Siemens 3VA1450-1AA42-0BJ0

switch disconnector 3VA1 IEC frame 630 4-pole SD100, In=500A without overload protection w/o short-circuit protection nut keeper kit switch disconnector 3VA1 IEC frame 630 4-pole SD100, In=500A without overload protection w/o short-circuit protection nut keeper kit UNDERVOLTAGE RELEASE 24 V DC ACCESSORY FOR 3VA1 and 3VA20 up 2 AUXILIARY SWITCH CHANGEOVER H 1 TRIP ALARM SWITCH CHANGEOVER