Locking the Switch-Disconnector in Open Position with Keylocks

Optional keylocks can be used:

To lock one EasyPact MVS DA1 switch-disconnector in the open position. When locked, the switch-disconnector cannot be closed either locally with the closing pushbutton or remotely.

To use keylocks to lock the switch-disconnector in the open position, an optional OFF-position locking accessory is necessary.

The OFF-position locking accessory is an optional accessory that is mounted on the front of the switch-disconnector.

The OFF-position keylocking accessory can be fitted with one keylock.

The following type of keylock can be fitted:

Profalux keylock

For information on the accessory installation, consult the instruction sheet on the Schneider Electric website: MVS21736.

Step	Action
1	Press and hold the opening pushbutton.
2	With the opening pushbutton pressed, turn the key clockwise to lock the switch-disconnector.
3	Remove the key.
4	Release the opening pushbutton.
5	Check that the switch-disconnector is locked in the open position and cannot be closed either locally with the closing pushbutton or remotely.

Step	Action
1	Put the key in the keylock.
2	Turn the key clockwise to unlock the switch-disconnector.
3	Press the closing pushbutton to close the switch-disconnector. NOTE: The key remains captive in the keylock.