Surge Arrester Schematic Symbol

Fuses are devices containing a small piece of special wire that melts when the intensity of the current flowing through it for a certain period of time exceeds a set value thus protecting the rest of the electrical circuit overloads.

Surge arrester schematic symbol. First time using acade for power schematics. It is a device used for protection against lightning or high surge currents in line. Fuses and electrical protection symbols. A surge arrester is a device to protect electrical equipment from over voltage transients caused by external lightning or internal switching events.

Jic nfpa sample drawing. Permission is granted to copy distribute and or modify this document under the terms of the gnu free documentation license version 1 2 or any later version published by the free software foundation. It is the symbol used for lightning arrester. The lightning arrestor diverts the surges from lightning to the earth.

High voltage terminal ground terminal. Spd surge protective device sp single pole sm surface mounted slt sealtight liquidtight flexible conduit sfl sub feed lugs sdbc soft drawn bare copper sc short circuit sa surge arrester s shield short time rvss reduced voltage solid state rvnr reduced voltage non reversing rvat reduced voltage auto transformer rms root mean squared. We have 120vac neutral and ground come in and hit a circuit breaker then a surge protector then go to a group of terminal blocks. Looking through the icon menu i m not seeing a surge protector symbol.

The one line diagram symbols presented here are commonly accepted symbols. Seems like that would be in by default. Lightning arrester surge protector. I found a suppressor with tag but not quite what i need.

For consumer equipment protection different products. With no invariant sections no front cover texts and no back cover texts a copy of the license is included in the section entitled gnu free documentation license. Also called a surge protection device spd or transient voltage surge suppressor tvss this class of device is used to protect equipment in power transmission and distribution systems. Lightning arrestor single line symbols.

Iec 60617 sample drawing.