PT 1.1-6-20-20 U3 EKF Stingray pt-1.1-6-20-20

PT current-limiting fuses are intended for use in three-phase alternating current networks with a frequency of 50 and 60 Hz, at a voltage of 6-10 kV, for the protection of power transformers, overhead and cable lines, as well as for the protection of single-phase power transformers for the power supply of signaling, centralization and interlocking (SCI) devices of railways.