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Ltech

LTECH SE-40-300-1050-G1T 40W 300mA ~ 1050mA CC Triac LED Driver

SKU SE-40-300-1050-G1T
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Overview

SE-40-300-1050-G1T is the 9-42Vdc output model of this series.

Features

  • The housing is made from V0 flame retardant PC materials from SAMSUNG/COVESTRO.
  • Small size and light weight. The clamshell design and screwless type for strain-relief.
  • Support Leading edge(Triac), Trailing edge(ELV).
  • With soft-on and fade-in dimming function, enhancing your visual comfort.
  • T-PWM™ dimming technology allows continuous and flicker-free images under high-speed photography.
  • Dimming from 0~100%, down to 0.01%.
  • The whole dimming process is flicker-free with high frequency exemption level.
  • Multiple current levels and wide voltage range. Suitable for different power of LEDs.
  • Class 2 LED driver, Safety Extra Low Voltage (SELV).
  • Innovative thermal management technology intelligently protects the life of the LED driver.
  • Overheat, overload, short circuit protection and automatic recovery.
  • Suitable for ClassⅠ/Ⅱ/Ⅲ indoor light fixtures.
  • Up to 50,000-hour life time.
  • 5-year warranty (Rubycon capacitor).

Specifications

SE-40-300-1050-G1TSpecifications from the official datasheetDownload datasheet PDF

Features

Output Type
Constant Current
Dimming Interface
Triac/ELV
Output Feature
Isolation
Protection Grade
IP20
Insulation Grade
Class II (Suitable for class I/ II /III light fixtures)

OUTPUT

Output Voltage
9-42Vdc
Maximum output voltage
≤55V
Output Current Range
300-1050mA
Output Power Range
2.7W-40W
Dimming Range
0~100%, down to 0.01%
LF Current Ripple(<120Hz)
<3%
Current Accuracy
±5%
Ripple & Noise
≤5V
PWM Frequency
3600Hz

INPUT

DC Voltage Range
200-280Vdc
Input Voltage
220-240Vac
Frequency
50/60Hz
Input Current
≤0.22A/230Vac
Power Factor
PF>0.95/230Vac, at full load
THD
THD<10%/230Vac, at full load
Efficiency (Typ.)
>88%@950mA
Inrush Current
16A (twidth=90us, tested under 50% Ipeak) / 230Vac
Anti Surge
L-N: 2kV
Leakage Current
<0.5mA/230Vac

ENVIRONMENT

Working Temperature
ta: -20~45°C tc: 90°C
Working Humidity
20~95%RH, non-condensing
Storage Temperature/Humidity
-40~80°C/10~95%RH
Temperature Coefficient
±0.03%/°C (-20~45°C)
Vibration
10~500Hz, 2G 12min/1cycle, 72 min for X, Y and Z axes respectively

PROTECTION

Overload Protection
Shut down the output and recover automatically once it exceeds 1.02-1.35 times of the rated power
Overheat Protection
Intelligently adjust or turn off the current output if the PCB temperature ≥110°C. When the PCB temperature <90°C, automatically recover normal output
Short Circuit Protection
When short circuit occurs, shut down the output and recover automatically
Withstand Voltage
I/P-O/P: 3750Vac
Insulation Resistance
I/P-O/P: 100MΩ/500VDC/25°C/70%RH

SAFETY & EMC

Safety Standards
ParameterStandardTest Level
CCCChinaGB19510.1, GB19510.14
TUVGermanyEN61347-1, EN61347-2-13, EN62493
CEEuropean UnionEN61347-1, EN61347-2-13, EN62384
KCKoreaKC61347-1, KC61347-2-13
RCMAustraliaAS61347-1, AS61347-2-13
ENECEuropeEN61347-1, EN61347-2-13, EN62384
CBCB Member StatesIEC61347-1, IEC61347-2-13
EACRussiaIEC61347-1, IEC61347-2-13
BISIndiaIS 15885(PART 2/SEC 13)
EMC Emission
ParameterStandardTest Level
CCCChinaGB/T17743, GB17625.1
CEEuropean UnionEN55015, EN61000-3-2, EN61000-3-3, En61547
KCKoreaKN15, KN61547
RCMAustraliaEN55015, EN61000-3-2, EN61000-3-3, EN61547
EACRussiaIEC 62493, IEC 61547, EH 55015, IEC 61000-3-2, IEC 61000-3-3
EMC Immunity
EN6100-4-2,3,4,5,6,8,11, EN61547

ErP

Power Consumption Standby power consumption
No standby mode
Power Consumption Networked standby
No networked standby mode (No Phase-cut signal, no power consumption)
Power Consumption No-load power consumption
Without no-load mode
Flicker/Stroboscopic Effect IEEE 1789
Meet IEEE 1789 standard/High frequency exemption level
Flicker/Stroboscopic Effect CIE SVM
Pst LM≤1.0, SVM≤0.4
DF Phase factor
DF≥0.9

OTHERS

Weight(N.W.)
163g±10g
Dimensions
142×40×23mm(L×W×H)

Certifications & ratings

Marked features
T-PWM Dimming Technology, Multiple Current

Technical drawings

SE-40-300-1050-G1T LED Current Selection
LED Current Selection
SE-40-300-1050-G1T Product Size
Product Size
SE-40-300-1050-G1T Dimensions (mm)
Dimensions (mm)
SE-40-300-1050-G1T Product Size (2)
Product Size (2)
SE-40-300-1050-G1T Triac Connection
Triac Connection
SE-40-300-1050-G1T ELV Connection
ELV Connection
SE-40-300-1050-G1T Protective Housing Application Diagram
Protective Housing Application Diagram
SE-40-300-1050-G1T Installation Precautions
Installation Precautions
SE-40-300-1050-G1T Relationship Diagrams
Relationship Diagrams
SE-40-300-1050-G1T OutputVoltage[V]
OutputVoltage[V]
SE-40-300-1050-G1T Efficiency[%]
Efficiency[%]
SE-40-300-1050-G1T OutputVoltage[V]
OutputVoltage[V]
SE-40-300-1050-G1T Flicker Test Form
Flicker Test Form
SE-40-300-1050-G1T Packaging Image
Packaging Image

Downloads

FAQ

What type of LED load is the LTECH SE-40-300-1050-G1T designed for?

The SE-40-300-1050-G1T is a constant current Triac LED driver for LED applications that require controlled current rather than constant voltage. It is intended for dimmable lighting projects where phase-cut dimming compatibility is important.

Does this driver support both leading-edge and trailing-edge dimming?

Yes. This model supports both leading-edge (Triac) and trailing-edge (ELV) phase-cut dimming. That makes it a practical option for projects where the dimmer type may vary across commercial or residential environments.

What are the key electrical ratings of this LED driver?

This model is rated at 40W maximum power and has a maximum output voltage of ≤55V. Its product name identifies it as a 300mA to 1050mA constant current Triac LED driver, which is the main output class buyers should verify against the fixture requirement.

Is this model suitable for projects that need smooth low-end dimming?

Yes. The product supports 0 to 100% dimming with dimming down to 0.01%. It also uses LTECH T-PWM dimming technology for continuous, flicker-free images under high-speed photography.

What operating environment is this driver rated for?

The stated operating temperature range is -20°C to 45°C. Buyers should make sure the finished lighting environment stays within that range for normal operation and warranty alignment.

What construction and durability features does this model offer?

The housing is made from V0 flame-retardant PC materials identified as SAMSUNG/COVESTRO in the product description. This model is designed for long-life commercial lighting specifications.

Payment & Security

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LTECH SE-40-300-1050-G1T 40W 300mA ~ 1050mA CC Triac LED Driver
Ltech

LTECH SE-40-300-1050-G1T 40W 300mA ~ 1050mA CC Triac LED Driver

Log in to see price

SE-40-300-1050-G1T is the 9-42Vdc output model of this series.

Features

  • The housing is made from V0 flame retardant PC materials from SAMSUNG/COVESTRO.
  • Small size and light weight. The clamshell design and screwless type for strain-relief.
  • Support Leading edge(Triac), Trailing edge(ELV).
  • With soft-on and fade-in dimming function, enhancing your visual comfort.
  • T-PWM™ dimming technology allows continuous and flicker-free images under high-speed photography.
  • Dimming from 0~100%, down to 0.01%.
  • The whole dimming process is flicker-free with high frequency exemption level.
  • Multiple current levels and wide voltage range. Suitable for different power of LEDs.
  • Class 2 LED driver, Safety Extra Low Voltage (SELV).
  • Innovative thermal management technology intelligently protects the life of the LED driver.
  • Overheat, overload, short circuit protection and automatic recovery.
  • Suitable for ClassⅠ/Ⅱ/Ⅲ indoor light fixtures.
  • Up to 50,000-hour life time.
  • 5-year warranty (Rubycon capacitor).
View product

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