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Mean Well XLG-320-M-A Power Supply 310.8W 2800mA 74-148V Constant Power, Adjustable output

metal caseeconomical100~305VAC wide range inputefficiency up to 90%
SKU XLG-320-M-A
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Overview

XLG-320-M-A is the model of this series: rated power 310.8W, typical efficiency 93.5%. Type A: Output constant power adjustable via built-in lo potentiometer (IP67).

XLG-320 series is a 315W LED AC/DC driver featuring with constant power mode. XLG-320 operates from 120~305VAC and offers models with different rated current ranging between 1050mA and 7420mA. Thanks to the high efficiency up to 94.5% with the fanless design, the entire series is able to operate for -40℃ ~+85℃ 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. Moreover the innovative environment-adaptive capability allows this series to reliably light on the LEDs for all kinds of application environments in almost any spots that may install LED luminaires in the world. XLG-320 series comply with the latest version of IEC61347/GB/19510.1 and UL8750 international safety regulations. The output and dimming circuit are also completely in accordance with the new regulations and isolation to ensure the safety of both user and luminaire system during installation.

Features

  • Wide input range 100~305VAC(classⅠ)
  • Full power output at 75~100% constant power mode operation
  • Metal case with IP67,suitable for outdoor application
  • Surge protection with 6KV/4KV
  • Protection Functions: OLP/ SCP/ OVP/ OTP
  • Compliance to EN60335-1 household application
  • Lifetime>50,000 hours and 5 years warranty
  • Type “HL” for use in classⅠ,Division 2
  • Household devices
  • Retail and refrigerated display

Specifications

XLG-320-M-ASpecifications from the official datasheet (2026-02-04 edition)

OUTPUT

RATED CURRENT (Default)
2800mA
RATED POWERNote.11
310.8W
CONSTANT CURRENT REGION
74 ~ 148V
OUTPUT VOLTAGE ADJ. RANGE
NC
FULL POWER CURRENT RANGE
2100~2800mA
OPEN CIRCUIT VOLTAGE (max.)
180V
CURRENT ADJ. RANGE
1050~2800mA
CURRENT RIPPLE
5.0 max. @rated current
CURRENT TOLERANCE
±5%
RIPPLE & NOISE(max.)
NC
VOLTAGE TOLERANCE
NC
LINE REGULATION
NC
LOAD REGULATION
NC
SET UP TIMENote.9
500ms/230VAC, 1200ms/115VAC

INPUT

VOLTAGE RANGENote.2
100 ~ 305VAC 142VDC ~ 431VDC (Please refer to "STATIC CHARACTERISTIC" ang “ DRIVING METHODS OF LED MODULE"section)
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF≧0.98 / 115VAC, PF≧0.95 / 230VAC, PF≧0.92 / 277VAC at full load (Please refer to "Power Factor Characteristic" section)
TOTAL HARMONIC DISTORTION
THD< 10% @ load≧50% at 115VAC/230VAC, THD<15%@Load>75% at 277VAC; Please refer to “TOTAL HARMONIC DISTORTION (THD)” section
EFFICIENCY (Typ.)
93.5%
AC CURRENT (Typ.)
3A / 120VAC 1.6A / 230VAC 1.3A / 277VAC
INRUSH CURRENT(Typ.)
COLD START 45A(twidth=1200μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
MAX. NO. of PSUs on 16A CIRCUIT BREAKER
2 unit(circuit breaker of type B) / 4 units(circuit breaker of type C) at 230VAC
LEAKAGE CURRENT
<0.75mA / 277VAC

PROTECTION

SHORT CIRCUIT
Hiccup mode or Constant current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
190 ~ 220V Shut down output voltage, re-power on to recovery
OVER TEMPERATURENote.12
L/M/H-Type: Tcase>85℃±5℃,derate power automatically
OVER LOADNote.11
Hiccup mode or Constant current limiting, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.
Tcase=-40 ~ +85℃(Please refer to "OUTPUT LOAD vs TEMPERATURE" section)
MAX. CASE TEMP.
Tcase=+85℃
WORKING HUMIDITY
20 ~ 95% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +80℃, 10 ~ 95% RH non-condensing
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; ENEC BS EN/EN61347-1, BS EN/EN61347-2-13 independent, BS EN/EN62384, EN/EN60335-1 compliant to EN 60335-2-89 Annex BB, EN 60335-2-24 Annex CC;GB/T19510.1, GB/T19510.213;EAC TP TC 004; IP67; IS15885(Part2/Sec13)(except for blank type), KC61347-1,KC61347-2-13 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
ParameterStandardTest Level
ConductedBS EN/EN55015(CISPR15),GB/T 17743
RadiatedBS EN/EN55015(CISPR15),GB/T 17743
Harmonic CurrentBS EN/EN61000-3-2 , GB17625.1Class C @load≥50%
Voltage FlickerBS EN/EN61000-3-3-----; BS EN/EN61547
EMC IMMUNITY
ParameterStandardTest Level
ESDBS EN/EN61000-4-2Level 3, 8KV air; Level 2, 4KV contact
RadiatedBS EN/EN61000-4-3Level 2
EFT / BurstBS EN/EN61000-4-4Level 3
SurgeBS EN/EN61000-4-54KV/Line-Line 6KV/Line-Earth
ConductedBS EN/EN61000-4-6Level 2
Magnetic FieldBS EN/EN61000-4-8Level 4
Voltage Dips and InterruptionsBS EN/EN61000-4-11>95% dip 0.5 periods, 30% dip 25 periods, >95% interruptions 250 periods

OTHERS

MTBF
1476.4K hrs min. Telcordia SR-332(Bellcore) ; 168.1 K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
246*77*39.5mm (L*W*H)
PACKING
1.45Kg;9pcs/14Kg/0.76CUFT

MODEL ENCODING

Blank
Io and Vo fixed.(For harsh environment); IP67
A (this model)
Output constant power adjustable via built-in lo potentiometer; IP67
AB
Output constant power adjustable via built-in lo potentiometer + 3 in 1 dimming function (0~10Vdc, 10V PWM signal and resistance); IP67
ABV(48VONLY)
Vo adjustable via built-in potentiometer + 3 in 1 dimming function (Flicker free C.V. Dimming); IP67
Test conditions and notes18
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated current and 25℃ of ambient temperature.
  2. 2. De-rating may be needed under low input voltages. Please refer to “STATIC CHARACTERISTIC” sections for details.
  3. 3. 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)
  4. 4. This series meets the typical life expectancy >50,000 hours of operation when Tcase, particularly tc point (or TMP, per DLC), is 75℃ or less.
  5. 5. To fulfill requirements of the latest ErP regulation for lighting fixture, this LED driver can only be used behind a switch without permanently connected to the mains.
  6. 6. Please refer to the warranty statement on MEAN WELL's website at http://www.meanwell.com
  7. 7. 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).
  8. 8. 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
  9. 9. Products sourced from the Americas regions may not have the ENEC/CCC/KC logo. Please contact your MEAN WELL sales for more information.
  10. 10. Some products may not have the BIS logo, please contact your MEAN WELL sales for more information.
  11. 12.When the secondary OTP fails, there is also a primary OTP, which is protected by Shut down output voltage, re-power on to recovery for the H/M/L-type.
  12. 13. When the current adjustment is more than 110% of the rated current, it will be enter the Protection state.
  13. 14. V,H type:RCM is on a voluntary basis. Non IC classification Independent LED control gear is not suitable for residential installations. M,L type:RCM is on a voluntary basis and meets relevant IEC or AS/NZS standards complying with AS/NZS 4417.1.
  14. 15. It may has an over-shoot status at output current when AC On/Off operate with lower Vf and lower loading conditions.
  15. 16. If you need the NOM (Mexico) certificate, Please contact MEAN WELL sales representative for details.
  16. 17. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
  17. 18. Please refer to "DRIVING METHODS OF LED MODULE".
  18. 19. For A/AB/ABV type need to consider build in using to comply with Type HL application.

Technical drawings

XLG-320-M-A BLOCK DIAGRAM
BLOCK DIAGRAM
XLG-320-M-A DRIVING METHODS OF LED MODULE
DRIVING METHODS OF LED MODULE
XLG-320-M-A OUTPUT LOAD vs TEMPERATURE
OUTPUT LOAD vs TEMPERATURE
XLG-320-M-A STATIC CHARACTERISTIC
STATIC CHARACTERISTIC
XLG-320-M-A TOTAL HARMONIC DISTORTION
TOTAL HARMONIC DISTORTION
XLG-320-M-A LIFE TIME
LIFE TIME
XLG-320-M-A MECHANICAL SPECIFICATION
MECHANICAL SPECIFICATION
XLG-320-M-A Recommend Mounting Direction
Recommend Mounting Direction

Typical applications

  • Bay lighting
  • Stagelight
  • Floodlight lighting
  • Horticulture lighting
  • Stadium lighting
  • DMX power supply

Downloads

FAQ

Can the XLG-320-M-A power LED downlights that require a mid-range output voltage?

Yes, the XLG-320-M-A provides constant current at 2800mA over a 74–148V output range, suitable for LED downlight modules or arrays with combined forward voltages in that window. Its 310.8W capacity supports high-power commercial downlight installations.

Is the XLG-320-M-A suitable for driving LED modules in outdoor area or sports lighting?

Yes, the IP67 waterproof rating and -40°C to +85°C temperature range support outdoor sports and area lighting fixtures. The 74–148V CC range accommodates mid-string-length LED arrays common in high-power outdoor luminaires at 2800mA.

Can the XLG-320-M-A be used in industrial high-bay LED fixtures?

Yes, 310.8W at 2800mA with a 74–148V operating range suits the LED string voltages found in many industrial high-bay designs. The metal case and IP67 rating also help in dusty industrial environments where ingress protection is required.

How many LEDs can the XLG-320-M-A drive in a constant-current string?

The number of LEDs is determined by each LED's forward voltage — there is no fixed count. The total forward voltage of all series-connected LEDs must fall between 74V and 148V at 2800mA, and total power must stay within 310.8W.

Can the XLG-320-M-A be installed in an outdoor pole or wall-mount luminaire?

Yes, the IP67 rating provides dust-tight and temporary-immersion protection, making the driver appropriate for outdoor pole-mount and wall-mount luminaire housings. Operating temperature extends to -40°C for cold-region outdoor installations.

Does the XLG-320-M-A accept high-line input voltages common in industrial facilities?

Yes, the driver accepts 100–305VAC input, covering industrial supply voltages such as 277VAC (common in US commercial lighting). UL, CSA, ENEC, and EAC certifications support global industrial deployment.

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Mean Well XLG-320-M-A Power Supply 310.8W 2800mA 74-148V Constant Power, Adjustable output
Mean Well

Mean Well XLG-320-M-A Power Supply 310.8W 2800mA 74-148V Constant Power, Adjustable output

Log in to see price

XLG-320-M-A is the model of this series: rated power 310.8W, typical efficiency 93.5%. Type A: Output constant power adjustable via built-in lo potentiometer (IP67).

XLG-320 series is a 315W LED AC/DC driver featuring with constant power mode. XLG-320 operates from 120~305VAC and offers models with different rated current ranging between 1050mA and 7420mA. Thanks to the high efficiency up to 94.5% with the fanless design, the entire series is able to operate for -40℃ ~+85℃ 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. Moreover the innovative environment-adaptive capability allows this series to reliably light on the LEDs for all kinds of application environments in almost any spots that may install LED luminaires in the world. XLG-320 series comply with the latest version of IEC61347/GB/19510.1 and UL8750 international safety regulations. The output and dimming circuit are also completely in accordance with the new regulations and isolation to ensure the safety of both user and luminaire system during installation.

Features

  • Wide input range 100~305VAC(classⅠ)
  • Full power output at 75~100% constant power mode operation
  • Metal case with IP67,suitable for outdoor application
  • Surge protection with 6KV/4KV
  • Protection Functions: OLP/ SCP/ OVP/ OTP
  • Compliance to EN60335-1 household application
  • Lifetime>50,000 hours and 5 years warranty
  • Type “HL” for use in classⅠ,Division 2
  • Household devices
  • Retail and refrigerated display

Typical applications

  • Bay lighting
  • Stagelight
  • Floodlight lighting
  • Horticulture lighting
  • Stadium lighting
  • DMX power supply
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