Additional Components LWBX MN Over-voltage and under-voltage release Application: LWBX Rated voltage: 230V Variation Uvo=270V+5% Uoe=160V Function: Protection of the load in the event of a voltage variation of its rated value LWBX MX+OF LWBX MX+OF Shunt release and auxiliary contact Application: LWBX Function: Remote opening of the device when a voltage is applied LWBX OF Auxiliary contact Application: LWBX Rated current(A): 6 Function: Indication of the position of the device's contacts LWBX SD Auxiliary alarm Application: LWBX Rated current(A): 6 Function: Signaling of status making or breaking of MCB and RCD through alarm LBWX MV+MN Over-voltage and under-voltage release Application: LWBX Rated voltage: 230V Variation Uvo=270V+5% Uoe=160V Function: Protection of the load in the event of a voltage variation of its rated value LWBX MX+OF Shunt release and auxiliary contact Application: LWBX Function: Remote opening of the device when a voltage is applie LWBX OF Auxiliary contact Application: LWBX Rated current(A): 6 Function: Indication of the position of the device's contacts LWBX SD Auxiliary alarm Application: LWBX Rated current(A): 6 Function: Signaling of status making or breaking of MCB and RCD through alarm 1. Two types of protection against overload and short circuit. 2. Complete set of supplementary devices with the possibility of simple independent installation 3. Indication of contact position. 4. Latching on DIN-rail with double locking. 5. Wide operating temperature range from -25 to +45掳 C. 6. Updated wider engagement lever with improved contact area. 7. Notches on contact terminals reduce heat loss and increase mechanical stability of the connection. 8. Higher switching capacity of 6 kA provides for installing 9. Conducting current in normal mode. 10. Shutdown of current at short circuits or an overload.Circuit Breaker Types Free Sample website:http://www.zciet.com/circuit-breaker/circuit-breaker-types/