Product description
3.4 Mechanical operating mechanisms
3VL molded-case circuit breakers
24 System Manual, 03/2009, 110 0110 - 02 DS 01
3.4.2 Rotary mechanism on front (optional)
The rotary mechanism on the front converts the vertical movement of the toggle handle into
rotary motion. The circuit breaker is switched on/off or tripped with the help of the rotary
mechanism on the front. The rotary motion on the switching knob is converted to vertical
motion on the toggle handle.
Rotary mechanism
The rotary mechanism on the front is mounted direct on the circuit
breaker. SENTRON VL circuit breakers with rotary mechanism
comply with the "Network disconnecting device" condition of
DIN EN 60204-1 (VDE 0113-1).
Degree of protection
The rotary mechanism on the front offers degree of protection IP30
Interlocking
Lockable in the "OFF" position with up to 3 padlocks.
A safety lock can also be used.
Application
Standard application:
● Black knob
● Gray indicator plate
Network disconnector facility with features for stopping and shutting down in an emergency:
● Red knob
● Yellow indicator plate
Accessories
Optionally, up to 4 changeover contacts can be used. Two contacts can be used as leading
NO contacts and two contacts as leading NC contacts. These are equipped with 1.5 m long
connection cables.
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