The new components include the PMPS150-1812; PMPS150E-1206; PMPS200-1812; PMPS200D-1210; PMPS260C-1812; and PMPS380E-1206. These surface mount device (SMD) PPTCs are designed for overcurrent ...

A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...

In this EC&M Tech Talk Randy Barnett discusses in five different sections the concepts and rules of overcurrent protection. Overcurrent protective devices include the fuses and circuit breakers ...

A motor protection relay safeguards electric motors by detecting thermal stress, phase imbalance, stall, and abnormal ...

Seeking use in line voltage applications, the LVR series of resettable devices have a voltage rating of 240 Vac and allow for maximum voltages up to 265 Vac. They have hold current ratings of from 50 ...

Circuit protection devices are safety components used in a variety of applications, ranging from smartphones and laptops to medical and wireless communications equipment. These components include ...

The devices are intended for applications requiring high-precision overcurrent and short-circuit detection, such as portable gadgets, smartphones, game consoles and handheld devices. The NB7142 and ...

Subsection 21 “Location in Circuit” is by far the longest subsection in Art. 210 of the NEC. At nearly two and a half pages, it occupies about 85% of Part II. Of the remaining text, half a page ...

The evolution of today’s Power over Ethernet (PoE) and Power over Data Line (PoDL) systems. The fundamental power delivery characteristics of PoE and PoDL and how these digitally integrated, ...