Closs Beta Direct
Installation
Surface mounted or suspended via a wire pendant. Wire installation uses friction locks on the luminaire. Luminaires with wire suspension need a counterbalance of a 1-cell luminaire (for wire suspension and counterbalance, see Accessories). 2-cell luminaire, supplied ready-balanced.
Connection
Three Ø 19 mm cable entries fitted with blanking grommets on the top of the luminaire, see dimension chart. Knock-outs at each end for surface mounted mains cable. 3-way snap-in terminal block in the centre of the luminaire. Luminaires for dimming, 5-way snap-in terminal block, 1-phase through-wiring possible.
Design
Luminaire body in sheet steel and end-caps of die-cast aluminium in a white (RAL 9016) structured or alu-grey (RAL 9006) structured finish.
Louvre
Beta – double parabolic reflector louvre with satin matt metallised aluminium side and cross blades, with excellent reflection characteristics (> 92 %), integrated into a single unit. The louvre remains attached when lowered. Earthed.
Reflector
The louvre acts as a reflector. The luminaire is also fitted with a top reflector.
Emergency lighting
Some variants are available with emLED. emLED is placed in the first louvre cell. A 300 mm blank module is required for conventional emergency for housing the battery and invertor.
Dimming
Most models can on request be equipped with other ballasts for dimming.