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Customizable functions and automation
Develop up to 20 protection functions for specific operational needs. Integrate circuit-breaker control, switching devices and automation for personalized system management.
Why SIPROTEC 7SK80?
The SIPROTEC 7SK80 is a multi-functional motor protection relay that protects asynchronous motors of all sizes and serves as a backup relay for transformer differential relays.
Motors and transformers need strong protection against electrical faults for reliable performance. The SIPROTEC 7SK80 includes flexible and comprehensive protection functions so you can customize schemes and prevent unwanted trips. Create up to 20 additional functions for tailored protection.
Use the integrated programmable logic (CFC) to add your own automation functions and enhance operational control. The inrush suppression effectively prevents unwanted trips to limit downtime.
Key benefits
Protect asynchronous motors
Safeguard your equipment from electrical faults and operational stresses to extend motor lifespan and minimize downtime for your operations.
Improve system stability
Apply the SIPROTEC 7SK80 as a backup relay for transformer differential protection. Prevent unwanted trips caused by inrush currents with effective suppression to improve grid reliability.
Automate functionality
Integrate programmable logic for switchgear interlocking automation. Generate custom messages and use programmable function keys for intuitive control.
Featured capabilities
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Advanced protection features
Protect with definite, inverse time-overcurrent, directional and thermal overload. Monitor undercurrent, temperature and load jam. Enable restart inhibit, breaker failure protection for motor protection.
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Communication protocols
Connect pluggable current and voltage terminals with configurable binary I/O. Integrate Ethernet for redundant optical rings with RSTP, PRP and HSR protocols. Synchronize time to milliseconds with SNTP for reliable data exchange.