Siemens SIRIUS 3TF6 Contactor, 24 V dc Coil, 3-Pole, 630 A, 335 kW, 3NC + 3NO, 400 V

View all Contactors

Subtotal (1 unit)*

£6,383.21

(exc. VAT)

£7,659.85

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 12 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£6,383.21

*price indicative

Shop Siemens SIRIUS
Discover our Siemens SIRIUS products. Command, Control, Monitor and start your motors the Hybrid way.
Find out more
RS Stock No.:
154-647
Mfr. Part No.:
3TF6833-8DB4
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Coil Voltage

24 V dc

Number of Poles

3

Contact Voltage Rating

400 V

Contact Current Rating

630 A

Series

3TF6

Power Rating

335 kW

Range

SIRIUS

Normal State Configuration

3NC + 3NO

COO (Country of Origin):
TR
The Siemens vacuum contactor offers unparalleled reliability and performance for controlling high-power AC motors. Engineered for robust operation, this device stands out in environments requiring high insulation voltage resistances and exceptional shock resistance capabilities. Designed for flexibility, it operates efficiently across a wide temperature range, ensuring functionality between -25 to +55 °C. This contactor’s advanced features, including substantial mechanical service life and exceptional surge voltage resistance, make it ideal for applications demanding high reliability. Additionally, its compact design allows for efficient space utilisation while maintaining top-tier electrical performance, bringing together safety and efficiency in one outstanding product.

Exceptional insulation voltage for demanding environments
High mechanical service life for reliability
Robust shock resistance against stresses
Accommodates various control voltages
Built-in protections for circuits