From traditional fuses to eFuses, understanding the advantages, limitations, and use cases of each technology helps engineers ...

This paper discusses about the integrated overcurrent/overvoltage protection device that helps protect telecommunications equipments. With the advancement in ...

All questions and answers are based on the 2017 NEC. Q. Per the NEC, overcurrent protection devices must be placed at what location in branch-circuit or feeder conductors? A. Except as permitted by ...

This answer is based on the 2017 NEC. A. Supplementary overcurrent protection devices aren’t permitted to be used as the required branch-circuit overcurrent protection device [Sec. 240.10]. A ...

For a PDF verion of this article, click here. Where resettable overcurrent protection is a requirement, PolySwitch polymeric positive temperature coefficient (PPTC) devices offer a highly effective ...

POWER OVER ETHERNET (POE) enabled devices and their electronic components are designed for operation within specified current and voltage ratings. If these ratings are exceeded due to short-circuit or ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

Siemens is expanding its family of Reyrolle protection devices with the launch of the 7SR46. Complementing an extensive portfolio of protection relays for distribution and industrial grids, the ...