1,New model with square indicator. 2,3KA,4.5KA,6KA. 3,CE,KEMA, ... capacity 6KA for whole range and 10kA capacity for current rating up to 40A thanks to the powerful ... protection of circuits with such devices which cause some current surges(groups of bulbs, motors etc.)D The ... for protection of circuits with devices which cause high current surges(transformers,double-pole motors,motors with heavy start ...