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Ltech

Ltech LM-75-12-G1D2 75W 12VDC CV DALI2 LED Driver 6.25A

SKU LM-75-12-G1D2
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Overview

LM-75-12-G1D2 is the 12Vdc output model of this series: typical efficiency 91%.

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-75-12-G1D2Specifications from the official datasheetDownload datasheet PDF

OUTPUT

Output Voltage
12Vdc
Output Voltage Range
12Vdc ±0.5Vdc
Output Current
Max. 6.25A
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
≤200mV
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.)
91%
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 ≥13V, 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 Achieve the exemption level.
Marked features
DALI PUSH DIM

Technical drawings

LM-75-12-G1D2 Dimensions
Dimensions
LM-75-12-G1D2 DALI Connection
DALI Connection
LM-75-12-G1D2 Push DIM Connection
Push DIM Connection
LM-75-12-G1D2 Application of Protective Cover
Application of Protective Cover
LM-75-12-G1D2 Push Dimming
Push Dimming
LM-75-12-G1D2 Relationship Diagrams
Relationship Diagrams

Downloads

FAQ

What type of LED applications is the Ltech LM-75-12-G1D2 designed for?

The LM-75-12-G1D2 is a 75W constant-voltage LED driver with a 12VDC output, so it is intended for 12V LED lighting applications that require dimming control. It is suitable for indoor I, II, and III type lamp applications and is positioned for professional lighting projects where DALI-based control is needed.

Does this model support DALI2, and what dimming options does it offer?

Yes. This model supports DALI (IEC62386) and Push DIM interfaces. It provides 0-100% dimming with a maximum dimming depth of 0.1% and achieves the high frequency exemption level for flicker-free performance.

What are the main electrical ratings of the LM-75-12-G1D2?

This LED driver is rated at 75W with a 12VDC output and a rated current of 6.25A. Those specifications make it a constant-voltage option for 12V systems where stable output and DALI dimming are required.

Is this LED driver suitable for low-level dimming performance?

Yes. The LM-75-12-G1D2 supports dimming down to very low output levels, with a maximum dimming depth of 0.1%. That makes it a strong fit for applications where smooth low-end dimming is important.

What operating environment is this model intended for?

This model is designed for indoor use and has an operating temperature range of -20°C to 50°C. It complies with safety standards IEC/EN61347-1 and IEC/EN61347-2-13.

What protection and efficiency features does the LM-75-12-G1D2 include?

The driver 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 has standby power loss below 0.5W, which helps reduce idle energy consumption in controlled lighting systems.

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Ltech LM-75-12-G1D2 75W 12VDC CV DALI2 LED Driver 6.25A
Ltech

Ltech LM-75-12-G1D2 75W 12VDC CV DALI2 LED Driver 6.25A

Log in to see price

LM-75-12-G1D2 is the 12Vdc output model of this series: typical efficiency 91%.

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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