300W 12VDC Pulse-Width Modulation led power supply
The pwm dimmable led power supply are suitable for dry, damp& wet location.
Pulse-width modulation led driver compliance to EN61000-4-2,3,4,5,6,8,11,EN61547,Alight industry level （surge4KV).
Specification
Model
SMT-012-300VDHW
SMT-024-300VDHW
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
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
Class P, Type HL, EN61347-1 EN61347-2-13 IP67
Withstand voltage
I/P-O/P:3.75KVAC I/P-FG:1.88KVAC O/P-FG:0.5KVAC
Isolation resistance
I/P-O/P I/P-FG O/P-FG：100MΩ/500VDC/25℃/70%RH
EMC EMISSION
Compliance to EN55015,EN61000-3-2 (≧50%Load)
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11,EN61547,Alight industry
level （surge4KV）
Others
Weight
1.75Kg
Size
276*78*47mm (L*W*H)
packaging
10PCS/CTN
385*335*200mm 20PCS/CTN
Notes
1. All parameters NOT specially mentioned are measured at 120VAC & 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 .
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Mechanical Specification
Connection Diagram
Compatible Lighting Type
Smart's pwm controlled led driver got CE,UL, RoHS,FCC,Class p ,type HL certification have 7 years warranty.
They can matched well with AQ Lighting Group company's PWSL-R12 bullet spotlight.
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SMT-012-300VTHW is pulse-width modulation technology for house lighting. Driver led 12v are compatible with wide range of light strips.
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