Accessories
3.9 Accessories for locking and interlocking
3WJ Air Circuit breakers
130 Operating Instructions, 12/2022, L1V30828903001-01
If the mechanical interlock is already installed, continue with "Information about mechanical
interlock". - See chapter Information about mechanical interlock (Page 123)
Preparations
Preparing the operator panel (frame size I)
Break out the groove base from the pre-pressed grooved as displayed in the image below.
Preparing the mounting plate (frame size I)
Loosen the screws of the mounting plate with 3 or 4 turns each as shown in the image
below.
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