Feature:1. [PRODUCT STRUCTURE] Adopt double row composite contacts, transverse pull structure, micro motor advanced energy storage and microelectronic control, basically realize zero arc overcurrent.2. [INTERLOCK DEVICE] The load isolation actuating switch is equipped with a mechanical interlock device to ensure the reliable operation of the main and standby power supply without mutual interference.3. [ISOLATION TYPE] The dual power automatic transfer switch has apparent switch position indication, hanging lock and other functions to realize safe isolation between power supply and load.4. [CIRCUIT PROTECTION] The automatic transfer switch supports a variety of protection functions, including short circuit, overload, phase loss and undervoltage protection, safe and reliable.5. [APPLICABLE PLACES] With mechatronic design, the switch can be used in families and public places, especially in office buildings and public places that need fire protection, simple and practical.Specification:Item Type: Dual Power Transfer SwitchModel: SJCSQ2 250 4PMaterial: ABS, Aluminum AlloyRated Working Voltage: AC400VControl Voltage: 220VRated Current: 250ARated Insulation Voltage Ui: 750VUse Category: AC-33ARated Power: 50HZBreaking Capacity: Icm 5KAGrade: CB.Package List:1 x Transfer Switch6 x Gaskets1 x Handle