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Mean Well

Mean Well HEP-480-36 Power Supply 320.4W 36V 13.3A

fanless designhigh efficiency up to 96%rugged metal case with IP65 design(IP68 option available)withstand 10G vibrationsuitable for harsh environment
SKU HEP-480-36
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Select model — 14 in this family

HEP-480-36
Available to order
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Overview

HEP-480-36 is the 36V output model of this series: rated current 13.3A, rated power 478.8W, typical efficiency 95%.

HEP-480 is a 480W 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 95%, enabling HEP-480 perfectly work between -55℃ and +65℃ under free air convection.

Features

  • Universal AC input / Full range
  • Built-in active PFC function
  • High efficiency up to 95%
  • Fanless design, cooling by free air convection
  • -55~+65℃ 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.7)
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • 6 years warranty

Specifications

HEP-480-36Specifications from the official datasheet (2025-10-10 edition)

OUTPUT

DC VOLTAGE
36V
RATED CURRENT
13.3A
RATED POWER
478.8W
RIPPLE & NOISE (max.)Note.2
250mVp-p
VOLTAGE ADJ. RANGENote.5
30.6 ~ 37.8V
CURRENT ADJ. RANGE
6.6 ~ 13.3A
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIMENote.4
500ms, 80ms 115VAC/230VAC
HOLD UP TIME (Typ.)
16ms 115VAC/230VAC

INPUT

VOLTAGE RANGENote.5
90~264VAC (277VAC operational) 128~370VDC(390VDC operational)
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF≧0.98/115VAC, PF≧0.97/230VAC, PF≧0.95/277VAC at full load
EFFICIENCY (Typ.)
95%
AC CURRENT (Typ.)
5A / 115VAC 2.45A / 230VAC 2A/277VAC
INRUSH CURRENT(Typ.)
COLD START 35A at 230VAC
LEAKAGE CURRENT
<0.75mA / 277VAC

PROTECTION

OVER CURRENT
105 ~ 125% Constant current limiting, recovers automatically after fault condition is removed
SHORT CIRCUIT
Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
40 ~ 50V Shut down output voltage, re-power on to recover
OVER TEMPERATURE
Shut down output voltage, re-power on to recover

ENVIRONMENT

WORKING TEMP.
-55 ~ +65℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY
-60 ~ +80℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
±0.02%/℃ (0 ~ 60℃)
VIBRATION
20 ~ 500Hz, 10G 12min./1cycle, period for 72min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDSNote.7
UL62368-1,IEC62368-1, IP65 (or IP68 for HEP-480 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
1036.8K hrs min. Telcordia SR-332 (Bellcore) ; 89.8Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
262*125*43.8mm (L*W*H)
PACKING
2.8Kg;4pcs/11.5Kg/0.55CUFT
Test conditions and notes9
  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. Length of set up time is measured at cold first start. Turning ON/OFF the power supply may lead to increase of the setup time.
  5. 5. Derating may be needed under low input voltages. Please refer to the “STATIC CHARACTERISTICS” for more details.
  6. 6. The power supply shall be regarded as one component of the final system. The EMC performance will be affected by the complete system installation and/or configuration, the final system manufacturers must re-verify overall EMC directive with the complete installation and/or configuration. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
  7. 7. The water protection level test for the IP68 rating is performed 1000mm below the surface of the water for 1 month.
  8. 8. Please refer to the warranty statement on MEAN WELL's website at http://www.meanwell.com
  9. 9. 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-480-36 Block Diagram
Block Diagram
HEP-480-36 Derating Curve
Derating Curve
HEP-480-36 Mechanical Specification
Mechanical Specification
HEP-480-36 ※Blank-Type (optional model)
※Blank-Type (optional model)
HEP-480-36 For Others
For Others

Typical applications

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

Downloads

FAQ

Can I use the HEP-480-36 for a 36V industrial automation or control system?

Yes, if the equipment requires constant 36V DC and the total load stays within 478.8W and 13.3A. It is intended for 36V industrial, automation, or embedded applications that need a fixed-voltage supply.

Is the HEP-480-36 appropriate for a 36V DC bus in embedded equipment?

It can be used for a 36V DC bus where the connected load is designed for constant-voltage operation at 36V. The available output is 13.3A with 478.8W total power capacity.

Can this model power 36V monitoring, control, or communications hardware in harsh environments?

Yes, for 36V loads that remain within 478.8W and 13.3A. The IP68 rating, 10G vibration specification, and operating range of -55°C to +65°C (with load derating at higher temperatures) support use in demanding industrial environments.

Is the HEP-480-36 suitable for outdoor or washdown-style locations?

This version is rated IP68, which makes it the more sealed option compared with the IP65 variant. Its operating temperature range is -55°C to +65°C, with load derating at higher temperatures, so it is designed for very wide environmental conditions when the rest of the system is matched to that level of protection.

How does the HEP-480-36 compare with other 36V HEP power supplies?

On the HEP-480 sheet, the 36V counterpart is the HEP-480-36A, also rated 478.8W and 13.3A. The HEP-480-36A is the A-type with built-in potentiometers for 30.6-37.8V voltage and 6.6-13.3A current adjustment and an IP65 rating, while the HEP-480-36 is the Blank-Type with an IP68 rating and no adjustment.

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Mean Well HEP-480-36 Power Supply 320.4W 36V
Mean Well

Mean Well HEP-480-36 Power Supply 320.4W 36V 13.3A

Log in to see price

HEP-480-36 is the 36V output model of this series: rated current 13.3A, rated power 478.8W, typical efficiency 95%.

HEP-480 is a 480W 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 95%, enabling HEP-480 perfectly work between -55℃ and +65℃ under free air convection.

Features

  • Universal AC input / Full range
  • Built-in active PFC function
  • High efficiency up to 95%
  • Fanless design, cooling by free air convection
  • -55~+65℃ 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.7)
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • 6 years warranty

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
View product

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