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Ltech LM-75-24-G1D2F 75W 24V NFC CV DALI-2 LED Driver 3.125A

NFC programmableDALI-2 DT6Push DIMadjustable length housing5yr warranty

SKU LM-75-24-G1D2F

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Overview

LM-75-24-G1D2F is the 24V ⎓ output model of this series: typical efficiency 92%.

Intelligent LED Driver(Constant Voltage)

Features

Housing made from SAMSUNG/COVESTRO's V0 flame retardant PC materials.
Screwless wire-pressing flip cover design, with detachable end caps. The length of the shell can be adjusted as needed.
Flicker Free IEEE1789
Supports full-command NFC fast programming, allowing configuration via mobile app. Users can modify dimming mode, brightness range, DALI templates, and other settings through NFC, enabling data interaction with the driver.
Two independent SELV constant voltage output channels.
Supports DALI-2 DT6, Push DIM, and corridor light DIM modes.
Compatible with L-Data and DALI Part 251, 252, 253.
Supports deep dimming from 0–100%, with a minimum dimming level of 0.01%.
Supports wired firmware update for devices.
Complies with the EU ERP Directive on energy efficiency, with no-load power consumption < 0.5W and network standby power consumption < 0.5W.
Innovative thermal management technology for intelligent protection of power supply lifespan.
Overheat, over voltage, overload, short circuit protection and automatic recovery.
Suitable for ClassⅠ/Ⅱ/Ⅲ indoor light fixtures.
Normal service life can reach 100,000 hours.
5-year warranty (Rubycon capacitor).

Specifications

LM-75-24-G1D2FSpecifications from the official datasheetDownload datasheet PDF

Features

Output Type: Constant voltage
Dimming Interface: DALI-2 DT6, PUSH DIM
Output Feature: Isolation
Protection Grade: IP20
Insulation Grade: Class II (Suitable for class I/ II /III light fixtures)

OUTPUT

Output Voltage: 24V ⎓
Output Voltage Range: 24V ± 0.5V ⎓
Output Current: Max. 3.125A
Output Power: Max. 75W
Output Power Range: 0-75W
Strobe Level: High frequency exemption level
Dimming Range: 0-100%, down to 0.01%
Overload Power Limitation: ≥102%
Ripple: ≤300mV
PWM Frequency: 300-22000Hz

INPUT

Input AC Voltage: 220-240V~
Input DC Voltage: 220-240V ⎓ (EMI needs to be evaluated after the lamp is equipped.)
Frequency: 50/60Hz
Input Current: Max. 0.4A/230V~
Power Factor: PF>0.98/230V~ (at full load)
THD: THD<10%@ 230V~(at full load)
Efficiency (Typ.): 92%
Inrush Current: 45A (twidth=300us, 50% Ipeak, 230Vac)
Anti Surge: L-N: 2KV
Leakage Current: Max. 0.5mA

ENVIRONMENT

Working Temperature: ta: -20 ~ 50°C tc: 80°C
Working Humidity: 20 ~ 95%RH, non-condensing
Storage Temperature/Humidity: -40 ~ 80°C, 10~95%RH
Temperature Coefficient: ±0.03%/°C(-20℃-50°C)
Vibration: 10-500Hz, 2G 12mins/cycle, 72 min for X, Y and Z axes respectively

PROTECTION

Overheat Protection: Intelligently adjust or turn off the output current if the PCB temperature ≥110°C, and recover automatically
Overload Protection: Automatically protect the device when the load exceeds 102% of the rated power. Automatically recover once load is reduced
Short Circuit Protection: Enter hiccup mode if short circuit occurs, and recover automatically
Overvoltage Protection: No-load voltage ≥ 28V; output turns off and can recover automatically.

SAFETY & EMC

Withstand Voltage: I/P-O/P:3750V~
Insulation Resistance: I/P-O/P: 100MΩ/500VDC/25°C/70%RH
Safety Standards: Parameter Standard Test Level

CCC China GB19510.1，GB19510.14，GB19510.213
TUV Germany EN61347-1，EN61347-2-13，EN62493
CB CB Member States IEC61347-1，IEC61347-2-13
CE European Union EN61347-1，EN61347-2-13，EN62384
EAC Russia IEC61347-1，IEC61347-2-13
RCM Australia AS 61347-1，AS 61347-2-13
ENEC Europe EN61347-1，EN61347-2-13，EN62384
EMC Emission: Parameter Standard Test Level

CCC China GB/T17743，GB17625.1
CE European Union EN55015，EN61000-3-2，EN61000-3-3，EN61547
EAC Russia IEC62493，IEC61547，EH55015
RCM Australia EN55015，EN61000-3-2，EN61000-3-3，EN61547
EMC Immunity: EN61000-4-2,3,4,5,6,8,11,EN61547

Parameter	Standard	Test Level
CCC	China	GB19510.1，GB19510.14，GB19510.213
TUV	Germany	EN61347-1，EN61347-2-13，EN62493
CB	CB Member States	IEC61347-1，IEC61347-2-13
CE	European Union	EN61347-1，EN61347-2-13，EN62384
EAC	Russia	IEC61347-1，IEC61347-2-13
RCM	Australia	AS 61347-1，AS 61347-2-13
ENEC	Europe	EN61347-1，EN61347-2-13，EN62384

Parameter	Standard	Test Level
CCC	China	GB/T17743，GB17625.1
CE	European Union	EN55015，EN61000-3-2，EN61000-3-3，EN61547
EAC	Russia	IEC62493，IEC61547，EH55015
RCM	Australia	EN55015，EN61000-3-2，EN61000-3-3，EN61547

ErP

Power Consumption: Parameter Standard

Networked standby < 0.5W (After switching on/off via command)
No-load power consumption < 0.5W(When the lamp is not connected)
Flicker/Stroboscopic Effect: Parameter Standard

IEEE1789 Meet IEEE 1789 standard/High frequency exemption level
CIE SVM PstLM≤1.0，SVM≤0.4
DF: Parameter Standard

Phase factor DF≥0.9

Parameter	Standard
Networked standby	< 0.5W (After switching on/off via command)
No-load power consumption	< 0.5W(When the lamp is not connected)

Parameter	Standard
IEEE1789	Meet IEEE 1789 standard/High frequency exemption level
CIE SVM	PstLM≤1.0，SVM≤0.4

Parameter	Standard
Phase factor	DF≥0.9

OTHERS

Weight(N.W.): 290g±10g
Dimensions: 293×42.5×30mm(L×W×H)

Certifications & ratings

Flicker Free: IEEE1789
L-Data: 251/252/253
Marked features: NFC, Corridor DIM

Test conditions and notes1

This driver is suitable for connecting LED lighting fixtures with resistor current limiting (such as LED light strips). If it is connected to a fixture with built-in constant current IC for current limiting, an instantaneous inrush current dozens of times higher will be generated, causing the driver to activate overload protection (hiccup and strobing). When placing an order, such fixtures with built-in constant current IC for current limiting (e.g., MR16 bulbs, underground lights, wall washers, constant current hard light strips, etc.) need to be specified to facilitate the burning of a special program.

Technical drawings

LM-75-24-G1D2F Product Size — Product Size

LM-75-24-G1D2F Wiring Application Diagram (2) — Wiring Application Diagram (2)

LM-75-24-G1D2F PUSH DIM Connection Method — PUSH DIM Connection Method

LM-75-24-G1D2F Corridor Dimming Connection Method — Corridor Dimming Connection Method

LM-75-24-G1D2F *The above parameters are set through the NFC lighting APP. — *The above parameters are set through the NFC lighting APP.

LM-75-24-G1D2F Tension plate — Tension plate

LM-75-24-G1D2F Installation Precautions — Installation Precautions

LM-75-24-G1D2F Use the NFC Lighting APP — Use the NFC Lighting APP

LM-75-24-G1D2F 1.Read the LED driver — 1.Read the LED driver

LM-75-24-G1D2F 2. Edit parameters — 2. Edit parameters

LM-75-24-G1D2F Advanced DALI template — Advanced DALI template

LM-75-24-G1D2F Relationship Diagrams — Relationship Diagrams

LM-75-24-G1D2F Life time VS Housing temperature — Life time VS Housing temperature

LM-75-24-G1D2F Life time VS Housing temperature (2) — Life time VS Housing temperature (2)

Downloads

Datasheet1

LM-75-24-G1D2F datasheetLM_75_24_G1D2F.pdf PDF Download

FAQ

What type of LED lighting is the Ltech LM-75-24-G1D2F designed for?

This model is a 75W constant voltage LED driver with a 24Vdc output, so it is intended for 24V constant voltage LED lighting applications. It is suited to indoor luminaires that need DALI-2 DT6 or Push DIM control and benefit from deep dimming performance.

Does this LED driver support DALI-2 control?

Yes. The LM-75-24-G1D2F supports DALI-2 DT6 and also works with Push DIM and corridor light dimming modes. It is additionally listed as compatible with L-Data and DALI Parts 251, 252, and 253.

What are the main output specifications of this model?

The LM-75-24-G1D2F provides a 24Vdc output with a maximum output current of 3.125A and a power range of 0 to 75W. It features a single constant voltage output channel.

How low can this driver dim?

This model supports dimming from 0 to 100%, with a minimum dimming level down to 0.01%. That makes it a strong option for projects that need very fine low-end dimming control rather than only basic on/off or limited dimming range.

Can this driver be programmed without dedicated hardware tools?

Yes. The LM-75-24-G1D2F supports full-command NFC fast programming via a mobile app, allowing supported parameters such as dimming mode, brightness range, and DALI templates to be modified. This can be useful for commercial projects that need model-specific configuration flexibility.

Is this LED driver suitable for indoor commercial environments?

Yes, it is designed for indoor use and carries an IP20 rating. Its operating temperature range is -20°C to +50°C, and it is suitable for Class I, II, and III indoor luminaires.

What efficiency and energy performance does this driver offer?

The LM-75-24-G1D2F has a typical efficiency of 92% and a power factor above 0.98 at 230V under full load. It also features low THD (<10% at 230V full load) and high-frequency exemption strobe levels.

What protections and warranty are included with this model?

This driver includes overheat, over-voltage, overload, and short-circuit protection with automatic recovery. It is designed for reliable operation in commercial lighting applications.

Payment & Security

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Model	Power	Voltage	Current	IP Rating
Ltech LM-75-24-G1D2 75W 24VDC CV DALI2 LED Driver 3.125A	75W	24V	3.125A	IP20	View
Ltech LM-75-24-G1T2 75W 24VDC CV Triac Driver 3.125A	75W	24V	3.125A	IP20	View

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Ltech LM-75-24-G1D2F 75W 24V NFC CV DALI-2 LED Driver 3.125A

Overview

Features

Specifications

Features

OUTPUT

INPUT

ENVIRONMENT

PROTECTION

SAFETY & EMC

ErP

OTHERS

Certifications & ratings

Technical drawings

Downloads

Datasheet1

FAQ

Payment & Security

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Ltech LM-75-24-G1D2F 75W 24V NFC CV DALI-2 LED Driver 3.125A

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