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Mean Well

Mean Well HEP-100-24A Power Supply 96W 24V 4A

fanless designhigh efficiency up to 96%rugged metal case with IP65 design(IP68 option available)withstand 10G vibrationsuitable for harsh environment
SKU HEP-100-24A
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Select model — 15 in this family

HEP-100-24A
Available to order
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Overview

HEP-100-24A is the 24V output model of this series: rated current 4A, rated power 96W, typical efficiency 93%.

HEP-100 is a 100W industrial AC/DC power supply featuring the outstanding capability to operate under highly humid, dusty, oily, and high-vibration harsh environment. The entire series is housed with the aluminum case and fully potted with heat-conducted silicone. Thanks to state-of-the-art design, the working efficiency is up to 93%, enabling HEP-100 perfectly work between -55℃ and +70℃ under free air convection.

Features

  • Universal AC input / Full range
  • Built-in active PFC function
  • High efficiency up to 93%
  • Fanless design, cooling by free air convection
  • -55~+70℃ wide operating range
  • Aluminum case and filling with heat-conducted silicone
  • IP65 design, optional IP68 rated model available
  • Meet 6KV surge immunity level
  • Withstand 10G vibration test
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Operating altitude up to 5000 meters (Note.9)
  • 6 years warranty

Specifications

HEP-100-24ASpecifications from the official datasheet (2025-10-10 edition)

OUTPUT

DC VOLTAGE
24V
RATED CURRENT
4A
RATED POWER
96W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGENote.5
22 ~ 27V
CURRENT ADJ. RANGE
Can be adjusted by internal potentiometer for A type only
CURRENT ADJ. RANGE
2.5 ~ 4A
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIMENote.7
1200ms,50ms/115VAC 500ms,50ms/230VAC at full load
HOLD UP TIME (Typ.)
16ms at full load 230VAC /115VAC

INPUT

VOLTAGE RANGENote.4
90~264VAC (277VAC operational) 128~370VDC(390VDC operational)
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.98/115VAC, PF>0.95/230VAC, PF>0.91/277VAC at full load
EFFICIENCY (Typ.)
93%
AC CURRENT (Typ.)
1.2A / 115VAC 0.55A / 230VAC 0.5A / 277VAC
INRUSH CURRENT(Typ.)
COLD START 60A at 230VAC
LEAKAGE CURRENT
<0.75mA / 277VAC

PROTECTION

OVERLOAD
105 ~ 125% Protection type : Constant current limiting, recovers automatically after fault condition is removed
SHORT CIRCUIT
Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
28 ~ 34V Protection type : Shut down o/p voltage with auto-recovery or re-power on to recovery
OVER TEMPERATURE
Shut down o/p voltage, recovers automatically after temperature goes down

ENVIRONMENT

WORKING TEMP.
-55 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY
-60 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 60℃)
VIBRATION
20 ~ 500Hz, 10G 12min./1cycle, period for 72min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDSNote.6,9
UL62368-1, IEC62368-1,IP65 (or IP68 for HEP-100 Blank type), EAC TP TC 004 approved ; Design refer to BS EN/EN62368-1
WITHSTAND VOLTAGE
I/P-O/P:3.75KVAC 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
Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, light industry level (surge 6KV), EAC TP TC 020

OTHERS

MTBF
1970.2K hrs min. Telcordia SR-332 (Bellcore) ; 164.8Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
220*68*38.8mm (L*W*H)
PACKING
1.12Kg; 12pcs/14.4Kg/0.8CUFT
Test conditions and notes10
  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 0.1uf & 47uf parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. Derating may be needed under low input voltages. Please check the static characteristics for more details.
  5. 5. A type only.
  6. 6. Safety and EMC design refer to BS EN/EN60598-1, CNS15233, GB7000.1, FCC part18.
  7. 7. Length of set up time is measured at cold first start. Turning ON/OFF the power supply may lead to increase of the set up time.
  8. 8. The power supply is considered as a component that will be operated in combination with final equipment. Since EMC performance will be affected by the complete installation, the final equipment manufacturers must re-qualify EMC Directive on the complete installation again. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
  9. 9. The water protection level test for the IP68 rating is performed 1000mm below the surface of the water for 1 month.
  10. 10. 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

HEP-100-24A Block Diagram
Block Diagram
HEP-100-24A Mechanical Specification
Mechanical Specification

Typical applications

  • Outdoor telecommunication equipment
  • Outdoor electronic signage and billboard
  • Petroleum plant or mine shaft facility

Downloads

FAQ

Can I use the HEP-100-24A for 24V industrial HMIs and operator interfaces?

Yes, if the connected 24V equipment stays within 4A total and 96W total. Its constant-voltage 24V output is appropriate for HMIs, operator interfaces, and similar industrial electronics that require regulated 24V DC.

Is this a good choice for 24V sensors, actuators, and control accessories on a machine?

It can be a fit for 24V machine accessories when their combined demand does not exceed 96W or 4A. That makes it suitable for low-power automation loads built around a 24V DC bus.

Can this model power 24V network or edge devices in industrial IT enclosures?

Yes, for 24V DC devices that stay within the 4A and 96W output limit. The -55°C to +70°C temperature range (with derating per the derating curve) and 10G vibration resistance support use in industrial IT and edge-control environments.

Would this work for 24V control hardware in outdoor or semi-exposed locations?

Yes, this version is rated IP65 and operates from -55°C to +70°C, so it is suited to demanding indoor installations and outdoor areas where water resistance is needed. It is also rated for 10G vibration, so it is intended for harsh conditions rather than clean indoor-only electronics benches.

How does the HEP-100-24A differ from the other HEP-100 siblings?

Across the HEP-100 family, the 12V models are 100.08W and 8.34A, the 15V models are 100.05W and 6.67A, the 24V models are 96W and 4A, the 36V models are 95.4W and 2.65A, the 48V models are 96W and 2A, and the 54V models are 95.58W and 1.77A. This 24V version sits in the same general power class but provides the output needed for 24V systems.

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Mean Well HEP-100-24A Power Supply 96W 24V
Mean Well

Mean Well HEP-100-24A Power Supply 96W 24V 4A

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HEP-100-24A is the 24V output model of this series: rated current 4A, rated power 96W, typical efficiency 93%.

HEP-100 is a 100W industrial AC/DC power supply featuring the outstanding capability to operate under highly humid, dusty, oily, and high-vibration harsh environment. The entire series is housed with the aluminum case and fully potted with heat-conducted silicone. Thanks to state-of-the-art design, the working efficiency is up to 93%, enabling HEP-100 perfectly work between -55℃ and +70℃ under free air convection.

Features

  • Universal AC input / Full range
  • Built-in active PFC function
  • High efficiency up to 93%
  • Fanless design, cooling by free air convection
  • -55~+70℃ wide operating range
  • Aluminum case and filling with heat-conducted silicone
  • IP65 design, optional IP68 rated model available
  • Meet 6KV surge immunity level
  • Withstand 10G vibration test
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Operating altitude up to 5000 meters (Note.9)
  • 6 years warranty

Typical applications

  • Outdoor telecommunication equipment
  • Outdoor electronic signage and billboard
  • Petroleum plant or mine shaft facility

Model

  • 100W 24V
  • 100W 24V Adjustable
  • 1000W 24V
  • 150W 24V
  • 150W 24V Adjustable
  • 185W 24V
  • 185W 24V Adjustable
  • 240W 24V
  • 240W 24V Adjustable
  • 320W 24V
  • 320W 24V Adjustable
  • 480W 24V
  • 480W 24V Adjustable
  • 600W 24V
  • 600W 24V Adjustable
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