Features 1Protection Function: This manual transfer switch is used to manually switch dual power circuits with overload and short circuit protection. 2Single 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. 3PC 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. 4Silver Alloy Contacts: This dual power manual transfer switch uses silver alloy contacts which have good conductivity and sensitive response. 5Wide Application: This dual power switch has a wide range of applications and can be used for RV, home, generator or other dual power systems. Specification Item Type: Dual Power Manual Transfer SwitchModel: NLZ1-125Material: PC Flame Retardant, SilverRated Frequency: 50, 60HZPoles: 1PShort Circuit Turn On Capacity: 3000AShort Time Withstand Current: 1500A/1sElectrical Life: >1500 TimesMechanical Life: 8500 TimesProtection Grade: IP20Ambient Temperature: -5-40Terminal, Cable Size: 16mm2Mounting: 35mm Rail3 Color Windows: Red (Trip), Yellow (Overload Protection), Green (Normal Work) Package List 1 xDual Power Manual Transfer Switch