The protection class denotes:
- Protection class (electrical engineering) , the classification of equipment according to the use of protective measures against electric shock
- Protection class (bunker) , the classification of bunkers according to their degree of protection against explosions and against biological, chemical and radiological contamination
- the classification of gunshot vests in their ability to protect against bullets of certain types and calibers;
- the suitability of an automobile to withstand a certain weapon in the event of an attack, see special protection vehicle .
The “protection class” is often incorrectly referred to as the type of protection - the classification of electrical equipment against the ingress of dirt and moisture.