Accessories
3.9 Accessories for locking and interlocking
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
111
Removing the operator panel
Before installing the 3WJ lock you have to remove the operator panel. The procedure is
shown in chapter Preparatory and concluding installation steps for the installation of internal
accessories (Page 57)
Replacement/installation of the control slider
• Remove the screws of the electronic trip unit.
• Remove the electronic trip unit by unplugging all necessary cables.
• If present, the plastic control slider must be replaced by the metal control slider in this
package.
Installation of the metal control slider
• Place the control slider spring with the center eye in the control slider.
• Place the control slider on the side panel of the operating mechanism and attach the
control slider spring with the off-center eye to the side panel using pointed pliers.
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