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Mean Well

Mean Well EPS-35-27 Power Supply 35W 27V 1.3A

3" x 2"economical non-PFCsmall sizehigh efficiency
SKU EPS-35-27
$15.77 USD
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Overview

EPS-35-27 is the 27V output model of this series: rated current 1.3A, rated power 35.1W, typical efficiency 89%.

Features

  • Universal AC input / Full range
  • High efficiency up to 90%
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • 3"×2" compact size
  • LED indicator for power on
  • No load power consumption<0.3W
  • 3 years warranty

Specifications

EPS-35-27Specifications from the official datasheet (2026-03-31 edition)

OUTPUT

DC VOLTAGE
27V
RATED CURRENT
1.3A
CURRENT RANGE
0 ~ 1.45A
RATED POWER
35.1W
PEAK LOAD(10sec.)Note.6
39.15W
RIPPLE & NOISE (max.)Note.2
180mVp-p
VOLTAGE ADJ. RANGE
24.3 ~ 29.7V
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIME
1000ms, 30ms/230VAC 1000ms, 30ms/115VAC at full load
HOLD UP TIME (Typ.)
50ms/230VAC 16ms/115VAC at full load

INPUT

VOLTAGE RANGENote.5
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
EFFICIENCY (Typ.)
89%
AC CURRENT (Typ.)
0.75A/115VAC 0.5A/230VAC
INRUSH CURRENT (Typ.)
COLD START 40A/230VAC
LEAKAGE CURRENT
<1mA/240VAC

PROTECTION

OVER LOAD
115 ~ 170% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
31.05 ~ 36.45V 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 ALTITUDENote.8
2000 meters
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC (Note 4)

SAFETY STANDARDS
UL62368-1, TUV BS EN/EN62368-1, CCC GB4943.1,EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG: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
3673.9K hrs min. Telcordia SR-332 (Bellcore) ; 649.2K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
76.2*50.8*24mm (L*W*H)
PACKING
0.085Kg; 120pcs/11.2Kg/0.94CUFT
Test conditions and notes8
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 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. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. 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 )
  5. 5. Derating may be needed under low input voltage. Please check the static characteristics for more details.
  6. 6. 33% Duty cycle maximum within every 30 seconds. Average output power should not exceed the rated power.
  7. 7. EPS-35-24/27/36/48 without Hs1.
  8. 8. 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).

Technical drawings

EPS-35-27 Mechanical Specification
Mechanical Specification
EPS-35-27 Block Diagram
Block Diagram
EPS-35-27 Output Derating
Output Derating

Downloads

FAQ

Can I use the EPS-35-27 for a 27V industrial control device or automation subassembly?

Yes, it is a constant-voltage 27V supply rated for 35.1W and 1.3A, which fits equipment that specifically requires a 27V DC source within that load range. It is best suited to compact internal industrial, embedded, or automation assemblies where the device load stays at or below 1.3A.

Is the EPS-35-27 suitable for embedded electronics that need a small internal 27V power supply?

It can be a good fit for embedded designs that need 27V DC and up to 35.1W from an AC input of 85-264VAC. The 76.2 × 50.8 × 24.0 mm size and 0.085 kg weight make it more appropriate for space-conscious internal equipment than larger chassis supplies.

Can this power supply run a 27V panel device, interface module, or low-power actuator load?

It is intended for 27V constant-voltage loads drawing up to 1.3A, so it fits panel devices, interface electronics, or similar low-power automation loads that stay within 35.1W. The key selection point is matching both the required 27V output and the current draw to the 1.3A limit.

Is the EPS-35-27 suitable for outdoor or harsh-environment use?

The listed operating temperature is -30°C to +70°C, but no IP rating is provided in these specs. That means the product data here supports temperature capability, but does not indicate sealed protection for outdoor, wet, or washdown exposure.

Payment & Security

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Mean Well EPS-35-27 Power Supply 35W 27V 1.3A
Mean Well

Mean Well EPS-35-27 Power Supply 35W 27V 1.3A

$15.77 USD

EPS-35-27 is the 27V output model of this series: rated current 1.3A, rated power 35.1W, typical efficiency 89%.

Features

  • Universal AC input / Full range
  • High efficiency up to 90%
  • Protections: Short circuit / Overload / Over voltage
  • Cooling by free air convection
  • 3"×2" compact size
  • LED indicator for power on
  • No load power consumption<0.3W
  • 3 years warranty
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