dimmable led driver transformer 24 volt dc input electronic power supply 300w for led
The SMT-024-300VDH is a 24v 300w high power supply. Its output current is 12.5A and this dimmable electronic power supply is for led. -40~+ 60°C is its Working TEMP.
Specification：
Model
SMT-012-300VDH
SMT-024-300VDH
Output
DC Voltage
12V
24V
Voltage Tolerance
±0.5V
Voltage Regulation
±0.5%
Voltage Tolerance
±0.5V
Load Regulation
±2%
±1%
±1%
Rated current
25.0A
12.5A
Rated power
300W
300W
Input
Voltage Range
100-277VAC
Frequency Range
47～63HZ
Power Factor（Typ.）@ full load
0.98@120VAC 0.97@277VAC
0.98@120VAC 0.97@277VAC
THD（Typ.）@ full load
<20%
Inrush Current （Typ.）
20A, 50%, 1.4ms
Full Load
Efficiency（Typ.）
>88%
>88%
AC Current（Typ.）
3.4A@110VAC
1.76A
1.76A
.A
1.74A
Leakage current
<0.50mA
Protection
Short Circuit
shut down o/p voltage, re-power on to recover after fault condition is removed
Over load
≤120% constant current limiting, auto-recovery
Over temperature
100℃±10℃ shut down o/p voltage, automatically recover after cooling.
Over Current
≤1.4*I out
Environment
Working TEMP.
-40～+60℃
Working Humidity
20～90%RH,non-condensing
Storage TEM.,Humidity
-40～+80℃，10～95%RH
TEMP.coefficient
±0.03%/℃（0～50℃）
Vibration
10～500Hz 2G 10min./1 cycle，period for 60min.each along X,
Y,Z axes
Safety&EMC
Safety standards
UL8750
Withstand voltage
I/P-O/P: 3.50KVAC
Isolation resistance
I/P-O/P：100MΩ/500VDC/25℃/70%RH
EMC EMISSION
Compliance to EN55015,EN61000-3-2 (≥50%load) / FCC Part 15 B
EMC IMMUNITY
EN61000-4-2,3,4,5,6,11（Surge 4KV）
Others
Weight
1.9Kg
Size
278*108*46mm (L*W*H)
packaging
10PCS/CTN
385*335*200mm 20PCS/CTN
Notes
1. All parameters NOT specially mentioned are measured at 110V/277VAC input , rated load and 25℃of ambient temperature.
2. Ripple& noise are measured at 20MHz of bandwidth by using a 12”twisted pair-wire terminated with a 0.1uf &47uf parallel capacitor.
3. Tolerance:includes set us tolerance,line regulation and load regulation .
Certifications
ETL/cETL,UL/CUL, CE,ROHS approval.
