Round Shape 20W Plastic Constant Voltage LED Power Supply 7-Year Warrantied
Small yet tough. The space-saving plastic housing fits narrow cavities and is built for damp areas like bathrooms and covered exteriors. Active PFC and overload/short-circuit protection deliver safe, efficient operation at up to 86% efficiency. No fan, no noise — just steady convection cooling. A dependable, bulk-free 20W driver backed by a 7-year warranty.
Specification
| Model | SMT-R12020-ND-P | SMT-R24020-ND-P | SMT-R48020-ND-P | |
| Certificate | UL / FCC / ICES-005 / Class P / Class 2 / SELV | |||
| Output | DC Rate Voltage | 12V | 24V | 48V |
| Voltage Tolerance | ±3% | ±2% | ±2% | |
| Load Regulation | ±2% | ±1% | ±1% | |
| Voltage Regulation | ±0.5% | |||
| Rated current | 1.67A | 0.83A | 0.42A | |
| Rated power | 20W | |||
| Overshoot | 10% | 5% | 5% | |
| Input | Voltage Range | 120-277VAC | ||
| Frequency Range | 50 / 60Hz | |||
| Power Factor @ full load | >0.85 | |||
| THD(Typ.) @ full load | ≤10%@120VAC ≤15%@277VAC | |||
| Efficiency @ full load |
82%@120VAC 82%@277VAC |
85.5%@120VAC 85.5%@277VAC |
86%@120VAC 85%@277VAC |
|
| AC Current (Max.) | 0.22A | |||
| Inrush Current (Typ.) | 2.28A, 35us @50%Ipeak 120VAC 4.68A, 40us @50%Ipeak 277VAC | |||
| Leakage current | <0.5mA | |||
| Protection | Short Circuit | Shut down o/p voltage, recovers automatically after fault condition is removed. | ||
| Over Load | 105%~110% Hiccup mode, recovers automatically after fault condition is removed. | |||
| Environment | Working TEMP. (Ta) | -40~+50℃ | ||
| Case Temperature (Tc) | 90℃ | |||
| 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 10 minutes/cycle, X Y Z axis 72minutes 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 Part 15 Subpart B; ANSI C63.4:2014+A1:2017; ICES-005 Issue 5; NMB-005 | |||
| Surge Immunity Test | AC Power Line: Differential Mode 2 kV | |||
| Others | Net Weight | 0.138KG | ||
| Dimension | 69.4*62.9*24.0mm (Φ*W*H) | |||
| Packing | 385*290*190mm 80pcs/CTN | |||
| Notes | 1. Unless otherwise specified, all specifications are measured at120V input, rated load, and 25℃ ambient temperature. | |||
| 2. Use only within an enclosure; DOIT ÊTRE INSTALLÉ DANS UNE ENCEINTE. | ||||
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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 |
|
C type(breaking capacity:6KA) |
10A | 40 |
| 13A | 52 | |
| 16A | 64 | |
| 20A | 81 | |
| 25A | 101 | |
| 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(breaking capacity:6KA) |
10A | 83 |
| 13A | 108 | |
| 16A | 133 | |
| 20A | 166 | |
| 25A | 208 | |
Dimming Operation
Related Products
The 20W round LED driver handles both TRIAC and 0-10V dimming, fitting residential and commercial installs alike on a 120–277VAC input. Active PFC and up to 86% efficiency keep it efficient; short-circuit and overload protection add safety. Fanless free-air convection cooling runs silent, and the full-plastic housing is dry/damp-location rated. A versatile dimmable choice backed by a 7-year warranty.
Mode：SMT-R12020-VTD-P intput voltage：100-277vac
Size : 69.4*62.9*24.0mm |
