Cast Resin Bus Trunking System : Schneider, C&S, Siemens, Legrand, Eaton, Alfaduct, Mandexi(Max), Godrej, Naxso, EAE Cast Resin Bus Trunking System. Cast Resin Bus Trunking System :- Copper Range : 800A To 6300A # Aluminum Range : 630A To 5000A # Insulation : Class B # Enclosure : Cast Resin #Impulse Withstand Voltage : 12KV #Degree Of Protection: IP68 # Operational Voltage 1000 V AC # Frequency : 50HZ/ 60HZ. Electric # Saudi Arabia # Bangladesh # Mexico # Djibouti # Dubai # Electricals # Electric # Bangladesh # China.