LWAZI PM provides high-performance WDM multiplexers, AWG, ROADM, EDFA amplifiers, and OTN solutions for long-haul, metro, DCI, and 5G bearer networks across Africa and Europe.
The various protective functions available on a given relay are denoted by standard. For example, a relay including function 51 would be a timed overcurrent protective relay. An overcurrent relay is a type of protective relay which operates when the load current exceeds a pickup value. It is of two types: instantaneous over current (IOC) relay and definite time overcurrent (DTOC) relay.