all
Integrated modular control and protection platform
Combined contactors, overload relays and intermediate relays form a coordinated and scalable system.
Why SIRIUS Control 3RT7?
The SIRIUS 3RT7 series expands Siemens’ control and protection portfolio with a modern, compact and reliable solution designed to deliver strong performance and installation flexibility. Introduced in 2021, the 3RT7 series supports a wide range of motor control applications while maintaining consistent quality and ease of integration.
The series includes:
- 3RT7 contactors (6–95 A)
- 3RU7 thermal overload relays (0.11–100 A)
- 3RH7 intermediate relays (4 contacts, expandable to 8 contacts)
With modular integration, wide operating ranges and simplified wiring features, the 3RT7 series helps streamline panel design and improve operational reliability across industrial environments.
Key benefits
Simplify installation and wiring
Reduce installation time with convenient wiring design, strip-length indicators and compact dimensions that support efficient panel assembly.
Improve reliability across operating conditions
Support stable motor control with wide temperature and voltage operating ranges that help maintain dependable performance in varying industrial environments.
Enable flexible system configuration
Adapt to application needs with expandable relay contacts and modular integration between contactors and thermal overload relays.
Featured capabilities
all
Compact, space-saving construction
Optimized dimensions support high panel density while maintaining strong operational performance.
all
Safe and installer-friendly wiring design
Included strip-length indicators and simplified wiring layout support safer faster and more consistent installation.