General
Outside height	142 mm
Outside width	200 mm
Inner height	49 mm
Inner width	104 mm
Length	750 mm
Useful cross section	5096 mm²
Number of flame durable sides	4
Material insulating material	Other
Sheathing	Steel
Surface protection	Continuously galvanized and coated
Colour	Other
Cover attachment	Screw tight
Partitions possible
Mounting perforation in bottom
Suitable for outdoor installation

Fire protection duct functional integrity E60/E30 FWK 90 50x110mm L=0.75m galvanized. Fire-resistant cable routing duct FWK90 - E60 in accordance with DIN 4102-12 for functional integrity during wall and ceiling installation and E30 in accordance with DIN 4102-12 for functional integrity during suspended installation. Duct base with removable and multiple screwable duct top. General building inspection certificate P-MPA-E-99-062 or P-BWU-I 17.9.2.