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Mean Well HEP-150-12 Power Supply 150W 12V 12.5A

fanless designhigh efficiency up to 96%rugged metal case with IP65 design(IP68 option available)withstand 10G vibrationsuitable for harsh environment
SKU HEP-150-12
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Select model — 12 in this family

HEP-150-12
Available to order
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Overview

HEP-150-12 is the 12V output model of this series: rated current 12.5A, rated power 150W, typical efficiency 91.5%.

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-150-12Specifications from the official datasheet (2025-10-10 edition)

OUTPUT

DC VOLTAGE
12V
RATED CURRENT
12.5A
RATED POWER
150W
RIPPLE & NOISE (max.)Note.2
150mVp-p
VOLTAGE ADJ. RANGENote.5
10.8 ~ 13.5V
CURRENT ADJ. RANGE
7.5 ~ 12.5A
VOLTAGE TOLERANCENote.3
±2.5%
LINE REGULATION
±0.5%
LOAD REGULATION
±2.0%
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.)
91.5%
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
14 ~ 17V
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-150-12 Block Diagram
Block Diagram
HEP-150-12 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-150-12 for a 12V industrial control or embedded system?

Yes, if the equipment needs constant-voltage 12V DC and the total load is within 12.5A and 150W. That makes it suitable for 12V industrial controls, embedded systems, and automation accessories designed for a 12V bus.

Is the HEP-150-12 a good fit for 12V DC equipment in mobile or vibration-prone environments?

It can be a good fit where 12V constant-voltage output is required, because it provides 12.5A and is rated to withstand 10G vibration. The vibration rating covers 20-500Hz along the X, Y and Z axes.

Can this model support a 12V CCTV, access control, or low-voltage automation load?

It can support 12V DC loads up to 12.5A and 150W, so it fits many centralized 12V equipment applications when the power budget stays inside those numbers. Buyers should match it only to equipment that explicitly requires constant-voltage 12V input.

Is the HEP-150-12 suitable for fully exposed outdoor locations?

Yes, this blank-type version is rated IP68, a higher ingress rating than the IP65 HEP-150-12A; the IP68 test is performed 1000mm under water for 1 month. It is also rated for -55°C to +70°C operation, which supports very cold and very hot environments.

How does the HEP-150-12 compare with other HEP-150 voltages?

Within the HEP-150 group, the listed outputs are 12V at 12.5A and 150W, 15V at 10A and 150W, 24V at 6.3A and 151.2W, 36V at 4.2A and 151.2W, 48V at 3.2A and 153.6W, and 54V at 2.8A and 151.2W. The HEP-150-12 has the lowest output voltage and the highest output current in that subgroup.

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Mean Well HEP-150-12 Power Supply 150W 12V
Mean Well

Mean Well HEP-150-12 Power Supply 150W 12V 12.5A

Log in to see price

HEP-150-12 is the 12V output model of this series: rated current 12.5A, rated power 150W, typical efficiency 91.5%.

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 12V
  • 100W 12V Adjustable
  • 150W 12V
  • 150W 12V Adjustable
  • 185W 12V
  • 185W 12V Adjustable
  • 240W 12V
  • 240W 12V Adjustable
  • 320W 12V
  • 320W 12V Adjustable
  • 600W 12V
  • 600W 12V Adjustable
View product

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