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Mean Well HLG-480H-24B Power Supply 480W 24V- Dimmable 20A

$153.39 USD
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Overview

HLG-480H-24B is the 24V output model of this series: rated current 20A, rated power 480W, typical efficiency 94%.

HLG-480H series is a 480W AC/DC LED driver featuring the dual mode constant voltage and constant current output. HLG-480H operates from 90~305VAC and offers models with different rated voltage ranging between 24V and 54V. Thanks to the high efficiency up to 95.5%, with the fanless design, the entire series is able to operate for -40℃ ~ +90℃ case temperature under free air convection. The design of metal housing and IP67/IP65 ingress protection level allows this series to fit both indoor and outdoor applications.HLG-480H is equipped with various function options, such as dimming methodologies, so as to provide the optimal design flexibility for LED lighting system.

Features

  • Constant Voltage + Constant Current mode output
  • Metal housing with class I design
  • Built-in active PFC function
  • IP67 / IP65 design for indoor or outdoor installations
  • Function options: output adjustable via potentiometer; 3 in 1 dimming (dim-to-off, isolated design) ; smart timer dimming; junction box
  • Typical lifettime > 62000 hours
  • 7 years warranty (Note.9)

Specifications

HLG-480H-24BSpecifications from the official datasheet (2026-02-04 edition)

OUTPUT

DC VOLTAGE
24V
CONSTANT CURRENT REGIONNote.4
12 ~ 24V
RATED CURRENT
20A
RATED POWER
480W
RIPPLE & NOISE (max.)Note.2
200mVp-p
VOLTAGE ADJ. RANGE
Adjustable for A/AB-Type only (via built-in potentiometer) 20.4 ~ 25.2V
CURRENT ADJ. RANGE
Adjustable for A/AB-Type only (via built-in potentiometer) 10 ~ 20A
VOLTAGE TOLERANCENote.3
±1.0%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIMENote.6
500ms, 80ms 115VAC/230VAC
HOLD UP TIME (Typ.)
16ms 115VAC/230VAC

INPUT

VOLTAGE RANGENote.5
90 ~ 305VAC 127 ~ 431VDC (Please refer to "STATIC CHARACTERISTIC" section)
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF≧0.98/115VAC, PF≧0.97/230VAC, PF≧0.95/277VAC @ full load (Please refer to "POWER FACTOR (PF) CHARACTERISTIC" section)
TOTAL HARMONIC DISTORTION
THD< 20% (@ load≧40% / 115VAC,230VAC,277VAC) (Please refer to "TOTAL HARMONIC DISTORTION (THD)" section)
EFFICIENCY (Typ.) 230VAC
94%
EFFICIENCY (Typ.) 277VAC
94.5%
AC CURRENT (Typ.)
5A / 115VAC 2.45A / 230VAC 2A / 277VAC
INRUSH CURRENT(Typ.)
COLD START 35A(twidth=1800μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
LEAKAGE CURRENT
<0.75mA / 277VAC
MAX. NO. of PSUs on 16A CIRCUIT BREAKER
2unit(circuit breaker of type B) / 3units(circuit breaker of type C) at 230VAC

PROTECTION

OVER CURRENT
95 ~ 108% Constant current limiting, recovers automatically after fault condition is removed
SHORT CIRCUIT
Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
27 ~ 33V Shut down output voltage, re-power on to recovery
OVER TEMPERATURE
Shut down output voltage, re-power on to recovery

ENVIRONMENT

WORKING TEMP.
Tcase= -40 ~ +90℃ (Please refer to "OUTPUT LOAD vs TEMPERATURE" section)
MAX. CASE TEMP.
Tcase= +90℃
WORKING HUMIDITY
20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +80℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT
±0.02%/℃ (0 ~ 60℃)
VIBRATION
10 ~ 500Hz, 5G 12min./1cycle, period for 72min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
UL8750(type"HL"), CSA C22.2 No. 250.13-12; ENEC BS EN/EN61347-1, BS EN/EN61347-2-13 independent, BS EN/EN62384; GB/T19510.1,GB/T19510.213;IP65 or IP67, EAC TP TC 004,AS/NZS IEC 61347.2.13:2013,AS/NZS 61347.1:2016;KC61347-1, KC61347-2-13(except for AB,Dx type), J61347-1(H29), J61347-2-13(H29)(except for Dx type)approved
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/EN55015, BS EN/EN61000-3-2 Class C (@ load≧50%) ; BS EN/EN61000-3-3;GB/T 17743, GB17625.1, EAC TP TC 020;KC KN15,KN61547(except for AB,Dx type),J55015(H29)(for Blank/A-type)
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61547, light industry level (surge immunity Line-Earth 4KV, Line-Line 2KV), EAC TP TC 020 ;KC KN15,KN61547( except for AB,Dx type ),J55015(H29)(for Blank/A-type)

OTHERS

MTBF
1185.9K hrs min. Telcordia SR-332(Bellcore) ; 95.4K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
262*125*43.8mm (L*W*H)
PACKING
2.8Kg;4pcs/12.2Kg/0.55CUFT
Test conditions and notes13
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated current 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. Please refer to "DRIVING METHODS OF LED MODULE".
  5. 5. De-rating may be needed under low input voltages. Please refer to “STATIC CHARACTERISTIC” sections for details.
  6. 6. Length of set up time is measured at first cold start. Turning ON/OFF the driver may lead to increase of the set up time.
  7. 7. The driver 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. To fulfill requirements of the latest ErP regulation for lighting fixtures, this LED driver can only be used behind a switch without permanently connected to the mains.
  9. 9. This series meets the typical life expectancy of >62,000 hours of operation when Tcase, particularly tc point (or TMP, per DLC), is about 75℃ or less.
  10. 10. Please refer to the warranty statement on MEAN WELL's website at http://www.meanwell.com
  11. 11. 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).
  12. 12. For any application note and IP water proof function installation caution, please refer our user manual before using. https://www.meanwell.com/Upload/PDF/LED_EN.pdf
  13. 13. For A/AB type need to consider build in using to comply with Type HL application.

Technical drawings

HLG-480H-24B BLOCK DIAGRAM
BLOCK DIAGRAM
HLG-480H-24B DIMMING OPERATION
DIMMING OPERATION
HLG-480H-24B Outputcurrent(%)
Outputcurrent(%)
HLG-480H-24B ◎ Applying additive resistance
◎ Applying additive resistance
HLG-480H-24B ※ Smart timer dimming function (for Dxx-Type by User…
※ Smart timer dimming function (for Dxx-Type by User…
HLG-480H-24B Ex: ◎ D02-Type: the profile recommended for street lighting
Ex: ◎ D02-Type: the profile recommended for street lighting
HLG-480H-24B Ex: ◎ D03-Type: the profile recommended for tunnel lighting
Ex: ◎ D03-Type: the profile recommended for tunnel lighting
HLG-480H-24B OUTPUT LOAD vs TEMPERATURE(Note.10)
OUTPUT LOAD vs TEMPERATURE(Note.10)
HLG-480H-24B STATIC CHARACTERISTICS
STATIC CHARACTERISTICS
HLG-480H-24B TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
HLG-480H-24B LIFETIME(Kh)
LIFETIME(Kh)
HLG-480H-24B MECHANICAL SPECIFICATION
MECHANICAL SPECIFICATION
HLG-480H-24B ※A-Type
※A-Type
HLG-480H-24B For 48V,54V
For 48V,54V
HLG-480H-24B ※B-Type
※B-Type
HLG-480H-24B For 48V,54V
For 48V,54V

Typical applications

  • LED Harboure
  • LED greenhouse lighting
  • LED statium lighting
  • LED mining lighting
  • Type "HL" for use in ClassⅠ,Division 2 hazardous(Classified) location

Downloads

FAQ

Can I use the HLG-480H-24B for large-scale outdoor 24V LED strip lighting with dimming?

Yes. The HLG-480H-24B provides 480W at 24V (20A) with a 3-in-1 dimming input (0-10VDC, 10V PWM or resistance) for brightness control. Its IP67 waterproof rating allows direct outdoor mounting even in locations exposed to rain, snow, or temporary water pooling, making it well-suited for building perimeter strips, parking structure lighting, or garden installations.

Is the HLG-480H-24B a good choice for powering 24V LED modules in a large outdoor sign?

Yes. With 480W of output at 24V and IP67 waterproofing, it can reliably drive high-wattage LED sign modules in fully exposed outdoor locations. The constant-current operating range of 12-24V accommodates module strings with varying forward voltage drops. The dimming input lets you reduce brightness for nighttime operation.

Can the HLG-480H-24B power 24V LED lighting in a commercial cold storage facility?

Yes. Its case temperature (Tcase) rating down to -40°C covers cold-storage and freezer environments. The IP67 waterproof rating protects against moisture and dust; note the working humidity is specified as 20-95% RH non-condensing. At 480W it can supply substantial 24V LED fixture loads commonly used in walk-in coolers and refrigerated display areas.

How many meters of 24V LED strip can the HLG-480H-24B drive?

Divide 480W by your strip's rated wattage per meter. For instance, a strip rated at 10W/m could run up to 48 meters (480W / 10W per meter = 48m). A denser strip at 19.2W/m would allow 25 meters. Always verify your strip's rated power per meter and keep total consumption at or below 480W.

Can the HLG-480H-24B be installed in a below-grade vault or wet junction box?

Yes, with care. IP67 means the enclosure can withstand temporary immersion in water up to 1 meter deep for 30 minutes, but it is not intended for permanent submersion, so avoid locations where it would sit in standing water. Its -40°C to +90°C case temperature (Tcase) range also covers extreme temperature environments, with derating at high ambient.

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Mean Well HLG-480H-24B Power Supply 480W 24V- Dimmable 20A
Mean Well

Mean Well HLG-480H-24B Power Supply 480W 24V- Dimmable 20A

$153.39 USD

HLG-480H-24B is the 24V output model of this series: rated current 20A, rated power 480W, typical efficiency 94%.

HLG-480H series is a 480W AC/DC LED driver featuring the dual mode constant voltage and constant current output. HLG-480H operates from 90~305VAC and offers models with different rated voltage ranging between 24V and 54V. Thanks to the high efficiency up to 95.5%, with the fanless design, the entire series is able to operate for -40℃ ~ +90℃ case temperature under free air convection. The design of metal housing and IP67/IP65 ingress protection level allows this series to fit both indoor and outdoor applications.HLG-480H is equipped with various function options, such as dimming methodologies, so as to provide the optimal design flexibility for LED lighting system.

Features

  • Constant Voltage + Constant Current mode output
  • Metal housing with class I design
  • Built-in active PFC function
  • IP67 / IP65 design for indoor or outdoor installations
  • Function options: output adjustable via potentiometer; 3 in 1 dimming (dim-to-off, isolated design) ; smart timer dimming; junction box
  • Typical lifettime > 62000 hours
  • 7 years warranty (Note.9)

Typical applications

  • LED Harboure
  • LED greenhouse lighting
  • LED statium lighting
  • LED mining lighting
  • Type "HL" for use in ClassⅠ,Division 2 hazardous(Classified) location

Model

  • 185W 24V
  • 185W 24V Adjustable
  • 185W 24V Adjustable and Dimmable
  • 185W 24V Dimmable
  • 240W 24V
  • 240W 24V Adjustable
  • 240W 24V Adjustable and Dimmable
  • 240W 24V Dimmable
  • 320W 24V
  • 320W 24V Adjustable
  • 320W 24V Adjustable and Dimmable
  • 320W 24V Dimmable
  • 480W 24V
  • 480W 24V Adjustable
  • 480W 24V Adjustable and Dimmable
  • 480W 24V Dimmable
  • 600W 24V
  • 600W 24V Adjustable
  • 600W 24V Adjustable and Dimmable
  • 600W 24V Dimmable
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