Single-pole vacuum circuit breaker VBN-27.5 II-25/1600 UHL 1 It is intended for switching of electric circuits at normal and emergency modes in single-phase alternating current networks for traction substations electrified railways.

Switch VBN-35-25 / 1600 UHL 1 is designed for switching electric circuits under normal and emergency conditions in three-phase networks AC for open and closed switchgears voltage of 35 kV.