1、Protection Function: This manual transfer switch is used to manually switch dual power circuits with overload and short circuit protection. 2、Single Side Interlock: The handle of the right side circuit breaker of this home transfer switch is interlocked with the internal striker mechanism of the left side circuit breaker, so that opening the right side circuit breaker will trip the left side circuit breaker. 3、PC Flame Retardant Shell: This power transfer switch is made of excellent PC material for the shell, which is sturdy, wear resistant, not easy to be damaged, and flame retardant. 4、Silver Alloy Contacts: This dual power manual transfer switch uses silver alloy contacts which have good conductivity and sensitive response. 5、Wide Application: This dual power switch has a wide range of applications and can be used for RV, home, generator or other dual power systems.