Single Pole Breaker Symbol

A 2 way changeover switch directs the flow of current to one of two routes according to its position.

Single pole breaker symbol.

Spst single pole single throw. 2 way switch spdt spdt single pole double throw. It has only one hot wire when there is any overload or short circuit it trips. Although the code permits you to install a 120 240v slash rated breaker on a 120 240v 3 phase high leg delta system you cannot install it on the b phase high leg because the nominal line to ground voltage of the high leg is 208v.

Circuit breakers symbols for use in electrical pneumatic and hydraulic schematic diagrams. Basic switch symbols spst. Single pole breakers are always slash rated. 1200 a identifies the drawout circuit breaker represented by the symbol as a 1200 ampere circuit breaker.

Single pole circuit breaker this symbol represents a single pole circuit breaker. An on off switch allows current to flow only when it is in the closed on position. Some spdt switches have a central off position and are described as on. You can double click to edit the text at the symbol.

Normally open contact can represent a single contact or single pole switch in the open position for. 225 a 3p indicates the fixed circuit breaker represented by the symbol as a 225 ampere 3 pole breaker. In our electrical software you can click the action button then click the close circuit menu item to close the circuit switch. This exceeds the 120v line to ground voltage rating of the.