SIRO, a primer range spun aluminium suspended luminaire. Having glare-free diffused LED light with an option of a prismatic diffuser is the key feature. A simple design with effective light distribution. The fixture is 300-mm in diameter and 350-mm in height. Based on RAL, custom paint and powder-coat options are available. Electrical Input Voltage : 180 - 280 AC 50Hz Driver Type : Constant Current Driver Control : Switch / DALI / Analog Connection : Plug-in Type Pre-wired General Characteristics Appliance Class : Class 2 Ingress Protection : IP40 Photobiological Safety : RG 0 - No Risk Ambient Temperature : 0 to +50 C Luminaire Housing Material : Spun Aluminium Environment: : Indoor Mounting : Ceiling Suspended Light Distribution : Direct Body Finish : Powder Coated Optics : PMMA / Acrylic Diffuser Driver Mount : Inside Canopy Cup Thermal Management : Passive Cooling Light Source LED : Medium Power LED Binning : 3 Step MacAdam Luminous Efficacy : 95 Lm/W Color Temperature : 2700K / 3000K / 4000K / 5700K / 6500K CRI : 80 (Standard) 90 (Optional) Tunable LED (Optional) UGR ; 50,000 hours