MEAN WELL EPP-120S-48 120W 48V 2.5A Open Frame

Part numberEPP-120S-48
Output voltage 48 V
Rated current 2.5 A
Rated power 120 W
$41.06Excluding tax and shipping
Ships in 3–5 business daysLead time is the time from order to dispatch, and does not include transit time.
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EPP-120S model selection table Industrial - Green PCB Type
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Key specifications

Complete technical specifications
Output
Output voltage 48 V
Rated current 2.5 A
Rated power 120 W
AC input range 80–264 VAC
Typical efficiency 93.5 %
Mechanical
Operating temperature -30 to 85 °C
Power factor correction Supported
Dimensions (L × W × H) 76.2 × 50.8 × 28 mm

Is this model right for you?

Within the EPP-120S series, the EPP-120S-48 is distinguished by its 48V output and 45.6 ~50.4V adjustment range. EPP-120S-12 provides 12V with 11.4~12.6V adjustment, EPP-120S-15 provides 15V with 14.3~15.8V, EPP-120S-24 provides 24V with 22.8~25.2V, and EPP-120S-27 provides 27V with 25.6 ~ 28.4V. Typical efficiency also differs: 93.5% for EPP-120S-48, 91% for EPP-120S-12, 92% for EPP-120S-15, 93% for EPP-120S-24, and 94% for EPP-120S-27.

Product overview

The EPP-120S-48 is an AC/DC Open Frame product in the Industrial - Green PCB Type family. It provides a 48V output with an adjustment range of 45.6 ~50.4V. The input voltage range is 80 ~ 264VAC 113 ~ 370VDC at 47 ~ 63Hz. Typical efficiency is 93.5%. Dimensions are 76.2 × 50.8 × 28 mm and net weight is 130 g.

Where this model fits

The EPP-120S-48 is used in Embedded & Board-level Design. Its 48V output and 45.6 ~50.4V adjustment range are the electrical parameters for this model. The input voltage range is 80 ~ 264VAC 113 ~ 370VDC at 47 ~ 63Hz. Dimensions are 76.2 × 50.8 × 28 mm and net weight is 130 g.

Complete technical specifications

Rev. 2026-03-31
Output
Output voltage 48 V
Rated current 2.5 A
Rated power 120 W
Voltage adjustment range 45.6–50.4 V
Ripple & noise 200 mVp-p
Input
AC input range 80–264 VAC
DC input range 113–370 VDC
Frequency range 47–63 Hz
Typical efficiency 93.5 %
Power factor 0.94
Power factor correction Supported
Environmental
Operating temperature -30 to 85 °C
Storage temperature -40 to 85 °C
Operating humidity 20–90 % RH
Vibration 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
Mechanical
Dimensions (L × W × H) 76.2 × 50.8 × 28 mm
Net weight 130.0 g
Safety & compliance
Safety standards UL62368-1, TUV BS EN/EN62368-1, BS EN/EN60335-1, IEC62368-1, CCC GB4943.1, EAC TP TC 004 approved

These approvals are recorded for the series as a whole. Where a line names particular models or ratings, it applies only to those — read it against this part number, and ask us for the certificate if your approval process needs it.

Identification
Part number EPP-120S-48
Brand MEAN WELL
Category AC/DC Open Frame
Series EPP-120S

Approvals and compliance

From the manufacturer's datasheet for this series
Isolation and electromagnetic compatibility
Withstand voltage I/P-O/P:4KVAC I/P-FG:2KVAC O/P-FG:1.5KVAC
Isolation resistance I/P-O/P, I/P-FG, O/P-FG: 100M Ohms / 500VDC / 25℃/ 70% RH

Standards certified against

  • EN60335-1
  • EN62368-1
  • GB4943.1
  • IEC62368-1
  • UL62368-1
Read the datasheet's exact wording

UL62368-1, TUV BS EN/EN62368-1, BS EN/EN60335-1, IEC62368-1, CCC GB4943.1, EAC TP TC 004 approved

Reproduced unedited from the manufacturer's datasheet. Where an approval covers only some models, the wording says so. Ask us for the certificate itself if your approval process needs it.

Certificates

Certificate copy supplied with this model.

  • CE · R50453592

    100%
    CE certificate R50453592

    CE · Certificate number R50453592

Ordering & shipping information

Order and delivery terms
Part number EPP-120S-48
Minimum order quantity 1
Country of origin China
Typical packed weight 290 g
Unit weight 130 g

Downloads

EPP-120S model comparison

View all models
ModelOutput voltageRated currentRated powerPriceAvailability
EPP-120S-1212 V9.5 A114 W$41.06
Ships in 3–5 business days
EPP-120S-48 48 V2.5 A120 W$41.06
Ships in 3–5 business days
EPP-120S-1515 V7.6 A114 W$43.90
Ships in 3–5 business days
EPP-120S-2424 V5 A120 W$41.06
Ships in 3–5 business days
EPP-120S-2727 V4.44 A119.9 W$43.90
Ships in 3–5 business days

EPP-120S-48 provides a 48V output; EPP-120S-12 provides 12V, EPP-120S-15 provides 15V, EPP-120S-24 provides 24V, and EPP-120S-27 provides 27V.

EPP-120S-48 has an output adjustment range of 45.6 ~50.4V; EPP-120S-12 has 11.4~12.6V, EPP-120S-15 has 14.3~15.8V, EPP-120S-24 has 22.8~25.2V, and EPP-120S-27 has 25.6 ~ 28.4V.

EPP-120S-48 lists typical efficiency of 93.5%; EPP-120S-12 lists 91%, EPP-120S-15 lists 92%, EPP-120S-24 lists 93%, and EPP-120S-27 lists 94%.

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Technical data source

Primary source
MEAN WELL
Datasheet revision
2026-03-31
Last verified

View the manufacturer datasheet How we source and verify product data

Specifications are transcribed from the manufacturer datasheet and are subject to change without notice. The current manufacturer datasheet governs in case of any discrepancy.