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The OTM-DD50-24, a 50W ETL-certified LED power supply designed for quick installation, redefines ease of use in indoor lighting installation.
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This 50W constant-voltage LED driver innovatively uses lever-operated push-button terminals, allowing installers to complete wiring without any tools, significantly saving labor costs and time. With its ETL certification and IP20 rating, it is the preferred safe power supply for indoor cabinet lighting, linear strip lighting, and decorative lighting projects in the North American market.
As a professional LED driver manufacturer, OTTIMA is committed to providing high-quality, cost-effective power solutions. We understand that industry benchmarks like Mean Well set high standards, and our OTM-DD50-24 offers the same level of reliability while focusing on saving you actual installation costs through innovative designs such as lever terminals.
·Output constant Voltage
·Range: 100-277VAC
·Built-in active PFC function
·Efficiency up to 82%
·Protections: short circuit/over load /over temperature
·Cooling by free air convection
·IP20 design for indoor installation.
·Dimming function: Built in DALI interface dimming function conform
to DALI Protocol IEC62386
·Push dimming function
·Dimming range: 0-100%, LED start at 0.1% possible
·Suitable for intelligent LED lighting
Model | OTM-DD50-12 | OTM-DD50-24 | |
Output | DC Voltage | 12V | 24V |
Voltage Tolerance | ±0.5V | ||
Voltage Regulation | ±0.5% | ||
Rated current | 4.16A | 2.08A | |
Rated power | 50W | ||
Load Regulation | ±2% | ||
Input | Voltage Range | 100-277VAC | |
Frequency Range | 47 - 63Hz | ||
Power Factor(Typ.)@ full load | PF≥0.96 / 120VAC PF≥0.9/ 230VAC (Full loading) | ||
THD(Typ.)@ full load | <20% | ||
Efficiency(Typ.)@ full load | 77% | 82% | |
AC Current(Max.) | 0.32A | ||
Inrush Current (Typ.) | 1.48A/120VAC 16A/230VAC | ||
Leakage current | <0.5mA | ||
Protection | Short Circuit | constant current mode, recover automatically after fault condition is removed | |
Over Load | ≤120% constant current limiting, recover automatically after fault condition is removed | ||
Over temperature | 100℃±10℃ | ||
Protection Class | II | ||
Environment | Working TEMP. | -40~+60℃ (see below derating curve) | |
Working Humidity | 20 - 95%RH ,non-condensing | ||
Storage TEM.,Humidity | -40 - +80℃,10 - 95%RH | ||
TEMP.coefficient | ±0.03%/℃(0 - 50℃) | ||
Vibration | 10~500Hz, 2G 10min./1 cycle,period for 60min. each along X,Y,Z axes | ||
Safety & EMC | Safety standards | EN61347-1:2015 EN61347-2-13:2014 EN62493:2010 IP20 | |
Withstand voltage | I/P-O/P:3.75KVAC | ||
Isolation resistance | I/P-O/P:100MΩ/500VDC/25℃/70%RH | ||
EMC Emission | EN55015 EN61000-3-2 EN61000-3-3 | ||
EMC Immunity | EN61000-4-2,3,4,5,6 ,11, EN61547 | ||
Others | Net Weight | 0.21KG | |
Dimension | 185*63.5*22mm (L*W*H) | ||
packing | 40*30*500px /100PCS/CTN | ||
Notes | 1. All parameters NOT specially mentioned are measured at 230VAC input , rated load and 25℃of ambient temperature. 2. Tolerance: includes set up 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. | ||

※Input terminal with Live Wire(L) , Neutral Wire (N)
※Output LED SEC (LED+), output negative (LED). Connected to LED Lamps
※Dimming wires are installed for Dimming terminals (No polar) and are connected to the DALI BUS when use DALI function .
wire (N) is connected to AC (N) while and wire (L) is connected to Push dim switch dimmer( L) when use Push function.
※Please make sure you connect these correctly otherwise your product will not function correctly and could be damaged.
Any other requests we can customize.
Suggested wire diameter: primary: 0.5-2.5mm²; Secondary: 0.5-2.5mm²

※To extend their life, please refer to the Derating Curve and derate according to the temperature.
1)This driver should be installed by qualified and professional person;
2)Please make sure the driver is installed with adequate ventilation around it to allow for heat dissipation.
3)Ensure that wiring is correct before test in order to avoid light and power supply damage;
4)If driver Cannot work normally, don’t maintain privately; Have any question, please contact us.



