Mean Well HEP-320-54A Power Supply | 321.3W 54V

Description

Features

Universal AC input (up to 305VAC) / Full range

Built-in active PFC function

High efficiency up to 95%

Fanless design, cooling by free air convection

-55~+70ºC wide operating range

Aluminum case and filling with heat-conducted glue

IP65 design, optional IP68 rated model available

Meet 6KV surge immunity level

Withstand the 10G vibration test

Operating altitude up to 5000 meters

Protections: Short circuit / Over current / Over voltage / Over temperature

6 years warranty

General Specification

AC input voltage range	85~264VAC (277VAC operational); 120~370VDC(390VDC operational)
AC inrush current (max.)	COLD START 70A at 230VAC
DC adjustment range	-10%~+10% rated output voltage (A-Type only)
Current adjustment range	60%~100%
Over current protection	105%~125% constant current limiting, auto-recovery
Over-voltage protection	105%~135% rated output voltage
Setup, rise, hold up time	2500ms, 80ms, 15ms at full load and 230VAC
Withstand voltage	I/P-O/P: 3.75KVAC, I/P-FG: 2KVAC, O/P-FG: 1.5KVAC
Working temperature	-55~+70ºC (refer to output derating curve)
Safety standards	UL62368-1,IEC62368-1, IP65 (or IP68 for HEP-320 Blank-Type), EAC TP TC 004 approved ; Design refer to BS EN/EN62368-1
EMC standards	EN55022 class B, EN61000-3-2,3, EAC TP TC 020
Connection Input	SJTW 18AWGx3C(30cm)
Connection Output	SJTW 14AWGx2C (30cm)+ SJTW 14AWGx2C (30cm)
Dimension (LxWxH) (mm)	252x 90 x 43.8

Specifications

Brand

Mean Well
Series

HEP Series
Power Rating

321.3 Watt
Output Voltage

54 Volt
Rated Current

5.95 Ampere
Input Voltage

90V~305V
No of Output

1
Standards Met

CB,CE,EAC,UL
Operation Mode

Constant Voltage
Operating Temperature

-55°C~70°C
Warranty

6 Year
Length

9.92 in
Width

3.54 in
Height

1.72 in
Weight

4.14 lb

File Downloads

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Frequently Asked Questions

Can I use the HEP-320-54A for a 54V automation panel or machine subsystem?

Yes, if the subsystem requires constant 54V DC and stays within 321.3W and 5.95A. This makes it suitable for 54V automation, industrial control, or embedded equipment that is specified for that output range.

Is the HEP-320-54A a good fit for 54V industrial electronics that need a fanless supply?

It can be, because this unit provides constant 54V output up to 5.95A and 321.3W in a fanless design. That is relevant for enclosed industrial electronics where a fanless power source is preferred and the load is sized for 54V.

Can this model support 54V embedded controllers or communications equipment?

Yes, for equipment designed to accept constant 54V input. The key sizing limits are 321.3W total output power and 5.95A maximum output current.

Is the HEP-320-54A meant for indoor or outdoor use?

This version is rated IP65 Water-Resistant, so it is intended for tougher environments than a non-sealed supply but is not the IP68 version. Its operating temperature range is -55°C to +70°C, which supports use across very wide ambient conditions when the installation environment matches the IP65 rating.

What is the difference between the HEP-320-54A and other 54V HEP series power supplies?

The 54V siblings listed are HEP-100-54 at 95.58W and 1.77A, HEP-150-54 at 151.2W and 2.8A, HEP-185-54 at 186.3W and 3.45A, HEP-240-54 at 240.3W and 4.45A, HEP-320-54 at 321.3W and 5.95A, HEP-480-54 at 480.6W and 8.9A, and HEP-600-54 at 604.8W and 11.2A. The HEP-320-54A matches the 321.3W, 54V, 5.95A point in that lineup.

Model	Power	Voltage	Current	IP Rating	Price
Mean Well HEP-320-15A Power Supply 285W 15V	285W	15V	19A	IP65	$147.99	View
Mean Well HEP-320-54 Power Supply 321.3W 54V	321.3W	54V	5.95A	IP68	$147.94	View
Mean Well HEP-320-48A Power Supply 321.6W 48V	321.6W	48V	6.7A	IP65	$147.95	View
Mean Well HEP-320-48 Power Supply 321.6W 48V	321.6W	48V	6.7A	IP68	$152.08	View
Mean Well HEP-320-36A Power Supply 320.4W 36V	320.4W	36V	8.9A	IP65	$147.95	View
Mean Well HEP-320-36 Power Supply 320.4W 36V	320.4W	36V	8.9A	IP68	$152.08	View
Mean Well HEP-320-24A Power Supply 320.16W 24V	320.16W	24V	13.34A	IP65	$147.95	View
Mean Well HEP-320-24 Power Supply 320.16W 24V	320.16W	24V	13.34A	IP68	$152.08	View
Mean Well HEP-320-15 Power Supply 285W 15V	285W	15V	19A	IP68	$152.08	View
Mean Well HEP-320-12A Power Supply 264W 12V	264W	12V	22A	IP65	$147.95	View
Mean Well HEP-320-12 Power Supply 264W 12V	264W	12V	22A	IP68	$152.08	View

Mean Well HEP-320-54A Power Supply 321.3W 54V