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Mean Well ELG-150-42A Power Supply 150W 42V - Adjustable 3.57A

$44.92 USD
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Overview

ELG-150-42A is the 42V output model of this series: rated current 3.57A, typical efficiency 90%.

ELG-150 series is a 150W AC/DC LED driver featuring the dual mode constant voltage and constant current output. ELG-150 operates from 100~305VAC and offers models with different rated voltage ranging between 12V and 54V. Thanks to the high efficiency up to 91%, 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. ELG-150 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 design with functional Ground
  • Built-in active PFC function
  • No load / Standby power consumption <0.5W
  • IP67 / IP65 rating for indoor or outdoor installations
  • Function options: output adjustable via potentiometer; 3 in 1 dimming (dim-to-off) ; Smart timer dimming; DALI
  • Typical lifet ime>50000 hours
  • 5 years warranty

Specifications

ELG-150-42ASpecifications from the official datasheet (2026-07-06 edition)

OUTPUT

DC VOLTAGE
42V
CONSTANT CURRENT REGIONNote.2
21 ~ 42V
RATED CURRENT
3.57A
RATED POWER 100VAC ~ 180VAC
105W
RATED POWER 200VAC ~ 305VAC
150W
RIPPLE & NOISE (max.)Note.3
250mVp-p
VOLTAGE ADJ. RANGE
Adjustable for A/AB-Type only (via the built-in potentiometer) 37.8 ~ 46.2V
CURRENT ADJ. RANGE
Adjustable for A/AB-Type only (via the built-in potentiometer) 1.8 ~ 3.57A
VOLTAGE TOLERANCENote.4
±2.5%
LINE REGULATION
±0.5%
LOAD REGULATION
±0.5%
SETUP, RISE TIMENote.6
1600ms, 80ms/115VAC 500ms, 100ms/230VAC
HOLD UP TIME (Typ.)
10ms/115VAC, 230VAC

INPUT

VOLTAGE RANGENote.5
100 ~ 305VAC 142 ~ 431VDC (Please refer to "STATIC CHARACTERISTIC" section)
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR
PF≧0.97/115VAC, PF≧0.95/230VAC, PF≧0.92/277VAC@full load (Please refer to "POWER FACTOR (PF) CHARACTERISTIC" section)
TOTAL HARMONIC DISTORTION
THD< 20%(@load≧50%/115VC; @load≧60%/230VAC; @load≧75%/277VAC) (Please refer to “TOTAL HARMONIC DISTORTION(THD)” section)
EFFICIENCY (Typ.)
90%
AC CURRENT
1.7A / 115VAC 0.9A / 230VAC 0.7A/277VAC
INRUSH CURRENT(Typ.)
COLD START 65A(twidth=550μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
MAX. No. of PSUs on 16A CIRCUIT BREAKER
3 units (circuit breaker of type B) / 6 units (circuit breaker of type C) at 230VAC
LEAKAGE CURRENT
<0.75mA / 277VAC
NO LOAD / STANDBY POWER CONSUMPTION
No load power consumption <0.5W for Blank / A -Type Standby power consumption <0.5W for B / AB / DA-Type

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
47 ~ 54V Shut down output voltage, re-power on to recover
OVER TEMPERATURE
Shut down output voltage, re-power on to recover

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 ~ 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;IEC/BS EN/EN/AS/NZS 61347-1,IEC/BS EN/EN/AS/NZS 61347-2-13 independent,BS EN/EN62384,BIS IS15885(for 12/12A/12B/12DA/24/24A/24B/24DA/36A/36B/42/42A/42B/48A/48B/54/54A/54B only), EAC TP TC 004,GB/T19510.1,GB/T19510.213; IP65 or IP67; KC61347-1,KC61347-2-13 approved
DALI STANDARDS
Compliance to IEC62386-101,102,(207 by request) for DA Type only
WITHSTAND VOLTAGE
I/P-O/P:3.75KVAC I/P-FG:2.0KVAC 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≧60%) ; BS EN/EN61000-3-3; GB/T 17743,GB17625.1, EAC TP TC 020; KC KN15,KN61547
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 6KV, Line-Line 4KV),EAC TP TC 020; KC KN15,KN61547

OTHERS

MTBF
2661.6K hrs min. Telcordia SR-332 (Bellcore) ;313.7K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
219*63*35.5mm (L*W*H)
PACKING
0.95Kg ; 16pcs/16.0kg/0.77CUFT

Certifications & ratings

Type
Type HL
Test conditions and notes14
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated current and 25℃ of ambient temperature.
  2. 2. Please refer to "DRIVING METHODS OF LED MODULE". For DA-Type, Constant Current region is 60%~100% of maximum voltage under rated power delivery.
  3. 3. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
  4. 4. Tolerance : includes set up tolerance, line regulation and load regulation.
  5. 5. De-rating may be needed under low input voltages. Please refer to “STATIC CHARACTERISTICS” 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. This series meets the typical life expectancy of >50,000 hours of operation when Tcase, particularly tc point (or TMP, per DLC), is about 80℃ or less.
  9. 9. Please refer to the warranty statement on MEAN WELL's website at http://www.meanwell.com.
  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).
  11. 11. 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
  12. 12. To fulfill requirements of the latest ErP regulation for lighting fixtures, this LED power supply can only be used behind a switch without permanently connected to the mains.
  13. 13. ELG-150-12(except blank/A-Type) is used for any light source that exempt from the ErP-Directive (EU) 2019/2020 requirement, for example this model could be use for signalling products(including, but not limited to road-, railway-, marineorair traffic-signalling , traffic control or airfield lamps) .
  14. 14. For A/AB type need to consider build in using to comply with Type HL application.

Technical drawings

ELG-150-42A Block Diagram
Block Diagram
ELG-150-42A DIMMING OPERATION
DIMMING OPERATION
ELG-150-42A OUTPUT LOAD vs TEMPERATURE(Note.9)
OUTPUT LOAD vs TEMPERATURE(Note.9)
ELG-150-42A STATIC CHARACTERISTIC
STATIC CHARACTERISTIC
ELG-150-42A TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
ELG-150-42A LIFE TIME
LIFE TIME
ELG-150-42A Mechanical Specification
Mechanical Specification
ELG-150-42A ※ AB-Type
※ AB-Type
ELG-150-42A ※ B/DA-Type
※ B/DA-Type
ELG-150-42A ※ 3Y Model (3-wire input)
※ 3Y Model (3-wire input)
ELG-150-42A Recommend Mounting Direction
Recommend Mounting Direction

Typical applications

  • LED street lighting
  • LED architectural lighting
  • LED bay lighting
  • LED floodlighting
  • Type “HL” for use in Class I, Division 2 hazardous (Classified) location.

Downloads

FAQ

What control interface does the ELG-150-42A support for dimming?

The 'A' suffix on the ELG-150 series indicates a built-in potentiometer, not a dimming input: the ELG-150-42A lets you set the output voltage (37.8–46.2V) and current (1.8–3.57A) by hand. It has no external dimming leads; for 0–10V, 10V PWM, or resistance dimming choose the ELG-150-42B or 42AB, and for DALI the 42DA.

Can I use the ELG-150-42A with a 0–10V wall dimmer for 42V LED strip lighting in a retail space?

No. The ELG-150-42A has no 0–10V dimming input; its potentiometer only sets a fixed output level during installation. For brightness control of 42V LED strip displays or accent lighting from a 0–10V wall dimmer, use the ELG-150-42B or ELG-150-42AB.

Is the ELG-150-42A suitable for semi-exposed outdoor LED strip installations?

The ELG-150-42A is rated IP65, meaning it is dust-tight and protected against low-pressure water spray from any direction. This makes it appropriate for semi-sheltered outdoor installations such as covered walkways, canopy soffits, or outdoor-rated enclosures where direct rain exposure is avoided.

How much 42V LED strip can the ELG-150-42A power?

The ELG-150-42A outputs 150W at 42V. Divide 150W by your strip's power per meter to find maximum length. For a 10 W/m strip, that is approximately 15 meters; for a 15 W/m strip, approximately 10 meters. Check your specific strip's rated power per meter and limit continuous load to about 80% — roughly 12 m and 8 m respectively in those examples.

Is the ELG-150-42A a good fit for museum or gallery track lighting using 42V LED modules?

Yes, where a fixed, precisely set light level is needed. The built-in potentiometer and 150W capacity let installers calibrate the output of museum or gallery accent lighting during commissioning; if run-time dimming is required, choose the 42B or 42AB. Its IP65 housing also tolerates the humidity-controlled environments common in these spaces.

Can the ELG-150-42A power LED strips in a hospitality or hotel corridor with a building automation 0–10V dimming system?

It can power the strips, but it cannot be dimmed by a 0–10V building automation system because the A type has no dimming input. For 0–10V control, the ELG-150-42B or ELG-150-42AB is the right choice. The 150W output can drive a long run of 42V LED strip along a corridor without requiring parallel drivers.

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Mean Well ELG-150-42A Power Supply 150W 42V - Adjustable 3.57A
Mean Well

Mean Well ELG-150-42A Power Supply 150W 42V - Adjustable 3.57A

$44.92 USD

ELG-150-42A is the 42V output model of this series: rated current 3.57A, typical efficiency 90%.

ELG-150 series is a 150W AC/DC LED driver featuring the dual mode constant voltage and constant current output. ELG-150 operates from 100~305VAC and offers models with different rated voltage ranging between 12V and 54V. Thanks to the high efficiency up to 91%, 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. ELG-150 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 design with functional Ground
  • Built-in active PFC function
  • No load / Standby power consumption <0.5W
  • IP67 / IP65 rating for indoor or outdoor installations
  • Function options: output adjustable via potentiometer; 3 in 1 dimming (dim-to-off) ; Smart timer dimming; DALI
  • Typical lifet ime>50000 hours
  • 5 years warranty

Typical applications

  • LED street lighting
  • LED architectural lighting
  • LED bay lighting
  • LED floodlighting
  • Type “HL” for use in Class I, Division 2 hazardous (Classified) location.

Model

  • 75W 42V
  • 75W 42V Adjustable
  • 75W 42V Adjustable and Dimmable
  • 75W 42V DALI
  • 75W 42V Dimmable
  • 96W 42V
  • 96W 42V Adjustable
  • 96W 42V DALI
  • 96W 42V Dimmable
  • 100W 42V Adjustable and Dimmable
  • 150W 42V
  • 150W 42V Adjustable
  • 150W 42V Adjustable and Dimmable
  • 150W 42V DALI
  • 150W 42V Dimmable
  • 200W 42V
  • 200W 42V Adjustable
  • 200W 42V Adjustable and Dimmable
  • 200W 42V DALI
  • 200W 42V Dimmable
  • 240W 42V
  • 240W 42V Adjustable
  • 240W 42V Adjustable and Dimmable
  • 240W 42V DALI
  • 240W 42V Dimmable
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