Siemens 3RT12 SIRIUS Contactor, 380 → 420 V Coil, 3-Pole, 225 A, 315 kW, 2 NO + 2 NC, 1 kV

View all Contactors

Subtotal (1 unit)*

£1,439.27

(exc. VAT)

£1,727.12

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 06 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£1,439.27

*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.:
157-916
Mfr. Part No.:
3RT1264-6AV36
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Coil Voltage

380 → 420 V

Number of Poles

3

Contact Voltage Rating

1 kV

Contact Current Rating

225 A

Series

SIRIUS

Range

3RT12

Power Rating

315 kW

Normal State Configuration

2 NO + 2 NC

COO (Country of Origin):
DE
The Siemens Vacuum Contactor is designed for superior performance in AC-3e and AC-3 applications, handling a robust operational current of up to 225 A. With its high performance insulation voltage and surge voltage resistance, it ensures reliable operation even in demanding environments. Engineered for versatile functionality, this device includes conventional auxiliary contacts and offers excellent shock resistance.

High current capacity
Durable with 10 million cycles
Versatile for vacuum and AC
Advanced insulation
Compact and flexible mounting
Auxiliary contacts included
Optimised for communication
Energy efficient