Siemens ETU776 - UL 489 Door Sealing Frame Dimensions

90 WL Circuit Breaker Selection and Application Guide
Low Voltage Circuit Breaker
UL489 Door Sealing Frame Dimensions
Frame Size 2 and 3
Door Cut-outs
1) Mounting surface of the circuit-breaker or cradle.
2) Center of breaker front panel.
3) Drill eight holes for mounting door sealing frame.
Courtesy of NationalSwitchgear.com