If you are planning to buy high-quality CE certification 300W ip67 LED driver for tunnel light at low price from one of the professional China dc24-38v led driver,Website: , saa led driver, pwm led driver, 300w constant current led driver manufacturers, please feel free to contact Zhihe Xingye Electronics Co.,Ltd.Specifications led driver 7500ma 250W  Reasonable Price  Ripe design for Conventional Driver  Stable Property Waterproof IP67  CE RoHS FCC CB TUV listed ZH-HLB-250H Waterproof Constant Current led driver 7500ma 250W IP67 Advantage:  1.Constant Current waterproof led driver 7500ma 250W IP67   2.Reasonable price  3.Ripe design for conventional driver  4.3 years warranty 5.CE RoHs  6.Waterproof IP 67  7.Cooling by free air convection Detailed Product Description ModelZH-HLB-250HOutputDC Voltage30-48VCurrent Accuracy±5%Rated current7500mARated power200WInputVoltage Range90-277V/ACFrequency Range47~63HZPower Factor ( Typ.)PF ≥0.95 PFC can be customized!Full Load Efficiency(Typ.)88%AC Current(Typ.)70A/230VACLeakage current<0.75MA/277VACProtectionShort CircuitHiccup mode, recovers automatically after fault condition is removed.Over voltage≤280VACOver temperature85°C±10°C shut down o/p voltage, re-power on to recoverEnvironmentWorking TEMP.-40~+60°CWorking Humidity20~95%RH,non-condensingStorage TEM.,Humidity-40~+80°C,10~95%RHTEMP.coefficient±0.03%/°C(0~50°C)Vibration10~500Hz,5G 12min./1 cycle,period for 72min.each along X,Y,Z axes.Safety&EMCSafety standardsEN61347-2-13.IP67Withstand voltageI/P-O/P:3.75KVAC I/P-FG:1.88KVAC O/P-FG:0.5KVACIsolation resistanceI/P-O/P I/P-FG O/P-FG:100MΩ/500VDC/25°C/70%RHEMC EMISSIONCompliance toEN55015,EN61000-3-2 (≥50%load)EMC IMMUNITYCompliance to EN61000-4-2,3,4,5,6,8, 11,EN61547,Alight industry levelOthersWeight1.25KgSize240*67*42mm(L×W×H)packing325×224×176mm⁄10pcsNotes1.All parameters NOT specially mentioned are measured at220VAC input, rated load and 25°Cof ambient temperature.2.Ripple& noise are measured at 20MHz of bandwidth by using a 12"twisted12"twisted pair-wire terminated with a 0.1uf &47uf parallelcapacitor.3.Tolerance:includes set us tolerance,line regulation and load regulation .regulation.ZH-HLB-250H 7500mA conventional constant current driver Mechanical SpecificationCertifiactionsPackage