Siemens SIRIUS 3RT12 and 3TF6 vacuum contactors Contactor, 240V, 277 V Coil, 3-Pole, 500 A, 710 kW 277V, 2 NO/2 NC, 1kV
- RS Stock No.:
- 157-950
- Mfr. Part No.:
- 3RT1276-6AU36
- Brand:
- Siemens
Subtotal (1 unit)*
£3,557.96
(exc. VAT)
£4,269.55
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 22 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £3,557.96 |
*price indicative
- RS Stock No.:
- 157-950
- Mfr. Part No.:
- 3RT1276-6AU36
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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 | |
| Number of Auxiliary Contacts | 4 | |
| Auxiliary Contact Configuration | 2 NO/2 NC | |
| Terminal Type | Screw | |
| Control Circuit Voltage Uc | 277V | |
| Contactor Application | Safety, Vacuum Contactor | |
| Operational Current Ie | 610A | |
| Minimum Operating Temperature | -25°C | |
| Maximum Operating Temperature | 60°C | |
| Width | 160mm | |
| Length | 217mm | |
| Standards/Approvals | IEC 60529, IEC 61508-2, ISO 13849-1, ISO 13849-2 | |
| Depth | 225mm | |
| 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 | ||
Number of Auxiliary Contacts 4 | ||
Auxiliary Contact Configuration 2 NO/2 NC | ||
Terminal Type Screw | ||
Control Circuit Voltage Uc 277V | ||
Contactor Application Safety, Vacuum Contactor | ||
Operational Current Ie 610A | ||
Minimum Operating Temperature -25°C | ||
Maximum Operating Temperature 60°C | ||
Width 160mm | ||
Length 217mm | ||
Standards/Approvals IEC 60529, IEC 61508-2, ISO 13849-1, ISO 13849-2 | ||
Depth 225mm | ||
- 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