Profile: Ryness Electrical Supplies Ltd. specializes in providing electrical and lighting solutions. Our BTU mobile air conditioner is ideal for home or office. It will cool rooms aound 18 cubic meters. It is provided with a remote control and timer facility. Our electrical products include extended leads & adapters, cable flex & sleeving, switchgear & breakers and lighting accessories. Our wylex NSB50 MCB has a short circuit breaking capacity of 6000 A. The current carrying capacity of the cable should always exceed the current rating of the MCB to prevent damage. It is used as single pole isolating switches.