Round Shape 12v 24v 20w dimmable constant voltage led driver power supply for led lights
Universal input voltage range 120-277vac triac dimmable led driver, featuring built-in active PFC function, all-plastic housing design, good heat dissipation, compliance with global safety lighting regulations, and a 7-year warranty.
Specification
| Model | SMT-R12020-VT-P | SMT-R24020-VT-P | |
| Certificate | UL pending / ROHS / SELV | ||
| Output | DC Voltage | 12V | 24V |
| Rated current | 1.67A | 0.83A | |
| Rated power | 20W | ||
| Voltage Tolerance | ±0.5V | ||
| Input | Voltage Range | 120-277VAC | |
| Frequency Range | 47 - 63Hz | ||
| Power Factor @ full load | ≥0.98@120VAC ≥0.89@277VAC | ≥0.97@120VAC ≥0.91@277VAC | |
| THD(Typ.) @ full load | ≤10%@120VAC ≤15%@277VAC | ≤15%@120VAC ≤25%@277VAC | |
| Efficiency @ full load | ≥75%@120VAC ≥73%@277VAC | ≥78%@120VAC ≥72%@277VAC | |
| AC Current (Max.) | 0.23A | ||
| Inrush Current (Typ.) | 1.92A, 68us @50%Ipeak 120VAC 6.08A, 44us @50%Ipeak 277VAC | ||
| Protection | Short Circuit | Hiccup mode, recovers automatically after fault condition is removed. | |
| Over Load | 105%~120% Hiccup mode, recovers automatically after fault condition is removed. | ||
| Over temperature |
Ambient temperature over 55℃±5℃, output reduce to 50%; Ambient temperature over 60℃±5℃, output off; When the temperature is reduced to 45℃±5℃ the output returns to 100%. |
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| Environment | Working TEMP. (Ta) | -40~+50℃ (see below derating curve) | |
| Case Temperature (Tc) | 85℃ | ||
| Working Humidity | 20 - 90%RH non-condensing | ||
| Storage TEM.,Humidity | -40 - +80℃,10 - 95% RH non-condensing | ||
| TEMP.coefficient | ±0.03%/℃(0 - 50℃) | ||
| Vibration | 10 ~ 500Hz, 2G 12 minutes/cycle, X Y Z axis 72 minutes each | ||
| Safety & EMC | Safety standards | UL8750; CAN/CSA-C22.2 No.250.13 | |
| Withstand voltage | I/P-O/P:1.88KVAC | ||
| Isolation resistance | I/P-O/P:100MΩ / 500VDC / 25℃ / 70% RH | ||
| EMC Immunity | FCC/ICES do not request this test. | ||
| EMC Emission | FCC 47 CFR Part 15, Subpart B | ||
| Surge Immunity Test | AC Power Line: Differential Mode 1KV | ||
| Others | Net Weight | 0.15KG | |
| Dimension | 69.4*62.9*24mm(Φ*W*H) | ||
| Packing | 385*290*190mm 80pcs/CTN | ||
| Notes | 1. All parameters NOT specially mentioned are measured at rated load for 120VAC and 25℃of ambient temperature. | ||
| 2. Derated output is required at low input voltage to ensure long service life. | |||
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Mechanical Specification
| When the input voltage is 120Vac, the number of LED Driver matched by circuit breakers is as follows: | ||
| MCB Type | Level | The number of LED Driver |
| B type | 10A | 66 |
| 13A | 86 | |
| 16A | 105 | |
| 20A | 132 | |
| When the input voltage is 277Vac, the number of LED Driver matched by circuit breakers is as follows: | ||
| MCB Type | Level | The number of LED Driver |
| B type | 10A | 125 |
| 13A | 163 | |
| 16A | 200 | |
| 20A | 250 | |
| When the input voltage is 120Vac, the number of LED Driver matched by circuit breakers is as follows: | ||
| MCB Type | Level | The number of LED Driver |
| C type | 10A | 66 |
| 13A | 86 | |
| 16A | 105 | |
| 20A | 132 | |
| When the input voltage is 277Vac, the number of LED Driver matched by circuit breakers is as follows: | ||
| MCB Type | Level | The number of LED Driver |
| C type | 10A | 140 |
| 13A | 183 | |
| 16A | 225 | |
| 20A | 281 | |
Note：
1. The above quantities of the led drivers connected on the Type C is recommended base on the maximum ambient temperature is 50 °C.
2. The breaker should be selected according to the input rated voltage, input rated current, ambient temperature, and trip characteristic curve.
| American wire gauge | |
| Input wire | 1015 2*18 AWG 0.824mm2\Black(L),White(N) |
| Output wire | 1015 2*22 AWG 0.326mm2\Red(V+),Black(V-) |
| Dimming electroni wire | 1015 2*22 AWG 0.326mm2\Purple(DIM+),Pink(DIM-) |
Dimming Operation
Using one dimming ---TRIAC/Phase cut dimming
1. 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 or lighting system.
2. Working with Forward phase, MLV and Reverse phase, ELV, TRIAC dimmers or light system.
3. Min. loading is about 10%
4. Please try to use dimmers with power at least 2 times as the output power of the driver.
Related Products
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20W TRIAC & 0 10V dimmable LED power supply, housed in a circular plastic casing, boasts excellent heat dissipation and complies with global safety lighting regulations. Ideal for installation in indoor confined spaces, it comes with a 7-year warranty
Model: SMT-R12020-VTD-P Input Voltage: 100-277Vac
Dimming Mode: triac & 0 10v dimmable
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