Description: in Hertz (Hz) specified by the manufacturer for the normal usage of a generator, and the accessory or associated equipment; Name: rated frequency
Description: Clarification of the object to a certain frequency which repeats itself regularly; Name: Nominal frequency
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