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Mean Well

Mean Well HEP-150-48A Power Supply 153.6W 48V 3.2A

fanless designhigh efficiency up to 96%rugged metal case with IP65 design(IP68 option available)withstand 10G vibrationsuitable for harsh environment
SKU HEP-150-48A
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Select model — 15 in this family

HEP-150-48A
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Overview

HEP-150-48A is the 48V output model of this series: rated current 3.2A, rated power 153.6W, typical efficiency 94%.

HEP-150 is a 150W 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 94%, enabling HEP-150 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 94%
  • 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-150-48ASpecifications from the official datasheet (2025-10-10 edition)

OUTPUT

DC VOLTAGE
48V
RATED CURRENT
3.2A
RATED POWER
153.6W
RIPPLE & NOISE (max.)Note.2
200mVp-p
VOLTAGE ADJ. RANGENote.5
43 ~ 53V
CURRENT ADJ. RANGE
1.92 ~ 3.2A
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIMENote.7
1000ms,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>0.92/277VAC at full load
EFFICIENCY (Typ.)
94%
AC CURRENT (Typ.)
1.7A / 115VAC 0.75A / 230VAC 0.7A / 277VAC
INRUSH CURRENT(Typ.)
COLD START 65A 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
54 ~ 63V
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 ~ +80℃, 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-150 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
1967.4K hrs min. Telcordia SR-332 (Bellcore) ; 164.2Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
228*68*38.8mm (L*W*H)
PACKING
1.15Kg; 12pcs/14.8Kg/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-150-48A Block Diagram
Block Diagram
HEP-150-48A Mechanical Specification
Mechanical Specification

Typical applications

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

Downloads

FAQ

Can the HEP-150-48A be used for 48V building automation or access-control hardware?

Yes, if the hardware requires a constant-voltage 48V DC source. The unit can provide up to 3.2A and 153.6W, so the full system load needs to stay within that capacity.

Is this model suitable for 48V industrial communications or control panels?

It is a fit for 48V communications or control equipment that is designed for constant-voltage input. The broad 90-264VAC input range (277VAC operational) is useful where AC supply conditions vary from site to site.

Can I use the HEP-150-48A for a rugged 48V embedded system?

It can be used with embedded systems that call for 48V constant voltage and stay at or below 153.6W. The IP65 rating, 10G vibration specification, and -55°C to +70°C operating range support use in harsh environments.

Is the HEP-150-48A intended for indoor or outdoor environments?

With an IP65 Water-Resistant rating, this version is suitable for dusty areas and for locations exposed to water spray or rain. Its operating temperature range is -55°C to +70°C, but it is not the IP68 version of the 48V model.

What are the HEP-150-48A alternatives in the same HEP-150 family?

The HEP-150 range includes HEP-150-12 and HEP-150-12A at 150W, 12V, 12.5A; HEP-150-15 and HEP-150-15A at 150W, 15V, 10A; HEP-150-24 and HEP-150-24A at 151.2W, 24V, 6.3A; HEP-150-36 and HEP-150-36A at 151.2W, 36V, 4.2A; HEP-150-48 and HEP-150-48A at 153.6W, 48V, 3.2A; and HEP-150-54 and HEP-150-54A at 151.2W, 54V, 2.8A. The HEP-150-48A matches HEP-150-48 electrically at 48V, 3.2A, and 153.6W.

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Mean Well HEP-150-48A Power Supply 153.6W 48V
Mean Well

Mean Well HEP-150-48A Power Supply 153.6W 48V 3.2A

Log in to see price

HEP-150-48A is the 48V output model of this series: rated current 3.2A, rated power 153.6W, typical efficiency 94%.

HEP-150 is a 150W 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 94%, enabling HEP-150 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 94%
  • 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 48V
  • 100W 48V Adjustable
  • 1000W 48V
  • 150W 48V
  • 150W 48V Adjustable
  • 185W 48V
  • 185W 48V Adjustable
  • 240W 48V
  • 240W 48V Adjustable
  • 320W 48V
  • 320W 48V Adjustable
  • 480W 48V
  • 480W 48V Adjustable
  • 600W 48V
  • 600W 48V Adjustable
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