AutomationDirect has added new phase and voltage monitoring relays from ProSense. The PMRU-2C series true RMS phase monitor relays protect 3-phase equipment from damage that can occur when there is a ...

The project is designed for a three phase solid state relay system. It incorporates three single phase units where each phase is controlled individually by a power triac with RC snubber network for ...

Even though the function of single phase and three phase relays are quite similar, their applications can vary significantly. This is primarily due to the characteristics of three phase power circuits ...

Targeting the industrial market, the series SQ power relays has four independently-controlled solid-state relays in a standard hockey-puck package, while the series C3P has a three-phase output. The ...

Based on Trayer Engineering's original VFI design introduced in 1980, the 3000 Series three-phase vacuum fault interrupters take this design and incorporate the latest advancements of vacuum ...

The need for the current waveform to track the voltage on a three-phase power system leads to a second set of requirements, in addition to those for a single-phase power factor correction (PFC) system ...

History Lesson Single-phase power supplies have been a power industry norm for ESPs for more than 60 years. Analog automatic voltage control and silicon-controlled rectifiers were the single-phase ...