Siemens SIRIUS 3RT12 Contactor, 110 → 127 V Coil, 3-Pole, 400 A, 560 kW, 2 NO + 2 NC, 1 kV

View all Contactors

Subtotal (1 unit)*

£2,496.96

(exc. VAT)

£2,996.35

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 04 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£2,496.96

*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.:
157-772
Mfr. Part No.:
3RT1275-6AF36
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Coil Voltage

110 → 127 V

Number of Poles

3

Contact Voltage Rating

1 kV

Contact Current Rating

400 A

Series

3RT12

Power Rating

560 kW

Range

SIRIUS

Normal State Configuration

2 NO + 2 NC

COO (Country of Origin):
DE
The Siemens Vacuum Contactor is an advanced solution, perfectly suited for reliable switching in various industrial applications. Designed for robust performance, this device operates efficiently in AC-3e and AC-3 current categories, making it suitable for controlling high load motors with minimal wear and tear over time. Its impressive operational current ratings, combined with a wide range of coil voltages, ensure compatibility with diverse electrical environments.

Multiple auxiliary contacts for control
Exceptional mechanical service life
Broad operational current range
High insulation voltage for safety
Robust performance in varied conditions