Power transformer bushing TBS 250A

oil

This bushing has an epoxy resin core that ensures good mechanical performances and excellent insulation level. The external coating consists of liquid silicone rubber co-moulded on the core that guarantees excellent resistance to degradation caused by atmospheric agents (sandstorms, UV radiations, saline enviroment, industrial pollution…). The insulator is provided with an aluminium flange for fixing to no°4 M10 studs of the transformer carpentry. The electric field inside the insulator is controlled by a metal shield. This shield must normally be connected to earth by means of the set included in the supply of the isolator, but it can be used to pick up a voltage presence signal, using a special kit supplied separately only on request. Every bushing is supplied with: Nickel-plated brass nuts and washers for air side connection (M12) Nuts and washers in brass for the oil side connection (M12) Cork rubber seal Screen grounding set Nickel-plated brass cap, prepared for anchoring spark-gap horns Nuts and washers in stainless steel for fixing to the transformer studs (M10) APPLICATIONS Bushing for outdoor applications in oil insulated transformers.