Locking a Device With Extended Rotary Handle
Handle Locking
The extended rotary handle offers several locking functions to:
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Prevent the rotary handle being operated.
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Prevent the door being opened.
Some locking functions can be disabled on different adaptations.
The handle can be locked with up to three padlocks (not supplied).
Handle locking |
Padlocks |
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Padlocking (standard) in the O (OFF) position. Padlocking the rotary handle in the O (OFF) position does not prevent the door from opening. |
Lock rotary handle with up to three padlocks (not supplied) with shackle diameters of 5–8 mm (0.2–0.3 in). |
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Padlocking (after modification to the rotary handle during installation) in the two positions I (ON) and O (OFF). There is a choice of two options when locking the rotary handle in the I (ON) position:
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Lock rotary handle with up to three padlocks (not supplied) with shackle diameters of 5–8 mm (0.2–0.3 in). |
Door Locking (MCC Function)
DANGER |
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HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
Only qualified persons are authorized to disable the door
lock.
Failure to follow these instructions will result in death or serious injury.
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It is possible to temporarily disable this lock to open the door when the device is in the I (ON) position. Disabling this lock requires modifying the rotary handle. For more information, refer to:
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Example: An application includes a device for a switchboard incoming supply and several device protecting motors with extended rotary handles installed behind the same door. Locking the door with the rotary handle of the incoming supply device simplifies maintenance work on the switchboard.