Garg distributors offers singma elcb that ensures fool-proof and reliable protection from all hazards of low and medium voltage electricity. It provides dependable protection from electricity faults, which may cause electrocution, fire and excessive metering due to leakage. Elcbs are recommended for: [i] all residential premises as main incoming after energy meter; [ii] all domestic equipments where there is proximity of moisture/conductive liquids, i.E., water heater, washing machines, pump sets, etc; [iii] all construction and out-door electrical equipments such as lifts, hoists, polishing machines, lawn movers, etc; [iv] in all industrial units; [v] agriculture pump sets; and [vi] operation theatres and electricity operated medical equipments, i.E., x-ray machines, etc. According to medical data, a human body cannot bear leakage current more than 30 ma. Because the trip mechanism is operated at a residual current of between 50-100 per cent of its rated tripping current. Hence for human protection elcb with rated tripping rating of 30 ma is best suitable elcb with rated rtipping current above 30 ma do not guarantee to human life. Protection from fires caused due to earth leakage is best obtained by using elcb with 100/300 ma sensitivity. A test button is incorporated in the elcb to check the electrical and mechanical operation. On pressing this button, the elcb should instantaneously trip to prove its effectiveness.
