Siemens 3RT12 SIRIUS Contactor, 110 → 127 V AC/DC Coil, 3-Pole, 300 A, 400 kW, 2 NO + 2 NC, 1 kV

View all Contactors

Subtotal (1 unit)*

£2,048.45

(exc. VAT)

£2,458.14

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 03 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£2,048.45

*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.:
157-753
Mfr. Part No.:
3RT1266-6AF36
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Coil Voltage

110 → 127 V AC/DC

Number of Poles

3

Contact Voltage Rating

1 kV

Contact Current Rating

300 A

Power Rating

400 kW

Series

SIRIUS

Range

3RT12

Normal State Configuration

2 NO + 2 NC

COO (Country of Origin):
DE
The Siemens Vacuum Contactor is designed for high performance switching in demanding applications, offering robust operational reliability. Equipped with cutting edge technology, it excels in controlling large loads, making it an essential component for efficient automation systems. Whether in industrial environments or critical infrastructures, this contactor guarantees effective connectivity with a focus on safety and longevity.

High temperature tolerance
10 million cycles lifespan
International safety standards
Compact installation
Robust insulation and surge resistance
Easy circuit access