ABB has released its Relion REF615R feeder IED. The REF615R was designed to offer an easy, quick and affordable way to upgrade ABB’s DPU2000R relay along with providing a 19-inch rack mount version of ...

Schweitzer Engineering Laboratories, Inc. has released the SEL-351A-1 Distribution Protection System. The SEL-351A-1 combines radial feeder protection and high-accuracy metering (±0.2 percent accuracy ...

Q. When is ground fault protection of equipment required for feeder circuits? A. Each feeder disconnecting means rated 1,000A or more supplied by a 4-wire, 3-phase, 277/480V wye-connected system must ...

The 5-inch, 800-by-480-pixel color touchscreen display lets users seamlessly navigate to the various folders and application options. Users can create custom bay screens exhibiting one-line diagrams, ...

Article 215 covers the installation, conductor sizing, and overcurrent protection requirements for feeder conductors. The requirements for feeders have some similarities to those for branch circuits.

Schweitzer Engineering Laboratories, Inc. (SEL) has added an optional touchscreen display to the SEL-751 Feeder Protection Relay that allows users to easily navigate settings options and create custom ...