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Ltech

Ltech LM-75-24-G2D2 75W 24VDC DALI2 DT8 LED Driver - Tunable White 3.125A

SKU LM-75-24-G2D2
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Overview

LM-75-24-G2D2 is the 24Vdc output model of this series: typical efficiency 92%.

Features

  • Dimming interface: DALI DT8, Push DIM/CCT
  • 2 independently SELV constant voltage output channels.
  • DALI DT8, DIM and color temperature adjusting driver.
  • Constant power design, adjust different color temperature to keep the same brightness.
  • Dimming range from 0-100%, LED start at 0.1% possible.
  • Color temperature adjusting range: 2700-6500K
  • 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.
  • Compliant with Safety Extra Low Voltage standard.
  • Suitable for indoor Ⅰ/Ⅱ/Ⅲ type lamps application.

Specifications

LM-75-24-G2D2Specifications 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 DT8(IEC62386), Push DIM/CCT
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 30A at 230Vac (twidth=1000μs measured at 50% Ipeak)
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
Enter hiccup mode 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

Marked features
DALI PUSH

Technical drawings

LM-75-24-G2D2 Dimensions
Dimensions
LM-75-24-G2D2 DALI DT8 Connection
DALI DT8 Connection
LM-75-24-G2D2 Push DIM/CCT
Push DIM/CCT
LM-75-24-G2D2 Application of Protective Cover
Application of Protective Cover
LM-75-24-G2D2 Relationship Diagrams
Relationship Diagrams

Downloads

FAQ

What is the Ltech LM-75-24-G2D2 designed for?

The LM-75-24-G2D2 is a 75W 24VDC constant-voltage LED driver for tunable white lighting applications. It supports DALI-2 DT8 control and is intended for indoor Type I, II, and III lamp applications.

Does this driver support tunable white color temperature control?

Yes. This model supports tunable white control via DALI DT8 and Push DIM/CCT interfaces. Its constant power design is intended to maintain the same brightness while adjusting color temperature.

What dimming performance does the LM-75-24-G2D2 offer?

This driver supports 0 to 100% dimming with a dimming depth of max. 0.1%. It is rated for high frequency exemption level strobe performance.

Is the LM-75-24-G2D2 a constant-voltage or constant-current driver?

The LM-75-24-G2D2 is a constant-voltage LED driver with a 24VDC output. Its rated output is 75W with a rated current of 3.125A.

What control protocol does this LED driver use?

This model uses DALI-2 DT8 as its dimming interface and also supports Push DIM/CCT control. It is specifically intended for applications that need both dimming and tunable white color temperature adjustment.

Can this driver be used in demanding indoor environments?

It is rated for indoor use with an operating temperature range of -20°C to 50°C. The unit also includes over-heat, overload, and short-circuit protection with automatic recovery.

What are the housing and efficiency-related features of this model?

The LM-75-24-G2D2 has standby power loss below 0.5W and a typical efficiency of 92%. It complies with safety standards IEC/EN61347-1 and IEC/EN61347-2-13.

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Ltech LM-75-24-G2D2 75W 24VDC DALI2 DT8 LED Driver - Tunable White 3.125A
Ltech

Ltech LM-75-24-G2D2 75W 24VDC DALI2 DT8 LED Driver - Tunable White 3.125A

Log in to see price

LM-75-24-G2D2 is the 24Vdc output model of this series: typical efficiency 92%.

Features

  • Dimming interface: DALI DT8, Push DIM/CCT
  • 2 independently SELV constant voltage output channels.
  • DALI DT8, DIM and color temperature adjusting driver.
  • Constant power design, adjust different color temperature to keep the same brightness.
  • Dimming range from 0-100%, LED start at 0.1% possible.
  • Color temperature adjusting range: 2700-6500K
  • 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.
  • Compliant with Safety Extra Low Voltage standard.
  • Suitable for indoor Ⅰ/Ⅱ/Ⅲ type lamps application.
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