Siemens SIRIUS 3RT12 and 3TF6 vacuum contactors Contactor, 240V, 277 V Coil, 3-Pole, 500 A, 710 kW 277V, 2 NO/2 NC, 1kV

View all Contactors

Subtotal (1 unit)*

R 83 419,43

(exc. VAT)

R 95 932,34

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 21 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +R 83,419.43

*price indicative

RS stock no.:
157-950
Mfr. Part No.:
3RT1276-6AU36
Manufacturer:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Product Type

Contactor

Coil Voltage

240, 277V

Number of Poles

3

Contact Voltage

1kV

Contact Current

500A

Power Rating

710kW

Series

SIRIUS 3RT12 and 3TF6 vacuum contactors

Function

Safety

Normal State Configuration

2 NO/2 NC

Auxiliary Contact Configuration

2 NO/2 NC

Number of Auxiliary Contacts

4

Terminal Type

Screw

Minimum Operating Temperature

-25°C

Control Circuit Voltage Uc

277V

Operational Current Ie

610A

Contactor Application

Safety, Vacuum Contactor

Maximum Operating Temperature

60°C

Width

160mm

Depth

225mm

Length

217mm

Standards/Approvals

IEC 60529, IEC 61508-2, ISO 13849-1, ISO 13849-2

COO (Country of Origin):
DE
The Siemens Vacuum Contactor is an advanced solution for reliable control in varied applications. Specifically designed for high operational efficiency, it seamlessly handles AC-3 and AC-3e loads up to 500 A. Its strong construction and state of the art technology ensure an impressive mechanical service life of 10 million operating cycles, making it ideal for long term use.

Durable and reliable construction

Up to 10 million mechanical cycles

Versatile across temperature and altitude

Easy installation with screw type terminals

Reduced power loss for energy efficiency

Handles significant load currents

Related links