C and 70% RH.
    Emissions BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020.
    Immunity BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55024, heavy-industry level; EAC TP TC020.

    The power supply is a component for installation in final equipment. EMC testing uses a 360 × 360 mm metal plate, 1 mm thick. Confirm that the completed installation satisfies the applicable EMC and safety requirements.

    Weight, Reliability and Catalogue

    Single-unit reference weight 250 g (0.25 kg), explicitly listed per unit under PACKING; not the carton weight.
    Carton packing PCB: 48 pieces / 13 kg / 0.96 CUFT; optional case: 25 pieces / 14.5 kg / 0.7 CUFT.
    MTBF, minimum estimates 2229.2 thousand hours under Telcordia SR-332 (Bellcore); 345.3 thousand hours under MIL-HDBK-217F at 25°C.
    Warranty 3-year manufacturer warranty, subject to applicable terms.
    Catalogue revision ELP-75-SPEC, 2026-03-31; combined PDF pages 5–6.

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