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Mean Well

Mean Well HEP-240-36 Power Supply 241.2W 36V 6.7A

fanless designhigh efficiency up to 96%rugged metal case with IP65 design(IP68 option available)withstand 10G vibrationsuitable for harsh environment
SKU HEP-240-36
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Select model — 14 in this family

HEP-240-36
Available to order
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Overview

HEP-240-36 is the 36V output model of this series: rated current 6.7A, rated power 241.2W, typical efficiency 92.5%.

HEP-240 is a 240W industrial AC/DC power supply featuring the outstanding capability to operate under a harsh environment with high dust density, humidity, vibration and altitude. The entire series is housed with a robust aluminum case and fully potted with heat-conducted silicone. Thanks to state-of-the-art design, the working efficiency is up to 93.5%, enabling HEP-240, with a fanless design, 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 93.5%
  • 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
  • Operating altitude up to 5000 meters (Note.8)
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • 6 years warranty (Note.10)

Specifications

HEP-240-36Specifications from the official datasheet (2025-10-10 edition)

OUTPUT

DC VOLTAGE
36V
RATED CURRENT
6.7A
RATED POWER
241.2W
RIPPLE & NOISE (max.)Note.2
250mVp-p
VOLTAGE ADJ. RANGENote.5
33.5 ~ 38.5V
CURRENT ADJ. RANGE
Can be adjusted by internal potentiometer for A type only
CURRENT ADJ. RANGE
3.3 ~ 6.7A
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIMENote.6
1000ms,80ms/115VAC 500ms,80ms/230VAC at full load
HOLD UP TIME (Typ.)
15ms 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.)
92.5%
AC CURRENT (Typ.) 12V
2A / 115VAC 1.05A / 230VAC 0.9A/277VAC
AC CURRENT (Typ.) 15~54V
2.5A / 115VAC 1.3A / 230VAC 1.1A/277VAC
INRUSH CURRENT(Typ.)
COLD START 75A at 230VAC
LEAKAGE CURRENT
<0.75mA / 277VAC

PROTECTION

OVER CURRENT
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
43 ~ 49V Protection type : Shut down and latch off o/p voltage, re-power on to recover
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.8
UL62368-1, IEC62368-1, IP65 (or IP68 for HEP-240 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
2008.7K hrs min. Telcordia SR-332 (Bellcore) ; 171.3Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
244.2*68*38.8mm (L*W*H)
PACKING
1.3Kg; 12pcs/16.6Kg/0.84CUFT

Certifications & ratings

IP rating
IP65 IP68 (optional)
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. 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.
  7. 7. 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)
  8. 8. The water protection level test for the IP68 rating is performed 1000mm below the surface of the water for 1 month.
  9. 9. Refer to warranty statement.
  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-240-36 Block Diagram
Block Diagram
HEP-240-36 Derating Curve
Derating Curve
HEP-240-36 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-240-36 for 36V industrial equipment or automation systems?

Yes, this unit provides constant-voltage 36V output at up to 6.7A and 241.2W, so it fits 36V equipment designed for that DC level. It is intended for systems that need a fixed 36V supply within that rating.

Is the HEP-240-36 suitable for 36V embedded, motion-related, or control electronics?

It can be used for 36V embedded and control electronics when the total draw stays within 6.7A and 241.2W. The IP68 rating is useful in sealed or maintenance-sensitive industrial enclosures.

Can this power supply be used outdoors or in severe environmental conditions?

The HEP-240-36 is rated IP68, so it is suited to harsh environments with high dust and water exposure requirements. Its operating temperature range of -55°C to +70°C also supports use in locations with demanding ambient conditions.

Would the HEP-240-36 work for 36V field equipment exposed to vibration?

It can be appropriate for 36V field equipment when the system needs constant voltage and does not exceed 241.2W or 6.7A. The 10G vibration rating (20-500Hz along X, Y, Z axes) is relevant for industrial environments where vibration is a concern.

How does the HEP-240-36 compare to the other HEP-240 models?

Across the HEP-240 family, the available outputs are 12V at 192W and 16A, 15V at 225W and 15A, 24V at 240W and 10A, 36V at 241.2W and 6.7A, 48V at 240W and 5A, and 54V at 240.3W and 4.45A, with each voltage also offered in an A-suffix version. This HEP-240-36 is the IP68 36V model, while HEP-240-36A keeps the same 241.2W and 6.7A output in an IP65 version.

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Mean Well HEP-240-36 Power Supply 241.2W 36V
Mean Well

Mean Well HEP-240-36 Power Supply 241.2W 36V 6.7A

Log in to see price

HEP-240-36 is the 36V output model of this series: rated current 6.7A, rated power 241.2W, typical efficiency 92.5%.

HEP-240 is a 240W industrial AC/DC power supply featuring the outstanding capability to operate under a harsh environment with high dust density, humidity, vibration and altitude. The entire series is housed with a robust aluminum case and fully potted with heat-conducted silicone. Thanks to state-of-the-art design, the working efficiency is up to 93.5%, enabling HEP-240, with a fanless design, 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 93.5%
  • 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
  • Operating altitude up to 5000 meters (Note.8)
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • 6 years warranty (Note.10)

Typical applications

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

Model

  • 100W 36V
  • 100W 36V Adjustable
  • 150W 36V
  • 150W 36V Adjustable
  • 185W 36V
  • 185W 36V Adjustable
  • 240W 36V
  • 240W 36V Adjustable
  • 320W 36V
  • 320W 36V Adjustable
  • 480W 36V
  • 480W 36V Adjustable
  • 600W 36V
  • 600W 36V Adjustable
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