Protection Relays
State-of-the-Art Protection & Control Platforms
Protection relays deliver advanced, reliable protection for power systems by combining high-speed fault detection, precise monitoring, and intelligent control. Designed for transmission, distribution, and industrial applications, relays enhance system safety, minimise downtime, and support seamless integration with digital substations and modern grid technologies.
MBCI
Key Benefits
High stability for through faults
Fast operation for in zone faults
Simultaneous tripping of relays at each line end
Low current transformer requirements
MBCI – Differential Feeder and Transformer Feeder Protection
MVAA
Key Benefits
Compact design
Mechanically stable
Hand, self, and electrical reset versions available
Wide voltage range & optional operation
MVAA – Auxiliary Relay
Model HEA
Key Benefits
Electrically separate outputs available
Various shift lengths available
Locks equiptment out of service
Model HEA – Multicontact Auxiliary
Multilin Agile
Key Benefits
Smaller footprint for easy retrofitting of aging infrastructure
Intuitive graphical display for effective monitoring, communications & troubleshooting
Advanced functions addressing the challenges of renewable integration
Advanced Cybersecurity to prevent unauthorized access and cyber attacks
Protection Relay Multilin Agile
Multilin 339/345/350
Multilin 3 Series 339
Multilin 3 Series 345
Multilin 3 Series 350
Multilin 8 Series/845/850
Multilin 8 Series
Multilin 8 Series – 845
Multilin 8 Series – 850
Multilin 8 Series – 850P
Multilin 8 Series – 859
Multilin 8 Series – 869
Multilin 8 Series – 889
Multilin MM300 Brochure
Multilin MM300 Manual
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