120-277vac Round Shape 12/24 volt 25w triac & 0 10v dimmable led driver for LED lighting
25W TRIAC & 0-10V dimmable LED power supply featuring an all-plastic housing design with excellent heat dissipation; compliant with global lighting safety standards, it offers smooth, stable, and flicker-free dimming across the 0–100% range.
Specification
| Model | SMT-R12025-VTD-P | SMT-R24025-VTD-P | |
| Certificate | UL pending / ROHS / SELV | ||
| Output | DC Voltage | 12V | 24V |
| Rated current | 2.08A | 1.04A | |
| Rated power | 25W | ||
| Voltage Tolerance | ±0.5V | ||
| Input | Voltage Range | 120-277VAC | |
| Frequency Range | 47 - 63Hz | ||
| Power Factor @ full load | ≥0.98@120VAC ≥0.91@277VAC | ≥0.97@120VAC ≥0.92@277VAC | |
| THD(Typ.) @ full load | ≤10%@120VAC ≤15%@277VAC | ≤15%@120VAC ≤20%@277VAC | |
| Efficiency @ full load | ≥74%@120VAC ≥73%@277VAC | ≥78%@120VAC ≥75%@277VAC | |
| AC Current (Max.) | 0.29A | ||
| 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. | -40~+50℃ (see below derating curve) | |
| 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 two ways of dimming at the same time, you must be assured that LED lighting is up to the max. Brightness then you could operate with the other dimming;
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.
Using one dimming ---0-10/ 1-10V/ 10V PWM/ Potentiometer dimming
Related Products
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This compact 5-in-1 dimmable constant-voltage LED driver is quick and easy to install; it is highly compatible with most TRIAC and 0-10V dimmers on the market, delivering smooth, stable, and flicker-free dimming.
Model: SMT-R12020-VTD-P Input Voltage: 100-277Vac
Dimming Mode: triac & 0 10v dimmable
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