12 volt 24volt Electronic Dimmable Transformer for LED Lights
Our electronic transformer for led lights feature flexible input voltage (100-277VAC) and can be ordered in 12VDC or 24VDC outputs. Our power supplies can be used with a wide variety of in-line LED dimmers. All of our power supplies are energy efficient and eco friendly.
Specifications
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model |
SMT-012-036VTDSP |
SMT-024-036VTDSP |
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Output |
DC Voltage |
12VDC |
24VDC |
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Voltage Accuracy |
±5% |
±5% |
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Rated current |
3.0Amp |
1.5Amp |
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Rated power |
36W |
36W |
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Voltage Regulation |
±0.5% |
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Load Regulation |
±1% |
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Input |
Voltage Range |
100-277 VAC |
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Frequency Range |
47～63HZ |
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Power Factor ( Typ.） |
PF≧0.99/110V ; PF≧0.98/277V |
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Full Load Efficiency（Typ.） |
80%@120VAC 81%@277VAC |
81%@120VAC 82%@277VAC |
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THD(Typ. ) @ full load |
<10%@120VAC <15%@277VAC |
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AC Current（Typ.） |
0.55A |
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Inrush Current（Typ.） |
13A |
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Leakage current |
<0.5mA |
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Protection |
Short Circuit |
Hiccup mode, recovers automatically after fault condition is removed. |
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Over Loading |
≤120% shut down o/p voltage, re-power on to recover |
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Over temperature |
100℃±10℃ shut down o/p voltage, automatically recover after cooling. |
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Environment
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Working TEMP. |
-40～+60℃ |
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Working Humidity |
20～90%RH,non-condensing |
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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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Safety&EMC |
Safety standards |
UL8750 +UL1310,CAN/CSA-C22.2 No.250.13 |
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Withstand voltage |
I/P-O/P:1.88KVac |
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Isolation resistance |
I/P-O/P:100MΩ/500VDC/25℃/70%RH |
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EMC EMISSION |
FCC 47 CFR Part 15 ,Subpart B |
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EMC IMMUNITY |
Compliance to EN61000-4-2,3,4,5,6,,11, ,Alight industry level |
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Others |
Weight |
0.35Kg |
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Size |
260*32*20mm (L*W*H) |
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packing |
50PCS/CTN Carton size: 330*270*130mm |
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Notes |
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 . 3. The power supply is considered as a component that will be operated in combination with final Equipment. Since EMC performance will be affected by the complete installation, the final equipment manufactures must be-qualify EMC Directive on the complete installation again. |
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Mechanical Specification
Ø Input terminals "Black" and "White" to connect to AC L and N.
Ø Output LED SEC output Positive (LED+) , output negative(LED-). Connected to LED light.
Ø Output terminals DIM (+) to 0/1-10V dimmer signal(+ ),DIM (-) white connect to 0/1-10V dimmer signal (-)
Ø Please DO NOT connect “DIM-“ to “LED-“, “DIM+” to “ LED+” ,or other incorrect connection.
Ø Please make sure your connect these correctly otherwise your product will not function correctly and could be damaged.
Derating Curve
Ø Load carried in accordance with the load derating curve, according to the ambient temperature derating, in order to extend the service life.
Dimming Operation and Connecting Diagram
1. Using two ways of dimming at the same time
customers should be assured that LED lighting is up to the max. Brightness then you could operate with the other dimming;
2. Using one dimming ---TRIAC/Phase cut dimming
Ø The Pulse-Width Modulation (PWM) of output voltage can be adjusted through input terminal of the AC phase line(L) by connection a phase /Triac dimmer of lighting system.
Ø Working with forward phase /leading edge ,MLV and Reverse phase /trailing edge ,ELV,TRIAC dimmers
Ø Min loading is about 10%
Ø Please try to use dimmers with power at least 1.5 times as the output power of the driver.
3. Using one dimming ---0-10/1-10V dimming
Compatible Lighting Type
DirectAC LED Retrofit Kits provide a cost-efficient, reliable solution for wall sconces, ceiling luminaires, and vanities. DirectAC Universal Voltage (120-277V) Engine Refrofit Kit from Fulham Co. Inc can totally match with12v 24v transformer for led lights from SMARTSELEECTRONICS.
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These slim led transformer 12v dc are a compact solution for powering LED’s. Typically smaller, lighter and less expensive than magnetic drivers, an electronic LED driver may be preferred for installations where space is at a premium.
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