As a cost effective solution for erminations the monoblock bushing has a number of advantages over traditional orcelain bushings. The monoblock product range is offered in accordance with EN50336 (historically BS2562) for use to 1.1kV and 4 000A with a standard maximum number of connection of 4 per phase and neutral. The monoblock is supplied with a standard hole arrangement  as per the specification of 4 holes on a 35 x 25 centres, alternative hole arrangements are available to suit customers exact requirements.