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Mean Well EPS-65S-12 Power Supply 65W 12V 5.42A

Name: Mean Well EPS-65S-12 Power Supply 65W 12V 5.42A
Brand: Mean Well
SKU: EPS-65S-12
Price: 17.75 USD
Availability: InStock

3" x 2"economical non-PFCsmall sizehigh efficiency

SKU EPS-65S-12

$17.75 USD

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In stock

Overview

EPS-65S-12 is the 12V output model of this series: rated current 5.42A, rated power 65W, typical efficiency 88%.

EPS-65S is a 65W highly reliable green PCB type industrial power supply with a high power density on the 3” by 2” footprint. It accepts 80~264VAC input and offers various output voltages between 3.3V and 48V. The working efficiency is up to 91% and the extremely low no load power consumption is down below 0.1W. EPS-65S is able to be used for ClassⅡ(no FG) system design.

Features

3"×2" miniature size
Universal AC input / Full range
ClassⅡ(without FG) installations
No load power consumption<0.1W
High efficiency up to 91%
For 1U applications
Protections: Short circuit / Overload / Over voltage
Cooling by free air convection
-30~70℃wide range of operating temperature
Operating altitude up to 5000 meters
LED indicator for power on
3 years warranty

Specifications

EPS-65S-12Specifications from the official datasheet (2026-03-31 edition)

OUTPUT

DC VOLTAGE: 12V
RATED CURRENT: 5.42A
CURRENT RANGE: 0 ~ 5.96A
RATED POWER: 65W
PEAK LOAD(10sec.)^Note.2: 71.5W
RIPPLE & NOISE (max.)^Note.3: 120mVp-p
VOLTAGE ADJ.RANGE: 11.4~13.2V
VOLTAGE TOLERANCE^Note.4: ±2.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±2.0%
SETUP, RISE TIME: 500ms, 30ms / 230VAC 500ms, 30ms / 115VAC at full load
HOLD UP TIME (Typ.): 30ms / 230VAC 12ms / 115VAC at full load

INPUT

VOLTAGE RANGE^Note.5: 80 ~ 264VAC
FREQUENCY RANGE: 47 ~ 63Hz
EFFICIENCY (Typ.): 88%
AC CURRENT (Typ.): 1.5A / 115VAC 1A / 230VAC
INRUSH CURRENT (Typ.): COLD STAR 30A/115VAC 50A/230VAC
LEAKAGE CURRENT(max.): 0.25mA/264VAC

PROTECTION

OVERLOAD: 115 ~ 150% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: 13.8~16.2V Protection type : Shut down o/p voltage, re-power on to recover

ENVIRONMENT

WORKING TEMP.: -30 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT: ±0.03% / ℃ (0 ~ 50℃)
OPERATING ALTITUDE^Note.6: 5000 meters
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS: UL62368-1, TUV BS EN/EN62368- 1, BS EN/EN60335-1, CCC GB4943.1, EAC TP TC 004 approved
WITHSTAND VOLTAGE: I/P-O/P: 3KVAC
ISOLATION RESISTANCE: I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION: Compliance to BS EN/EN55032(CISPR32) Class B, BS EN/EN61000-3-2,3, GB9254.1 Class B,GB17625 Class A,EAC TP TC 020
EMC IMMUNITY: Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, Heavy industry Level , EAC TP TC 020

OTHERS

MTBF: 3334.3K hrs min. Telcordia SR-332 (Bellcore) ; 706.6K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 76.2*50.8*24mm or 3" * 2" *0.945" inch (L*W*H)
PACKING: 0.11Kg; 120pcs/14.2Kg/0.94CUFT

Test conditions and notes7

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
2. 33% Duty cycle maximum within every 30 seconds. Average output power should not exceed the rated power.
3. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
4. Tolerance : includes set up tolerance, line regulation and load regulation.
5. Derating may be needed under low input voltages. Please check the derating curve for more details.
6. 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).
7. The power supply is considered a component which will be installed into a final equipment. 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. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )

Technical drawings

EPS-65S-12 Block Diagram — Block Diagram

EPS-65S-12 Derating Curve — Derating Curve

EPS-65S-12 Mechanical Specification — Mechanical Specification

Typical applications

Industrial electrical equipment
Mechanical equipment
Factory automation equipment
Handheld electronic device

Downloads

Datasheet1

EPS-65S-12 datasheetEPS-65S-SPEC.PDF · 2026-03-31 edition PDF Download

Certificates9

Mean Well E183223 UL Certificate PDF Download

Mean Well EPS-65S-45S TUV Certificate PDF Download

Mean Well EPS-45S-65S TUV Certificate PDF Download

Mean Well EPS-45S-65S CB Certificate PDF Download

Mean Well EPS-45S-65S CB(UL) Certificate PDF Download

Mean Well EPS-45S-65S CB(TUV) Certificate PDF Download

Mean Well EPS-45S-65S CE-dec Certificate PDF Download

Mean Well EPS-45S-65S UK-dec Certificate PDF Download

Mean Well EAC Certificate PDF Download

Test reports1

Mean Well EPS-65S-12 Test Report PDF Download

Catalogues1

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the EPS-65S-12 for a 12V PLC, HMI, or industrial control panel?

It can fit 12V industrial control equipment that requires constant-voltage 12VDC and stays within the unit's 65W and 5.42A output. The wide 80-264VAC input also makes it suitable for panels used in different AC supply regions. Check that the total 12V load does not exceed 65W.

Is the EPS-65S-12 suitable for embedded 12V electronics or edge devices inside a compact enclosure?

This model is often a fit for embedded or IT equipment that needs regulated 12VDC and draws up to 5.42A. Its 76.2 x 50.8 x 24.0 mm size and 0.11 kg weight make it easier to use where board space is limited. It is a constant-voltage supply, so it suits 12V loads rather than constant-current applications.

Can I use the EPS-65S-12 for 12V sensors, relays, and automation accessories on one DC bus?

Yes, if the connected devices all require 12V constant-voltage power and their combined draw stays within 65W or 5.42A. That makes it relevant for grouped 12V automation loads such as control accessories and low-power subsystems. It is not the right choice for equipment that requires a different output voltage.

Is the EPS-65S-12 meant for outdoor use or harsh ambient conditions?

The provided specs list an operating temperature range of -30C to +70C (with output derating at higher ambient temperatures per the derating curve), but they do not list an IP rating. Without an IP rating in the published specs, it should not be treated as an outdoor-rated exposed power supply. It is better aligned with indoor equipment or protected enclosures where temperature still stays within -30C to +70C.

How does the EPS-65S-12 compare with the other EPS-65S models?

Within the EPS-65S group, the listed variants are 3.3V 33W 10A, 5V 50W 10A, 7.5V 60W 8A, 12V 65W 5.42A, 15V 65.1W 4.34A, 24V 65W 2.71A, and 48V 65.3W 1.36A. The EPS-65S-12 sits in the middle of the voltage range and provides 12V at up to 5.42A. All are compact EPS-65S open-frame models, but the output voltage, wattage, and current differ by SKU.

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