Description: Ratio of the amount of active power to the apparent power; Name: cos phi
Description: Relation of the amount of the active power to the false performance; Name: Power factor (cos phi)
Description: norm/stipulation describing the explosion protection. The explosion protection type, the device category, the temperature class as well as the device / explosion group are taken from this norm. The type and number of the norm/stipulation with issue year and issue month must be given; Name: Reference norm of the explosion protection