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Ltech

Ltech LM-75-24-G1D2 75W 24VDC CV DALI2 LED Driver 3.125A

SKU LM-75-24-G1D2
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Overview

LM-75-24-G1D2 is the 24Vdc output model of this series: typical efficiency 92%.

Features

  • Dimming interface: DALI, Push DIM.
  • Dimming range from 0-100%, LED start at 0.1% possible.
  • DALI dimming curve: Liner curve or logarithmic curve.
  • 0~100% flicker-free, achieve the level of exemption assessment.
  • Over-heat / Over voltage / Over load / Short circuit protection, recover automatically.
  • Standby Power Loss < 0.5W
  • Full protective plastic housing.
  • DALI bus standard: IEC62386-101,102, 207.
  • Compliant with Safety Extra Low Voltage standard.
  • Suitable for indoor Ⅰ/Ⅱ/Ⅲ type lamps application.

Specifications

LM-75-24-G1D2Specifications from the official datasheetDownload datasheet PDF

OUTPUT

Output Voltage
24Vdc
Output Voltage Range
24Vdc ±0.5Vdc
Output Current
Max. 3.125A
Output Power
Max. 75W
Output Power Range
0~75W
Strobe Level
High frequency exemption level
Dimming Range
0~100%, dimming depth: Max. 0.1%
Overload Power Limitation
≥102%
Ripple & Noise
≤300mV
PWM Frequency
≤3600Hz

INPUT

Dimming Interface
DALI (IEC62386), Push DIM
Input Voltage
220-240Vac
Frequency
50/60Hz
Input Current
Max. 0.4A/230Vac
Power Factor
PF>0.97/230Vac, at full load
THD
≤14% at 230Vac, at full load
Efficiency (typ.)
92%
Standby Power Loss
<0.5W
Inrush Current(typ.)
Cold start 40A at 230Vac
Control surge capability
L-N:2KV
Leakage Current
Max. 0.5mA

ENVIRONMENT

Working Temperature
ta: -20°C ~ 50°C tc: 80°C
Working Humidity
20 ~ 95%RH, non-condensing
Storage Temp., Humidity
-40°C ~ 80°C, 10~95%RH
Temp. Coefficient
±0.03%/°C (0-50°C)
Vibration
10~500Hz, 2G 12min./1cycle, period for 72min. each along X, Y, Z axes.

PROTECTION

Over-heat Protection
Intelligently adjusting or turning off the output current if the PCB temperature ≥110°C, auto recovers.
Over Voltage Protection
Shut down the output when non-load voltage≥26V, re-power on to recover after fault condition is removed.
Over Load Protection
Shut down the output when current load≥102%, auto recovers.
Short Circuit Protection
Shut down automatically if short circuit occurs, auto recovers.

SAFETY & EMC

Withstand Voltage
I/P-O/P: 3750Vac
Isolation Resistance
I/P-O/P: 100MΩ/500VDC/25°C/70%RH
Safety Standards
IEC/EN61347-1, IEC/EN61347-2-13
EMC Emission
EN55015, EN61000-3-2 Class C, IEC61000-3-3
EMC Immunity
EN61000-4-2,3,4,5,6,8,11 EN61547
Strobe Test Standard
IEEE 1789

OTHERS

Dimension
293×43×30mm(L×W×H)
Packing
296×44×33mm(L×W×H)
Weight(G.W.)
300g±10g

Certifications & ratings

Flicker-free
IEEE 1789 exemption level
Marked features
DALI PUSH DIM

Technical drawings

LM-75-24-G1D2 Dimensions
Dimensions
LM-75-24-G1D2 DALI Connection
DALI Connection
LM-75-24-G1D2 Push DIM Connection
Push DIM Connection
LM-75-24-G1D2 Application of Protective Cover
Application of Protective Cover
LM-75-24-G1D2 Push Dimming
Push Dimming
LM-75-24-G1D2 Relationship Diagrams
Relationship Diagrams

Downloads

FAQ

What type of LED driver is the Ltech LM-75-24-G1D2?

The Ltech LM-75-24-G1D2 is a constant voltage LED driver rated for 24VDC output. It delivers up to 75W of power with a rated output current of 3.125A. This model is designed for lighting applications that require DALI dimming control.

Is this driver compatible with DALI lighting control systems?

Yes. This model supports DALI dimming via the DALI interface (IEC62386) and Push DIM. The product is marked with DALI and PUSH DIM features.

What dimming performance does the LM-75-24-G1D2 offer?

This driver supports 0 to 100 percent dimming with a maximum dimming depth of 0.1%. It is rated for high frequency exemption level according to IEEE 1789, ensuring flicker-free operation.

What kinds of applications is this LED driver suitable for?

This driver is intended for indoor lighting applications. Its constant 24VDC output makes it relevant for compatible constant-voltage LED lighting systems that use DALI-based dimming. The compact dimensions (293×43×30mm) support use in enclosed indoor fixtures and lighting assemblies.

What operating temperature range does this driver support?

The listed operating temperature range for the LM-75-24-G1D2 is -20°C to 50°C (ambient). The case temperature (tc) limit is 80°C. That makes it suitable for indoor environments that stay within those limits.

Does this model include built-in protection features?

Yes. The model includes over-heat, over-voltage, over-load, and short circuit protection, with automatic recovery for over-heat, over-load, and short circuit faults. It also notes standby power loss below 0.5W.

How does this model compare to non-DALI 24V LED drivers?

The main differentiator is its DALI dimming capability. Compared with a basic non-dimming or non-DALI 24V driver, this model is better suited to commercial and control-system-based lighting projects. It also adds 0 to 100 percent dimming with a max depth of 0.1% and IEEE 1789 flicker-free compliance.

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Ltech LM-75-24-G1D2 75W 24VDC CV DALI2 LED Driver 3.125A
Ltech

Ltech LM-75-24-G1D2 75W 24VDC CV DALI2 LED Driver 3.125A

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LM-75-24-G1D2 is the 24Vdc output model of this series: typical efficiency 92%.

Features

  • Dimming interface: DALI, Push DIM.
  • Dimming range from 0-100%, LED start at 0.1% possible.
  • DALI dimming curve: Liner curve or logarithmic curve.
  • 0~100% flicker-free, achieve the level of exemption assessment.
  • Over-heat / Over voltage / Over load / Short circuit protection, recover automatically.
  • Standby Power Loss < 0.5W
  • Full protective plastic housing.
  • DALI bus standard: IEC62386-101,102, 207.
  • Compliant with Safety Extra Low Voltage standard.
  • Suitable for indoor Ⅰ/Ⅱ/Ⅲ type lamps application.
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