• Air and Fluid heating solutions
• Renewable energy
• Industry
• Ventilation
• Professionnal kitchen
• Agriculture and Farming
• Rail
• Petrochemistry
• Fire Systems

Allows the connection and switching of three-phase star-delta or two separate winding motors, especially for motors with a high operating temperature, particularly in fumes and heat extracting fans. These terminal blocks are also used for the star delta switching of three-phase heaters.

Main features
Material: Steatite C221(This high-quality ceramic does not require glazing)
Voltage: 450V
Terminals and screws: zinc-plated steel or brass
Shunts: 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:
M4: 1.2N.m; M5: 2.5N.m; M6: 3.5N.m; M8: 7N.m
Applicable Standards: IEC 60034-8 and NFC 51-120