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 Vout-line www.pairuigroup.com Page: 1 / 3 Date: 07/18/2015 Constant voltage LED Drivers For indoor use LMU-50VSeries, 50Watt ELECTRICAL Output Parameters Symbols Test Conditions / Comment Min. Typ. Max. Units Load regulation Vout-load Vout from min. To max. -- -- 5 % Turn-on delay time Ton_delay Cold start, power on -- -- 2 S Vripple --- -- 300 400 mV Ripple Protection Overload Typical: 110%-150%, hiccup mode 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) 172.2 x 63.0 x 30.0mm 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: 07/18/2015 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: 07/18/2015