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Mean Well XLC-40-12-S LED Driver 40.8W 12V with Strain-relief 3.4A

Name: Mean Well XLC-40-12-S LED Driver 40.8W 12V with Strain-relief 3.4A
Brand: Mean Well
SKU: XLC-40-12-S
Price: 32.13 USD
Availability: InStock

constant voltageclass II and PFCflicker-free

SKU XLC-40-12-S

$32.13 USD

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Overview

XLC-40-12-S is the model of this series: rated current 3.4A, rated power 40.8W, typical efficiency 86%.

XLC-40 Series is a 40W with constant power and constant voltage output LED driver . It can operate from 100~305VAC and output current ranging between 600 mA to 1400 mA selectable by dip switch or NFC setting. Thanks to high efficiency up to 88%, it is able to operate for -25℃~90℃ case temperature under free air convection. XLC-40 is designed based on latest safety regulations with 3 in 1 and DALI-2 dimming. XLC-40 can also be adjusted for brightness with a push button as a simple way dimming, so it provides more flexibility for LED Lighting application.

Features

Constant power mode output with multiple stage selectable by dip switch or NFC setting (H-type)
Constant voltage mode output (12V/24V)
Plastic housing with class II and PFC design
Meet UL 8750 Class 2 / Class P power unit
Flicker free, complying with CE ErP directive
Standby power consumption <0.5W
Meet emergency lighting (EL) function application
Minimum dimming level 0.1% (DALI-2 DT6)
Dimming functions: 3 in 1 dimming (Dim-to-off) DALI-2 + Push dimming
5 years warranty

Specifications

XLC-40-12-SSpecifications from the official datasheet (2025-01-20 edition)

OUTPUT

RATED VOLTAGE: 12V
RATED CURRENT: 3.4A
RATED POWER^{Note.2 (12V/24V table); Note.4 (H-type table)}: 40.8W
RIPPLE & NOISE (max.)^{Note.3 (12V/24V table)}: 120mVp-p
VOLTAGE TOLERANCE^{Note.4 (12V/24V table)}: ±4.0%
LINE REGULATION: ±0.5%
LOAD REGULATION: ±2%
SETUP, RISE TIME^{Note.5 (12V/24V table); Note.5,6 (H-type table)}: 500ms, 100ms/230VAC, 1000ms, 100ms/115VAC

INPUT

VOLTAGE RANGE: 100 ~ 305VAC 141 ~ 400VDC
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<10%(@load≧50%/230VAC; @load≧75%/277VAC), THD<15%(@load≧50%/115VAC) (Please refer to “TOTAL HARMONIC DISTORTION(THD)” section)
EFFICIENCY (Typ.)^{Note.7 (H-type table)}: 86%
AC CURRENT: 0.5A / 115VAC 0.25A / 230VAC 0.2A/277VAC
INRUSH CURRENT(Typ.): COLD START 10A(twidth=100μs measured at 50% Ipeak) at 230VAC; Per NEMA 410
MAX. No. of PSUs on 16A CIRCUIT BREAKER: 51 units (circuit breaker of type B) / 51 units (circuit breaker of type C) at 230VAC
LEAKAGE CURRENT: <0.75mA / 277VAC

PROTECTION

OVER LOAD: 105 ~ 220% rated output power Protection type:Hiccup mode , recovers automatically after fault condition is removed
SHORT CIRCUIT: Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: 13 ~ 16V Shut down and latch off o/p voltage, re-power on to recover
OVER TEMPERATURE: Shut down output voltage, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP.: Tcase=-25 ~ 90℃ (Please refer to “ OUTPUT LOAD vs TEMPERATURE” section)
MAX. CASE TEMP.: Tcase=90℃
WORKING HUMIDITY: 20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +80℃, 10 ~ 95% RH
TEMP. COEFFICIENT: ±0.03%/℃ (0 ~ 50℃)
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS: ENEC BS EN/EN61347-1, BS EN/EN61347-2-13(EL) appendix J suitable for emergency installations(DC input 176-280VDC); BS EN/EN62384, BIS IS15885(Part2/Sec13)(NOTE 14), GB/T19510.1, GB/T19510.213, EAC TP TC 004,UL8750(Class P); CSA C22.2 No. 250.13-12 approved; Design refer to AS/NZS 61347-1, AS/NZS 61347-2-13
WITHSTAND VOLTAGE: I/P-O/P:3.75KVAC
ISOLATION RESISTANCE: I/P-O/P:>100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION: Parameter Standard Test Level

Conducted BS EN/EN55015(CISPR15) ,GB/T 17743
Radiated BS EN/EN55015(CISPR15) ,GB/T 17743
Harmonic Current BS EN/EN61000-3-2 , GB17625.1 Class C @load≥50%
Voltage Flicker BS EN/EN61000-3-3
EMC IMMUNITY: BS EN/EN61547

Parameter Standard Test Level

ESD BS EN/EN61000-4-2 Level 3, 8KV air; Level 2, 4KV contact
Radiated BS EN/EN61000-4-3 Level 2
EFT/Burst BS EN/EN61000-4-4 Level 2
Surge BS EN/EN61000-4-5 Level 3, 1KV/Line-Line
Conducted BS EN/EN61000-4-6 Level 2
Magnetic Field BS EN/EN61000-4-8 Level 2
Voltage Dips and Interruptions BS EN/EN61000-4-11 70% residual voltage for 10 period, 0% residual voltage for 0.5 periods

Parameter	Standard	Test Level
Conducted	BS EN/EN55015(CISPR15) ,GB/T 17743
Radiated	BS EN/EN55015(CISPR15) ,GB/T 17743
Harmonic Current	BS EN/EN61000-3-2 , GB17625.1	Class C @load≥50%
Voltage Flicker	BS EN/EN61000-3-3

Parameter	Standard	Test Level
ESD	BS EN/EN61000-4-2	Level 3, 8KV air; Level 2, 4KV contact
Radiated	BS EN/EN61000-4-3	Level 2
EFT/Burst	BS EN/EN61000-4-4	Level 2
Surge	BS EN/EN61000-4-5	Level 3, 1KV/Line-Line
Conducted	BS EN/EN61000-4-6	Level 2
Magnetic Field	BS EN/EN61000-4-8	Level 2
Voltage Dips and Interruptions	BS EN/EN61000-4-11	70% residual voltage for 10 period, 0% residual voltage for 0.5 periods

OTHERS

FLICKER^{Note.6 (12V/24V table); Note.9 (H-type table)}: PstLM ≤ 1, SVM ≤ 0.4
MTBF: 3935.2 K hrs min. Telcordia SR-332 (Bellcore) ; 342.9 Khrs min. MIL-HDBK-217F (25℃)
DIMENSION: 147*40*32mm,107*40*32mm (L*W*H)
PACKING: 190g; 60pcs/12.6Kg/0.58CUFT(for blank type); 207g; 50pcs/11.5Kg/0.57CUFT(for S-type)

Test conditions and notes14

Technical drawings

XLC-40-12-S BLOCK DIAGRAM — BLOCK DIAGRAM

XLC-40-12-S DRIVING METHODS OF LED MODULE — DRIVING METHODS OF LED MODULE

XLC-40-12-S NFC Function Description — NFC Function Description

XLC-40-12-S DIMMING OPERATION — DIMMING OPERATION

XLC-40-12-S ◎ DA2 type (DALI-2 digital dimming function) — ◎ DA2 type (DALI-2 digital dimming function)

XLC-40-12-S OUTPUT LOAD vs TEMPERATURE — OUTPUT LOAD vs TEMPERATURE

XLC-40-12-S TOTAL HARMONIC DISTORTION — TOTAL HARMONIC DISTORTION

XLC-40-12-S POWER FACTOR (PF) CHARACTERISTIC — POWER FACTOR (PF) CHARACTERISTIC

XLC-40-12-S EFFICIENCY vs LOAD — EFFICIENCY vs LOAD

XLC-40-12-S MECHANICAL SPECIFICATION — MECHANICAL SPECIFICATION

Typical applications

Downloads

Datasheet1

XLC-40-12-S datasheetXLC_40_spec_sheet.pdf · 2025-01-20 edition PDF Download

FAQ

Can I use the XLC-40-12-S to power 12V LED strips in a pendant luminaire with a long hanging cable?

Yes, the XLC-40-12-S is a strong choice for pendant luminaires where the output cable must be routed through a long hanging cord or suspension cable. The strain-relief secures the cable at the driver body, reducing mechanical stress at the wire exit point. The 40.8W output at 12V provides ample power for 12V LED strip modules inside medium-sized pendant fixtures.

Is the XLC-40-12-S suitable for powering 12V LED strip in a built-in architectural linear fixture?

Yes, the XLC-40-12-S fits well in recessed or built-in linear fixtures where cables pass through rigid housing channels and benefit from strain-relief protection. At 40.8W and 12V, it can supply enough power for meaningful LED strip lengths in architectural linear profiles. The flicker-free operation is appropriate for office or commercial environments with high visual demands.

Can the XLC-40-12-S be used inside a 12V LED tape lighting installation in a kitchen cabinet?

Yes, the XLC-40-12-S is compact at 147.0 × 32.0 × 40.0 mm and can be concealed inside a kitchen cabinet or behind a plinth. The strain-relief on the output cable protects the wiring where it exits through cabinet cutouts or cable clips. At 40.8W, it can support more 12V LED tape than the 25W variants — for example, approximately 2.83 m of 14.4 W/m tape (40.8 ÷ 14.4 ≈ 2.83 m).

How much 12V LED strip can the XLC-40-12-S power?

The XLC-40-12-S delivers 40.8W at 12V and 3.4A. For a 14.4 W/m strip, this is approximately 2.83 m (40.8 ÷ 14.4 ≈ 2.83 m); for a 9.6 W/m strip, about 4.25 m. Always check your strip's rated watts per meter and plan for no more than 80% of the driver's rated wattage for continuous loads.

Is the XLC-40-12-S suitable for use in a damp or partially exposed environment?

The XLC-40-12-S does not carry an IP ingress protection rating, so it is not rated for direct moisture exposure. It should be installed inside a dry, protected enclosure. If the installation environment is damp or partially exposed, the enclosure must provide adequate IP protection and the driver should be positioned away from condensation or water drip paths.

What certifications does the XLC-40-12-S hold?

The XLC-40-12-S holds ENEC, BS EN/EN61347-1, BS EN/EN61347-2-13, BS EN/EN62384, BIS IS15885, GB/T19510.1, GB/T19510.213, EAC TP TC 004, UL8750 (Class P), and CSA C22.2 No. 250.13-12 certifications. It is designed to refer to AS/NZS 61347-1 and AS/NZS 61347-2-13. The 12V output is a safety extra-low voltage circuit, reducing electrical shock risk in accessible luminaire applications.

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