Features 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 Switch Model: SJCSQ2 250 4P Material: ABS, Aluminum Alloy Rated Current: 250A Use Category: AC-33A Rated Power: 50HZ Breaking Capacity: Icm 5KA Grade: CB Package List 1 x Transfer Switch 6 x Gaskets 1 x Handle