Tips & News - August 2015

Tips of the trade: Choosing the right arrester for your application

system configuration Wye Delta

System Voltage Conductor Size

kV diameter

Insulator

Insulator Type, Manufacturer, Catalog # Insulator Critical Impulse Flash Over

Included In Design Not Needed In Design

kV

tower

Existing New

tower type

Tubular H-Frame Lattice Guyed Terminal Other

Number of circuits Single Circuit Double Circuit Multi- Circuit

tower dimensions Distance between spans on tower (Horizontal) Distance between spans on tower (Vertical)

ft

pollution level Standard Heavy

ft

preferred arrester attachment point Structure Conductor

preferred arrester class Distribution Distribution Low Station Low IEEE: IEC:

Intermediate Distribution Medium Station Medium

Station Distribution High Station High

To find the right arrester for your application, contact your Territory Manager.

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