Constant voltage LED Drivers For indoor use LMU-50VSeries, 50Watt FEATURES: Constant voltage output Nominal input voltage range: 100-240Vac Short circuit, overload, and over voltage temperature protections Designed to worldwide safety standards for lighting Cooling by free air convection 3 year warranty Model LMU50-V12 LMU50-V24 Nominal Input voltage (Vac) 100-240 Output voltage (Vdc) Output current (mA) Output power (W) Min. Max. 12 0 4160 50 24 0 2080 50 ELECTRICAL Input Parameters Symbols Test Conditions / Comment Min. Typ. Max. Units Input voltage Vin --- 90 -- 264 Vac Input frequency Fline --- 47 -- 63 Hz Input current Iin Full load, Vin =230Vac -- -- 0.3 A Inrush current Iinrush Cold start, Vin =230Vac -- -- 80 A Power factor PF 70%~100% load, Vin =220Vac -- 0.9 0.95 PF η Full voltage, full load 83 84 -- % LMU50-V12 -- 4160 -- mA LMU50-V24 -- 2080 -- mA LMU50-V12 11.4 12 12.6 V LMU50-V24 22.8 24 25.2 V Vin from 100Vac to 240Vac -- -- 1 % Efficiency Output Output current Iout Output voltage Vout Line regulation Iout-line www.pairuigroup.com Page: 1 / 3 Date: 08/18/2014 Constant voltage LED Drivers For indoor use LMU-50VSeries, 50Watt ELECTRICAL Output Parameters Symbols Test Conditions / Comment Min. Typ. Max. Units Load regulation Iout-load Vout from min. To max. -- -- 5 % Turn-on delay time Ton_delay Cold start, power on -- -- 2 S -- --- -- 300 400 mV Ripple Protection Overload Hiccup mode, it will recover automatically after fault condition is removed Short circuit Hiccup mode, it will recover automatically after fault condition is removed Over temperature Protection type: shut down o/p voltage recovers automatically after temperature goes down Over voltage Protection type: shut down and latch off O/P voltage, re-power on to recover Environment Storage Ambient operating temperature Maximum case temperature Operating relative humidity MTBF Tstorage Humidity: 5% RH to 95% RH -40 -- +80 ℃ Ta Startup at rated voltage -20 -- +45 ℃ Tc Hot-spot on case -- -- +80 ℃ Ha Non condensing 10 -- 95 % -- -- 300 kHrs TMTBF Full load, 220Vac input, ℃ 25 ambient temperature Dimension(LxWxH) 172.2x63x30mm Weight 294g Safety / EMC Safety standards IEC61347-1 EMI IEC55015 EMS IMMUNITY IEC61547 THD IEC61000-3-2 IEC61347-2-13 ℃ and Notes: Unless otherwise specified, all the above parameters are measured at ambient temperature of 25 Vin = 100Vac to 240Vac. www.pairuigroup.com Page: 2 / 3 Date: 08/18/2014 Constant voltage LED Drivers For indoor use LMU-50VSeries, 50Watt 63 53.4 MECHANICAL 136.5 30 172.2 Unit: mm www.pairuigroup.com Page: 3 / 3 Date: 08/18/2014