Unit ref
A
aperture Sq mm
B
Upstand height mm
C
length mm
SKR 200/250
440
 150 1800
SKR 300/315
 510 150 1800
SKR 350
640
150
1800
SKR 400/450
750
150
1800
SKR 500/560
890
150
1800
SKR 630/710
1000
150
1800
SKR 800
1130 
150
1800
SKR 1000
1370
150
1800


*All dimensions indicated are nominal and subject to design change.
  The right to alter specification is reserved.