Normally Closed Temperature Switch Symbol. Horizontal symbol vertical symbol description hps11 vps11 pressure switch normally open hps12 vps12 pressure switch normally closed hts11 vts11 temperature switch 1 normally open hts12 vts12 temperature switch 1 normally closed hts11s18 vts11s18 temperature switch 2 normally open hts12s18 vts12s18 temperature switch 2 normally closed hts11s74 vts11s74 temperature switch 3 normally open hts12s74 vts12s74 temperature switch 3 normally closed hsw21 vsw21 2nd normally open contact hsw22 vsw. Closed switch spst single pole single throw.
If you want to use the switch for low voltage appliances the rating will not matter. On off switch spst spst single pole single throw. It is equal to 2 spdt switches.
Horizontal symbol vertical symbol description hps11 vps11 pressure switch normally open hps12 vps12 pressure switch normally closed hts11 vts11 temperature switch 1 normally open hts12 vts12 temperature switch 1 normally closed hts11s74 vts11s74 temperature switch 3 normally open hts12s74 vts12s74 temperature switch 3 normally closed hsw21 vsw21 2nd normally open contact hsw22 vsw22 2nd normally closed contact hts12s59c vts12s59c thermal switch normally closed self operating.
Double switch bipolar one closes before the other. An on off switch allows current to flow only when it is in the closed on position. Generic symbol info. Switch with delayed opening and closing.
