Band is a ring type luminaire with acrylic illuminators on the top and bottom. The centre metal can be powder coated as per RAL standards. Luminaire is suspended from the ceiling with three strings. Available with only Direct / Indirect illuminators. 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 +50C Luminaire Housing Material : Aluminium Environment : Indoor Mounting : Ceiling Suspended Light Distribution : Direct & Indirect Body Finish : Powder Coated Optics : Acrylic Diffuser Driver Mount : Inside Canopy Cup Thermal Management : assive 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 : < 19 LED Life : > 50,000 hours