product application: automatic switching of dual power supply
extreme number: 3p, 4p
rated current (in): 63a-250a
rated operating voltage (ue):ac400v
rated insulation voltage (ui): ac800v
category: ac-33b
controller type: a
emergency supply interlock function available
conform to the standard: iec/en60947-6-1 gb/t14048.11
certificate:ccc ce cb