Siemens SIRIUS 2 Contactors
Siemens SIRIUS 2 Contactors provide switching with high contact reliability, prolonged endurance, and usability in extreme conditions. The comprehensive SIRIUS 2 lineup includes 3RT devices that offer up to 2650A switching without current derating, even at an ambient temperature of +55°C. Siemens SIRIUS 2 Contactors comply with all major standards and certificates, making them suitable for a variety of applications.
Features
- High contact reliability
- Wide variety of products
- 3RT contactors are available with screw terminals (box terminals or flat connectors) or with spring-loaded terminals
- 3TG10 power relays/miniature contactors are available with screw terminals or flat connectors
- Prolonged endurance
- Works in extreme conditions
Specifications
- Up to 2650A switching without current derating up to an ambient temperature of +55°C
- Complies with all major standards and certificates
- Only 6x variants are required to cover a 900A to 2650A current range
Voltage Chart
Featured Contactors
Siemens SIRIUS 3RT2 Power Contactors
Power range of contactors for switching IE2 motors and highly efficient IE3 and IE4 motors.
Siemens SIRIUS 3RT23 4-Pole Contactors
4-pole AC-1 contactors with current up to 160A.
Siemens SIRIUS 3RT29 Surge Suppressors
Offers critical protection for DC and AC systems in sizes 00 to 3 with or without an LED.
Siemens SIRIUS 3RT1 Contactors with Failsafe Control
Offers a power range from 55kW to 250kW in Sizes S6 to S12.
Published: 2023-08-31
| Updated: 2025-10-06