UL Class2 certified 12v 2.5a led driver ac to dc triac dimmable led power transformer
Dimmable led transformer 12v is full-digital circuit design, more outstanding performance and life PWM digital dimming, do not change the LED color rendering index.Stepless dimming,really no flicker.Class 2 security isolation power supply Compliant with SELV(Safety Extra Low Voltage) standard.
Feature
·Output constant voltage
·Input voltage range 100-277VAC
·UL, cUL listed, Class 2, Class P approval
·Built-in PFC function / Efficiency > 80% / PF> 0.99
·Dimming range: 0~100% / load:10~100%
·Protections:short circuit/over voltage/over heat
·IP67 design for indoor dry or damp environment installations
·Cooling by free air convection
·Work with leading edge and trailing edge triac dimmers available
·PWM output, does not change the color index
·Full protection aluminum housing, for dry, damp, wet location
·Strong compatibility, flicker-free dimming
·Suitable for LED lighting and moving sign applications
·Compliance to worldwide safety regulations for lighting
·7 years warranty
Specification
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model
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SMT-012-030VTSW
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SMT-024-030VTSW
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Output
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DC Voltage
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12VDC
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24VDC
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Voltage Accuracy
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±5%
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±5%
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Rated current
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2.5Amp
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1.25Amp
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Rated power
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30W
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30W
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Voltage Regulation
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±0.5%
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Load Regulation
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±1%
±1%
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Input
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Voltage Range
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100-277 VAC
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Frequency Range
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47～63HZ
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Power Factor ( Typ.）
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PF≧0.99/110V ; PF≧0.98/277V
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Full Load Efficiency（Typ.）
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>79%
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>81%
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AC Current（Typ.）
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0.5A/100VAC / 0.13A/277VAC
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Inrush Current（Typ.）
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7A, 50%, 420us
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Leakage current
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<0.27mA/110VAC; ﹤0.25mA/277VAC
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Protection
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Short Circuit
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Hiccup mode, recovers automatically after fault condition
is removed.
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Over Loading
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≤120% shut down o/p voltage, re-power on to recover
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Over temperature
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100℃±10℃ shut down o/p voltage, automatically recover after cooling.
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Environment
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Working TEMP.
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-40～+60℃
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Working Humidity
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20～90%RH,non-condensing
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Storage TEM.,Humidity
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-40～+80℃，10～95%RH
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TEMP.coefficient
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±0.03%/℃（0～50℃）
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Vibration
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10～500Hz，2G 10min./1 cycle，period for 60min.
each along X,Y,Z axes
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Safety&EMC
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Safety standards
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UL8750+UL1310
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Withstand voltage
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I/P-O/P:2KVAC
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Isolation resistance
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I/P-O/P：100MΩ/500VDC/25℃/70%RH
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EMC EMISSION
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FCC Part 15 B
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EMC IMMUNITY
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Compliance to EN61000-4-2,3,4,5,6,,11, ,
Alight industry level
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Others
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Weight
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0.35Kg
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Size
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260*32*20mm (L*W*H)
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packing
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50PCS/CTN
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Notes
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1. All parameters NOT specially mentioned are measured at 110VAC, 277VAC input ,
Rated load and 25℃of ambient temperature.
2. Tolerance:includes set us tolerance,line regulation and load regulation .
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Mechanical Specification
Input:18AWG Black and White to be connected to AC L and N ,Green wire go ground,
Output: Red is（DIM+）,Black is（DIM-）
Derating Curve
Connecting Diagram
Simple Connecting Diagram
