Chess Electric

Engineered solutions for connecting, monitoring, protecting power systems and critical equipment.


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Multilin B90 Bus Differential System

Low Impedance Bus Differential System

Secure, dependable and scalable bus differential protection system for LV, HV and EHV busbars
The B90, a member of the UR Family, features integrated protection and breaker failure for re-configurable MV, HV, EHV multi-section busbars with up to 24 feeders. Use one or more B90s together to build a flexible protection system that can be engineered to meet specific application requirements. The B90 performs fast and secure low-impedance bus protection with a sub-cycle tripping time of 0.75 cycles and 06 differential zones per phase.

Multilin B90 Bus Differential System