Siemens 3VA1 100 A Manual page 221

Protection against unauthorized operation of molded case circuit breaker
Padlocks for protection against unauthorized operation
To provide protection against unauthorized operation of the molded case circuit breaker,
padlocks can be inserted through the plastic frame opening of the padlock locking unit on the
right side panel of the draw-out socket. The plastic frame is simple to pull out. The crank
handle opening is mechanically sealed when the plastic frame is in the OUT position.
Openings for padlocks in plastic frame:
● Up to 3 padlocks
● Shackle diameter 8 mm (3/8 inch)
Attach padlocks
1. Move the molded case circuit breaker into the CONNECT, TEST or DISCON position.
The breaker must be in one of these positions before the plastic frame can be pulled out.
2. Pull out the plastic frame.
The crank handle opening is sealed off.
3. Insert padlock shackles through the plastic frame and lock padlocks as illustrated above.
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
4.4 Plug-in and draw-out technology
Accessories
221