Terminal blocks in ceramic for 3 phases asynchronous electrical motors, 450V range.
Brass or zinc plated steel terminals.
Material: Steatite C221.
Terminals and screws: zinc-plated steel or brass.
Insulation distances: > 3mm on backside.
Walls of terminal dividers: height 4mm, thickness 5mm.
Temperature resistance: 240°C (460°F) continuous, 400°C (750°F) 2 hours peak.
Marking: U1, V1, W1 and U2, V2, W2 (according to IEC 60034-8).
Recommended tightening torques for nuts: M5: 2.5N.m; M6: 3.5N.m; M8: 7N.m.
Applicable Standards: IEC 60034-8 and NFC 51-120.