Features:Constant Voltage + Constant Current mode outputMEAN WELL patented circular metal housing with classⅠdesign(Patent No.:CN201220314551)Built-in active PFC functionIP67 / IP65 rating for indoor or outdoor installationsFunction options: output adjustable via potentiometer; 3 in 1 dimming;DALITypical lifetime > 50000 hours5 years warrantyGeneral Specification:AC input voltage range:90~305VAC 127~431VDC(please refer to "STATIC CHARACTERISTIC" sectionAC inrush current (Typ.):COLD START 75A (twidth =680μs measured at 50% Ipeak) at 230VAC ;per NEMA 410AC adjustment range:24V: 6~10A ,36V: 4~6.7A, 48V: 3~5A, 60V: 2.4~4AOver voltage protection:24V: 27~34V ,36V: 43~52V ,48V: 52~63V, 60V: 62~85V, ,Shut down and latch off o/p voltage , re-power on to recoverOver current protection: 95~108% Constant current limiting, recovers automatically after fault condition removedOver temperature protection: Shut down o/p voltage, recovers automatically after temperature goes downWithstand voltage:I/P-O/P: 3.75KVAC ,I/P-F/G: 2KVAC ,O/P-F/G: 0.5KVACWorking temperature: Ta=-40 ~ +75ºC (please refer to "OUTPUT LOAD vs TEMPERATURE"sectionSafety standards:UL8750,CSA C22.2 No.250.13-12;ENEC EN61347-1,EN61347-2-13,EN62384,GB19510.1,GB19510.14,BIS IS 15885(for 48A ,60A only), EAC TP TC 004 IP65 or IP67 approvedEMC standards: Compliance to EN55015, EN61000-3-2 Clss C (@load≧75%）；EN61000-3-3,GB17743,GB17625.1; Compliance to EN61000-4-2,3,4,5,6,8,11, EN61547, light industry level(surge immunity :Line-Earth:4KV,Line-Line:2KV),EAC TP TC 020Isolation resistance:I/P-O/P,I/P-F/G,O/P-F/G: 100M Ohms/500VDC/25ºC/70% RHDimension (DxH) (mm):191.5x 69