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Mean Well EPP-120S-24 Power Supply 120W 24V 5A

Name: Mean Well EPP-120S-24 Power Supply 120W 24V 5A
Brand: Mean Well
SKU: EPP-120S-24
Price: 36.56 USD
Availability: InStock

3" x 2"economical PFCno load power consumption<0.3W

SKU EPP-120S-24

$36.56 USD

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Overview

EPP-120S-24 is the 24V output model of this series: typical efficiency 93%.

EPP-120S is a 120W highly reliable green PCB type power supply with a high power density on the 3" by 2" footprint. It accepts 80~264VAC input and offers various output voltages between 12V and 48V. The working efficiency is up to 94% and the extremely low no load power consumption is down below 0.3W.EPP-120S is able to be used for both ClassⅠ(with FG) and ClassⅡ(no FG) system design. EPP-120S has the complete protection functions; it is complied with the international safety regulations such as TUV BS EN/EN62368-1, BS EN/EN60335-1, UL62368-1 and IEC62368-1. EPP-120S series serves as a high price-to-performance power supply solution for various industrial applications.

Features

3"×2" Compact Size
120W convection,150W peak (10sec.)
EMI for both ClassⅠ& Class Ⅱ configuration
-30~+85℃ wide range operating temperature
No load power consumption<0.3W
High efficiency up to 94%
Protections: Short circuit / Overload / Over voltage / Over temperature
Operating altitude up to 5000 meters (Note.5)
3 years warranty

Specifications

EPP-120S-24Specifications from the official datasheet (2026-09-28 edition)

OUTPUT

DC VOLTAGE: 24V
CURRENT Peak(10 sec.): 6.25A
CURRENT Convection: 5A
RATED POWER Peak(10 sec.): 150W
RATED POWER Convection: 120W
RIPPLE & NOISE (max.)^Note.2: 150mVp-p
VOLTAGE ADJ. RANGE: 22.8~25.2V
VOLTAGE TOLERANCE^Note.3: ±1.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±1.0%
SETUP, RISE TIME: 600ms, 30ms/230VAC 600ms, 30ms/115VAC at full load
HOLD UP TIME (Typ.): 15ms/230VAC 15ms/115VAC at full load

INPUT

VOLTAGE RANGE^Note.4: 80 ~ 264VAC 113 ~ 370VDC
FREQUENCY RANGE: 47 ~ 63Hz
POWER FACTOR: PF>0.94/230VAC PF>0.98/115VAC at full load
EFFICIENCY (Typ.): 93%
AC CURRENT (Typ.): 2.3A/115VAC 1.1A/230VAC
INRUSH CURRENT (Typ.): COLD START 30A/115VAC 60A/230VAC
LEAKAGE CURRENT: <0.75mA / 240VAC

PROTECTION

OVERLOAD: 130~160% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: 26.4 ~ 31.2V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE: Protection type : Hiccup mode, recovers automatically after temperature goes down

ENVIRONMENT

WORKING TEMP.: -30 ~ +85℃ (Refer to "Derating Curve")
WORKING HUMIDITY: 20 ~ 90% RH non-condensing
STORAGE TEMP.: -40 ~ +85℃
TEMP. COEFFICIENT: ±0.03%/℃ (0 ~ 50℃)
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
OPERATING ALTITUDE^Note.5: 5000 meters

SAFETY & EMC

SAFETY STANDARDS: UL62368-1, TUV BS EN/EN62368-1, BS EN/EN60335-1, IEC62368-1, CCC GB4943.1, EAC TP TC 004 approved
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
EMC EMISSION: GB9254.1 Class B,GB17625 Class A

Parameter Standard Test Level

Conducted emission BS EN/EN55032 (CISPR32) Class B
Radiated emission BS EN/EN55032 (CISPR32) ClassⅠ: Class B , Class Ⅱ: Class A
Harmonic current BS EN/EN61000-3-2 Class A
Voltage flicker BS EN/EN61000-3-3
EMC IMMUNITY: BS EN/EN55035, BS EN/EN61000-6-2

Parameter Standard Test Level

ESD BS EN/EN61000-4-2 Level 3, 8KV air; Level 3, 4KV contact
RF field susceptibility BS EN/EN61000-4-3 Level 3, 10V/m( 80MHz~2.7GHz ) Table 9, 9~28V/m( 385MHz~5.78GHz )
EFT bursts BS EN/EN61000-4-4 Level 3, 2KV
Surge susceptibility BS EN/EN61000-4-5 Level 4, 4KV/Line-FG; 2KV/Line-Line
Conducted susceptibility BS EN/EN61000-4-6 Level 3, 10V
Magnetic field immunity BS EN/EN61000-4-8 Level 4, 30A/m
Voltage dip, interruption BS EN/EN61000-4-11 95% dip 0.5 periods, 30% dip 25 periods, 95% interruptions 250 periods

Parameter	Standard	Test Level
Conducted emission	BS EN/EN55032 (CISPR32)	Class B
Radiated emission	BS EN/EN55032 (CISPR32)	ClassⅠ: Class B , Class Ⅱ: Class A
Harmonic current	BS EN/EN61000-3-2	Class A
Voltage flicker	BS EN/EN61000-3-3

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 3, 8KV air; Level 3, 4KV contact
RF field susceptibility	BS EN/EN61000-4-3	Level 3, 10V/m( 80MHz~2.7GHz ) Table 9, 9~28V/m( 385MHz~5.78GHz )
EFT bursts	BS EN/EN61000-4-4	Level 3, 2KV
Surge susceptibility	BS EN/EN61000-4-5	Level 4, 4KV/Line-FG; 2KV/Line-Line
Conducted susceptibility	BS EN/EN61000-4-6	Level 3, 10V
Magnetic field immunity	BS EN/EN61000-4-8	Level 4, 30A/m
Voltage dip, interruption	BS EN/EN61000-4-11	95% dip 0.5 periods, 30% dip 25 periods, 95% interruptions 250 periods

OTHERS

MTBF: 4071.1K hrs min. Telcordia SR-332 (Bellcore) ; 470.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 76.2*50.8*28mm (L*W*H) or 3" * 2" *1.1" inch
PACKING: 0.13Kg; 100pcs/14Kg/1.13CUFT

Test conditions and notes6

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
3. Tolerance : includes set up tolerance, line regulation and load regulation.
4. Derating may be needed under low input voltages. Please check the derating curve for more details.
5. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
6. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )

Technical drawings

EPP-120S-24 Block Diagram — Block Diagram

EPP-120S-24 Mechanical Specification — Mechanical Specification

Typical applications

Industrial automation machinery
Industrial control system
Mechanical and electrical equipment
Electronic instruments, equipments or apparatus

Downloads

Datasheet1

EPP-120S-24 datasheetEPP-120S-SPEC.PDF · 2026-09-28 edition PDF Download

Certificates9

Mean Well E183223 UL Certificate PDF Download

Mean Well 0147476-EAC Certificate PDF Download

Mean Well EPP-120S-TUV-cer(60335) Certificate PDF Download

Mean Well EPP-120S-TUV Certificate PDF Download

Mean Well EPP-120S-CB(UL) Certificate PDF Download

Mean Well EPP-120S-CB Certificate PDF Download

Mean Well EPP-120S-EMC Certificate PDF Download

Mean Well EPP-120S-CE-dec Certificate PDF Download

Mean Well EPP-120S-UK-dec Certificate PDF Download

Test reports1

Mean Well EPP-120S-24 Test Report PDF Download

Catalogues1

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the EPP-120S-24 for 24V PLC or automation equipment?

Yes, it supplies constant-voltage 24V output with up to 5A and 120W available. That makes it suitable for 24V automation or industrial electronics that are specified for 24V DC and remain within the 5A and 120W limits.

Is the EPP-120S-24 suitable for 24V sensors, controllers, or industrial subsystems?

It can be used where the subsystem requires 24V constant-voltage power and the total load does not exceed 5A. The 80-264VAC input range is also useful for machines or panels deployed in different AC power environments.

Can this power supply run a 24V embedded control assembly?

Yes, if the assembly is designed for 24V DC and needs no more than 120W total output power. Its 24V, 5A rating fits many mid-power industrial control and embedded applications that use 24V as a standard DC bus.

Can the EPP-120S-24 be used outdoors?

The specified operating temperature range is -30°C to +85°C, with the load derated at higher ambient temperatures according to the derating curve. But there is no IP rating listed, so it is best used in protected indoor equipment or within an enclosure rather than in exposed outdoor conditions.

How does the EPP-120S-24 compare with other 24V EPP models?

This datasheet covers only the EPP-120S series, in which the EPP-120S-24 is the only 24V model: 120W at 5A convection-cooled, 150W and 6.25A peak for 10 seconds, and 93% typical efficiency. It uses the 3" x 2" platform with 76.2 × 50.8 × 28 mm dimensions; other EPP families are not specified on this sheet, so compare them against their own datasheets.

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