Function of Protective Sleeve for Fiber Optic Sensors

Fiber Protection sleeve is used for protecting and supporting the fusion splice point. One such unsung hero is the Fiber Optic Splice Sleeve, also known as the Fusion Splice Sleeve. This products is made up of cross linked polyolefin heat-shrinkable tubes,hote melt tubes and Stainless. The fusion splice protection sleeves are designed to meet or exceed Telcordia GR-1380-Core. [pdf]

Relays and Protective Relays

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. [pdf]