Accessories
3.9 Accessories for locking and interlocking
3WJ Air Circuit breakers
106 Operating Instructions, 12/2022, L1V30828903001-01
Installing the safety locking device
• Remove the white ring of the OPEN button. Counter-rotate the OPEN button a little, then
remove the OPEN button.
• Attach the black ring and hold it in position.
Insert the safety lock and rotate it clockwise to the correct position. The key must be in the
upright position pointin at 0.
Fix the safety lock with the white ring.
Installing the operator panel
See chapter Preparatory and concluding installation steps for the installation of internal
accessories (Page 57)