System Protection

Featured Stories

Photo by Vacuum Interrupters.
167835 A00 Vacuum Interrupter Replacement
Test and Measurement

Vacuum Interrupters Introduces RVI-167835A00 Interrupter

Dec. 22, 2022
This direct fit-and-function replacement unit meets original equipment ratings and is intended for use in the ABB Advac and VHK-R vacuum circuit breaker.
Photo by Siemens.
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Test and Measurement

Siemens Delivers New Protection Relays for Distribution Grids

Dec. 19, 2022
Reyrolle 7SR46 provides protection, control, monitoring, instrumentation and metering.
9774 Sel 851 Feeder Protection Relay Left Front 7x5
Test and Measurement

SEL Releases SEL-851 Feeder Protection Relay

Oct. 11, 2021
The SEL-851 is configured using SEL Grid Configurator, a new software tool for creating, managing and deploying settings for SEL power system devices.
Recloser
Overhead Distribution

Distribution Reclosers and Overhead Switches

Oct. 22, 2020
G&W Electric Co.'s distribution reclosers and overhead switches are rated up to 38 kV for a variety of applications.

Featured Companies

Shunts

Classic Connectors USA

Nov. 19, 2024
ClampStar is the ultimate solution for electric utilities looking to reduce whole-span wire replacement costs. ClampStar is an engineered, electrical, and mechanical...
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Hardware

Dalian Hivolt Power System Co., Ltd.

Oct. 15, 2024
Dalian Hivolt Power System Co., Ltd. is a reputable Chinese insulator manufacturer for transmission lines and substations.
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Structures

Laminated Wood Systems Inc

Oct. 14, 2024
Engineered Proven Time Tested Utility Solutions
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Engineering Services & Consultants

Kupper Engineering LLC

Oct. 14, 2024
Kupper Engineering provides superior, full service professional engineering, engineering support, equipment procurement, and automation controls integration—from planning and ...
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Software

Hubbell

Oct. 11, 2024
Hubbell Incorporated is an international manufacturer of quality electrical and electronic products for a broad range of non-residential and residential construction, industrial...