无载开关“TKC”系列-OFF CIRCUIT "TKC" SERIES TAP CHANGERS

The main characteristics of this new series of tap changers are:
• Speed of installation; • Safe and exact switch movement;
• Exact contact positioning after the switching maneuver;
• Compact dimensions;
• Possibility to adapt the TKC to the thickness of the transformer tank.
These units may be used with mineral oil or silicon liquid. They are fixed below the transformer cover by a support. They allow adjustment or combinations according to the diagrams given in the following pages. There is no need for washers during assembly because the tap changer adjusts itself according to the thickness of the transformer tank. Oil tightness is provided by O-rings.
The catalogue illustrates normally used tap changers and standard accessories. Special tap changers may be designed to meet special requirements.

COMEM, a company with UNI EN ISO 9001 certification, has internal procedures that include all the tests necessary to guarantee a safe, reliable and quality product.
The following tests have been carried out at CESI labs in accordance with 60214-1 Standards:
• short circuit current test;
• temperature rise of contacts test;
• dielectric tests