Mean Well HLG-240H-42 Power Supply 240W 42V | HLG Series LED Driver

Overview

HLG-240H-42 is the 42V output model of this series: rated current 5.72A, rated power 240.24W, typical efficiency 92.5%. Type Blank: Io and Vo fixed (IP67).

HLG-240H series is a 240W AC/DC LED driver featuring the dual mode constant voltage and constant current output. HLG-240H operates from 90～305VAC and offers models with different rated voltage ranging between 12V and 54V. Thanks to the high efficiency up to 93.5%, 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 ingress protection level allows this series to fit both indoor and outdoor applications. HLG-240H 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
IP67 rating for indoor or outdoor installations
Typical lifetime > 62000 hours
7 years warranty

Specifications

HLG-240H-42Specifications from the official datasheet (2026-02-04 edition)

OUTPUT

DC VOLTAGE: 42V
CONSTANT CURRENT REGION^Note.4: 21 ~ 42V
RATED CURRENT: 5.72A
RATED POWER: 240.24W
RIPPLE & NOISE (max.)^Note.2: 250mVp-p
VOLTAGE TOLERANCE^Note.3: ±1.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±0.5%
SETUP, RISE TIME^Note.6: 1000ms,80ms/115VAC 500ms,80ms/230VAC
HOLD UP TIME (Typ.): 15ms / 115VAC, 230VAC

INPUT

VOLTAGE RANGE^Note.5: 90 ~ 305VAC 127 ~ 431VDC (Please refer to "STATIC CHARACTERISTIC" section)
FREQUENCY RANGE: 47 ~ 63Hz
POWER FACTOR (Typ.): PF≧0.98/115VAC, PF≧0.95/230VAC @ full load (Please refer to "POWER FACTOR (PF) CHARACTERISTIC" section)
TOTAL HARMONIC DISTORTION: THD< 20% (@ load≧50% / 115VAC,230VAC; @ load≧75% / 277VAC) (Please refer to " TOTAL HARMONIC DISTORTION (THD) " section)
EFFICIENCY (Typ.): 92.5%
AC CURRENT (Typ.): 4A / 115VAC 2A / 230VAC 1.2A / 277VAC
INRUSH CURRENT (Typ.): COLD START 75A(twidth=570μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
MAX. No. of PSUs on 16A CIRCUIT BREAKER: 2 units (circuit breaker of type B) / 4 units (circuit breaker of type C) at 230VAC
LEAKAGE CURRENT: <0.75mA / 277VAC

PROTECTION

OVER CURRENT: 95 ~ 108% Constant current limiting, recovers automatically after fault condition is removed
SHORT CIRCUIT: Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: 48 ~ 54V
OVER TEMPERATURE: Shut down o/p voltage, recovers automatically after temperature goes down

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
TEMP. COEFFICIENT: ±0.03%/℃ (0 ~ 50℃)
VIBRATION: 10 ~ 500Hz, 5G 12min./1cycle, period for 72min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS: UL1012, CAN/CSA-C22.2 No. 107.1-01, UL8750(type”HL”), CSA C22.2 No. 250.0-08; BS EN/EN/AS/NZS 61347-1, BS EN/EN/AS/NZS 61347-2-13 independent (except for HLG-240H C type); IEC/UL/BS EN/EN 62368-1(except for AB,D type), UL8750;GB/T19510.1,GB/T19510. 213(except for C-type); IP65 or IP67;J61347-1,J61347-2-13 (except for C,D-type) , BIS IS15885( for 48V only), EAC TP TC 004,KC61347-1,KC61347-2-13 (except for AB,C,D-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/EN55032 (CISPR32) Class B, 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,C,D-type)
EMC IMMUNITY: Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61547, BS EN/EN55024, light industry level (surge immunity Line-Earth 4KV, Line-Line 2KV) EAC TP TC 020;KC KN15,KN61547(except for AB,C,D-type)

OTHERS

MTBF: 2015.1K hrs min. Telcordia SR-332 (Bellcore) ; 176.4K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 244.2*68*38.8mm (L*W*H)(HLG-240H-Blank)
PACKING: 1.3Kg; 12pcs/16.6Kg/0.84CUFT(HLG-240-Blank/A/B) 1.23Kg; 12pcs/15.8Kg/1.16CUFT(HLG-240 C-Type)

MODEL ENCODING

Blank (this model): Io and Vo fixed; IP67
A: Io and Vo adjustable through built-in potentiometer; IP65
B: 3 in 1 dimming function (1~10VDC, 10V PWM signal and resistance); IP67
AB: Io and Vo adjustable through built-in potentiometer & 3 in 1 dimming function (1~10Vdc, 10V PWM signal and resistance); IP65
C: Terminal block for I/O connection. Output voltage and constant current level can be adjusted through internal potentiometer
D: Timer dimming function, contact MEAN WELL for details(safety pending); IP67

Test conditions and notes13

1. All parameters NOT specially mentioned are measured at 230VAC input, rated current and 25℃ of ambient temperature.
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. Tolerance : includes set up tolerance, line regulation and load regulation.
4. Please refer to "DRIVING METHODS OF LED MODULE".
5. De-rating may be needed under low input voltages. Please refer to “STATIC CHARACTERISTIC” sections for details.
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. 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. 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. 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. Please refer to the warranty statement on MEAN WELL's website at http://www.meanwell.com.
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. 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
14. Products sourced from the Americas regions may only have the UL, CE and UKCA logos. Please contact your MEAN WELL sales for more information.

Technical drawings

HLG-240H-42 BLOCK DIAGRAM — BLOCK DIAGRAM

HLG-240H-42 Illustration (page 5) — Illustration (page 5)

HLG-240H-42 STATIC CHARACTERISTICS — STATIC CHARACTERISTICS

HLG-240H-42 TOTAL HARMONIC DISTORTION — TOTAL HARMONIC DISTORTION

HLG-240H-42 MECHANICAL SPECIFICATION ※Blank/D-Type — MECHANICAL SPECIFICATION ※Blank/D-Type

HLG-240H-42 Dimensions (mm) — Dimensions (mm)

HLG-240H-42 WATERPROOF CONNECTION — WATERPROOF CONNECTION

Typical applications

LED street lighting
LED high-bay lighting
Parking space lighting
LED fishing lamp
LED greenhouse lighting
Type “HL” for use in ClassⅠ, Division 2 hazardous (Classified) location.

Downloads

Datasheet1

HLG-240H-42 datasheetHLG-240H-SPEC.PDF · 2026-02-04 edition PDF Download

Certificates3

CB Certificate (HLG-100-185H)(EN) PDF Download

TUV Certificate (HLG-240H)(EN) PDF Download

EMC Certificate(HLG-240H)(EN) PDF Download

Catalogues1

Mean Well LED Driver Catalog PDF Download

FAQ

Can I use the HLG-240H-42 to power 42V LED grow light panels?

Yes. The HLG-240H-42 provides 240W at 42V and 5.72A in constant-current mode, which suits many 42V LED grow light boards and quantum board arrays. The CC voltage range of 21-42V ensures stable current delivery as LED forward voltage shifts with temperature during operation.

Is the HLG-240H-42 suitable for outdoor 42V LED flood lighting?

Yes. With an IP67 waterproof rating and -40°C to +90°C case temperature range, it handles fully exposed outdoor installations. At 240W and 42V, it can power LED flood or area lights used on building exteriors, parking structures, or sports courts.

Can the HLG-240H-42 drive 42V LED modules in outdoor commercial signage?

Yes. The 240W capacity at 42V with 5.72A output can power substantial arrays of 42V LED modules for channel letters, cabinet signs, or pylons. The IP67 waterproof rating ensures reliable operation in rain-exposed sign enclosures year-round.

Is the HLG-240H-42 a fixed-output driver with no dimming?

Yes. The base HLG-240H-42 (no letter suffix) has a fixed 42V output with no built-in potentiometer adjustment or dimming input. If you need output trimming, choose the -42A. For dimming via 1-10V/PWM, choose the -42B or -42AB variant.

How many meters of 42V LED strip can the HLG-240H-42 power?

Divide 240W by your strip's power consumption per meter. For example, a 42V strip rated at 16W/m would allow 15 meters (240W / 16W per meter = 15m). Always check your specific strip's rated power per meter and keep the total load at or below 240W.

Can the HLG-240H-42 be installed in a wet or rain-exposed location?

Yes. The IP67 rating means it is dust-tight and protected against temporary submersion. It can be mounted outdoors in fully exposed conditions, including rain, snow, and high humidity (20-95% RH non-condensing). The fanless metal housing cools by free air convection.

Payment & Security

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Model	Power	Voltage	Current	IP Rating
Mean Well S-HLG-240H-24 Power Supply 240W 24V with AU/NZ plug 10A	240W	24V	10A	IP67	View
Mean Well HLG-240H-48A Power Supply 240W 48V - Adjustable 5A	240W	48V	5A	IP65	View
Mean Well HLG-240H-48 Power Supply 240W 48V 5A	240W	48V	5A	IP67	View
Mean Well HLG-240H-24A Power Supply 240W 24V - Adjustable 10A	240W	24V	10A	IP65	View
Mean Well HLG-240H-24B Power Supply 240W 24V- Dimmable 10A	240W	24V	10A	IP67	View
Mean Well HLG-240H-12A Power Supply 192W 12V - Adjustable 16A	192W	12V	16A	IP65	View

Customer reviews

4.9 Reviews verified for authenticity

5 ★ (19)

4 ★ (2)

3 ★ (0)

2 ★ (0)

1 ★ (0)

Reviewed by 21 customers across the HLG series

Best outdoor driver we use
By Hemi K.|2026-06-22✓ Verified Buyer
Model: HLG-240H-24Quantity: 6
HLG-240H-24 is IP67 and just keeps going. Powering a car-park flood install, 8 months no issues.
Premium, worth it
By Bright Spark|2026-06-01✓ Verified Buyer
Model: HLG-185H-24Quantity: 4
Built-in PFC, runs cool, DALI option on the B model. Our go-to.
Flawless
By Olivia D.|2026-05-09✓ Verified Buyer
Model: HLG-320H-48Quantity: 2
Drove a 48V architectural run for months, dead silent.

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Mean Well HLG-240H-42 Power Supply 240W 42V 5.72A

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Overview

Features

Specifications

OUTPUT

INPUT

PROTECTION

ENVIRONMENT

SAFETY & EMC

OTHERS

MODEL ENCODING

Technical drawings

Typical applications

Downloads

Datasheet1

Certificates3

Catalogues1

FAQ

Payment & Security

Other HLG-240H Models

Customer reviews

Best outdoor driver we use

Premium, worth it

Flawless

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Mean Well HLG-240H-42 Power Supply 240W 42V 5.72A

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