Siemens ETU776 - UL 1066 Door Sealing Frame Dimensions

104 WL Circuit Breaker Selection and Application Guide
Low Voltage Circuit Breaker
UL 1066 Door Sealing Frame Dimensions
Frame Size 3
Door Cut-outs
Door cut-out and mounting holes for Door Sealing Frame
Door cut-out (Middle escutcheon visible)
1) Mounting surface of the circuit breaker or cradle.
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