75WL Circuit Breaker Selection and Application Guide
Frame Size 2 and 3
Door Cut-outs
Low Voltage Circuit Breaker
UL489 Fixed-mount Breaker Dimensions
Door cut-out and mounting holes for Door Sealing Frame
Door cut-out (Middle escutcheon visible)
1) Breaker mounting surface.
2) Center of breaker front panel.
3) Drill eight holes for mounting door sealing frame.
Door cut-out (after mounting Door Sealing Frame)
Minimal door cut-out (Only center eustcheon visible)
Courtesy of NationalSwitchgear.com