22172742 SMARTSIGN 190 MRCR-CORD SD2 WH Mounting unit for SMARTSIGN; ceiling-recessed cord suspension; double-sided version for fitting two display units; protection rating: IP20, optional protection rating IP40 with enclosed grommets (below the ceiling, IP20 in the ceiling); impact resistance: IK03; class of protection I; ceiling recess housing made of polycarbonate (PC); cord suspension adjustable up to 1.5 metres; suspension with 2 steel cords; power supply via additional power cable (included in delivery). Easy fitting of the display unit thanks to hinge mechanism. Integrated 1.5 mm² terminal block for simple wiring and through-wiring; maximum cable length from emergency power source to last luminaire: 200 m.