The MCPC Series are microprocessor-based control relays designed for use with resistive loads. The devices have current ratings from 25 A to 90 A that operate from 48 VAC to 530 VAC at 0-100% control ...
An experienced protection and integration engineer can help determine the best configurable relay settings to provide maximum system protection and advanced functionality. Photo courtesy: Emerson ...
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 ...
Schweitzer Engineering Laboratories (SEL) released the SEL-T400L Time-Domain Line Protection—the world’s first traveling-wave microprocessor-based relay. It detects power system faults and sends a ...
Virginia City Installs High-Reliability Distribution System with Microprocessor-Based Relay Controls
The importance of reliable, high-quality electric power is increasingly being recognized by utility customers. It fosters economic development and enhances the attractiveness of a service area to “new ...
Designed for relay-based applications requiring a microprocessor, the A2550 automotive-grade relay driver integrates a voltage regulator, watchdog and reset, and three low-side DMOS relay-driver ...
In 2005, Jersey Central Power & Light (JCP&L), a subsidiary of Akron, Ohio – based FirstEnergy Corp., initiated a project to identify protection system improvements that could be made to proactively ...
The PGR-8800 is a microprocessor-based protection relay that limits arc-flash damage by using light sensors to rapidly detect the arc and then trip a circuit breaker. Phase current-transformer inputs ...
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