Single Pole Breaker Symbol

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Single pole breaker symbol. An on off switch allows current to flow only when it is in the closed on position. 1200 a identifies the drawout circuit breaker represented by the symbol as a 1200 ampere circuit breaker. An on off switch allows current to flow only when it is in the closed on position. Single pole breakers are always slash rated.

Single pole circuit breaker this symbol represents a single pole circuit breaker. Normally open contact can represent a single contact or single pole switch in the open position for. This exceeds the 120v line to ground voltage rating of the. Single pole single throw.

A 2 way changeover switch directs the flow of current to one of two routes according to its position. 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. 2 way switch spdt spdt single pole double throw. Some spdt switches have a central off position and are described as on.

Circuit breakers symbols for use in electrical pneumatic and hydraulic schematic diagrams. Spst single pole single throw. It has only one hot wire when there is any overload or short circuit it trips. 225 a 3p indicates the fixed circuit breaker represented by the symbol as a 225 ampere 3 pole breaker.