262YF-05-05
Application for accommodations with required fire rating A60.

WxH nominal size	W2XH2 opening size of bulkhead	frame size			W6 rail length
		W1xH1	W3xH3	W4xH4
630x500	716x586	710x580	746x616	770x640	1350
900x630	986x716	980x710	1016x746	1040x770	1890
1100x800	1186x886	1180x800	1216x916	1240x940	2290
1400x1000	1486x1080	1480x1080	1516x1116	1540x1140	2890
1800x1100	1886x1186	1880x1180	1916x1216	1940x1240	3690

Identification example:
A60 fireproof service window with clear size of 1800x1100mm:
A60 fireproof service window 1800x1100 261YF-05-05