Waterproof LED Transformer 21W Constant Current 310mA 350mA

21w 18w 15w 11w constant current 300ma 500ma 600ma 700ma waterproof driver led with no pulsation for led panel light
1.3 years warranty
2. No pulsation
3. High efficiency up 87%
4. Protections: SCP, OPP, OVP, OTP
5. IP67
6.100% burn-in tests , full-round tests
7. Rated output can be customized
8. Smaller size
Model: YSC-21-310
DC Voltage: 40-70v
DC current: 310mA
Rated power: 21W
Input power: 90~130VAC / 170~250VAC
Efficiency: 87%
Size: 174*30*20mm
Warranty: 3 years
Packing: 0.2kg/pcs, 5pcs/ctn

Intallation and working environments:
Make sure work in proper environments are stated in this Guide.
Do not overload.
Avoid free of load while a power supply is powered on, keep proper loading
Always keep good ventilation
Do not mount on wood or flammable surface, keep minimum 5CM for LED power supplies each other.
Keep away from inflammable or explosive environments.
Key Application:
Suitable for LED electronic display screen, LED street lights, LED tunnel lights, LED bridge lights, LED panel lights, LED ceiling lights, moving sign application, etc.
Shipping Policy:
Samples checking: Sending by Express (DHL / UPS / FEDEX / TNT/EMS)
Bulk production: Sending out by cargo shipping / air freight / Express
What else can Yesok bring for you?
1. Professional introduction and analysis about led drivers & led chips
2.3 years warranty price, 5 years warranty design products
3. Rated current & voltage can be customized, like 320mA / 1500mA...32V...
4. Reliable quality as MW...But price cheaper 20%~30%
5. Efficiency high 3%~8% than most suppliers
6. OEM / ODM / Label service / Distributor
7. Unique outter case designs
8. Stock for popular models, like 12v/24v...1500mA/3000mA...
9. Each driver with 2~3 times burn-in tests <+40~+45° C, full load>
10.1~3 days reaction for customer's questions or quality feedback
11. Providing service from inquiry to after-sales (technical supports, market information share, shipment arrangement...)