Neutral can be set in the OFF or ON positions, at 100% or at 160% of the phases Ekip G-LS/I : Neutral, in four-pole circuit-breakers, can be set in the OFF, ON positions at 50% or 100% of the phases; Note: For detailed information about trip units, refer technical catalogue....
For some types of circuit- breakers this value could be lower (see the technical catalogue for further information). Low voltage selectivity with ABB circuit-breakers 7 Technical Application Papers Selectivity techniques Current selectivity This type of selectivity is based on the observation that the ...