Product description 
  3.5 Motorized operating mechanisms (optional) 
3VL IEC molded case circuit breakers 
System Manual, 11/2013, 110 0110 - 02 DS 03 
33 
 
Motorized operating mechanism with stored energy mechanism (SEO) 
SEO for VL160X-VL800 
●  The motorized operating mechanism with stored energy mechanism (SEO) is suitable for 
synchronization tasks. 
●  The motor charges a motorized operating mechanism with stored energy mechanism and 
moves the SENTRON VL toggle lever to the "OFF/RESET" position. 
●  The motorized operating mechanism with stored energy operate discharges when 
actuated, quickly switching the SENTRON VL toggle lever to the "ON" position. 
●  A mode switch allows local (Manual) or remote (Auto) operation to be selected. 
●  The manual actuator handle is located on the front of the operating mechanism cover. 
 
Figure 3-6  Motorized operating mechanism with stored energy mechanism