The SIEMENS 3TF6944-0C is a heavy-duty vacuum contactor from the 3TF6 series, built for demanding industrial applications. With a current capacity of 820A and 450 kW power rating, it features 4NO + 4NC contact configuration, ensuring arc-free switching and high durability in medium-voltage environments.
Key Features:
Rated Current: 820 A
Power Rating: 450 kW (AC-3, 400V)
Contact Configuration: 4NO + 4NC
Contactor Type: Vacuum contactor (AC coil)
Excellent arc suppression
High mechanical and electrical lifespan
Ideal for motor, transformer & capacitor switching
Maintenance-free operation