Maksimum wisselstroom: 275V, Maksimum DC volt: 369V, Varistorspanning (tipies): 270V, Varistor spanning (maksimum): 473V, Stroom - Oplewing: 4.5kA,
Maksimum wisselstroom: 140V, Maksimum DC volt: 180V, Varistorspanning (min.): 198V, Varistorspanning (tipies): 220V, Varistor spanning (maksimum): 242V, Stroom - Oplewing: 2.5kA,