Smarts Electronics offered 277vac power supply from 30watts to 300watts available with isolated circuits and overload protection. With PWM output & High PF>0.99 & High efficiency>87%.
This series is an excellent quality UL/cUL Listed dimmable power supply. Compatible with most popular dimmer including Lutron, Leviton and most other household dimmers. Can be used for many LED lights and other applications. Requires no minimum load and it is very quite without any buzz or humming noise.
Usually, we ship samples within 7 days. If you need samples urgently please contact us before ordering to insure that delivery meets your needs.
Specification for 300w power supply
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SMT-012-300VTH |
SMT-024-300VTH |
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Output |
DC Voltage |
12V |
24V |
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Voltage Tolerance |
±0.5V |
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Voltage Regulation |
±0.5% |
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Voltage Tolerance |
±0.5V |
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Load Regulation |
±2% |
±1% |
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Rated current |
25.0A |
12.5A |
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Rated power |
300W |
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Input |
Voltage Range |
100-277VAC |
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Frequency Range |
47～63HZ |
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Power Factor（Typ.）@ full load |
0.98@120VAC 0.97@277VAC |
0.98@120VAC 0.97@277VAC |
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THD（Typ.）@ full load |
<20% |
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Inrush Current （Typ.） |
20A, 50%, 1.4ms |
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Full Load Efficiency（Typ.） |
>88% |
>88% |
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AC Current（Typ.） |
3.4A@110VAC |
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Leakage current |
<0.50mA |
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Storage TEM.,Humidity |
-40～+80℃，10～95%RH |
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TEMP.coefficient |
±0.03%/℃（0～50℃） |
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Vibration |
10～500Hz 2G 10min./1 cycle，period for 60min.each along X,Y,Z axes |
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EMC EMISSION |
Compliance to EN55015,EN61000-3-2 (≥50%load) / FCC Part 15 B |
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EMC IMMUNITY |
EN61000-4-2,3,4,5,6,11（Surge 4KV） |
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Others |
Weight |
1.9Kg |
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Size |
278*108*46mm (L*W*H) |
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packaging |
10PCS/CTN |
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Mechanical Specification for 24 volt dc power supply
Dimming Operation for electronic power supply
