... 1.Pole No. : 1,2,3,4 2.Pillar terminal with clamp 3.Frequency: 50/60Hz 4.On-off indicating window 1.Construction ... ,2,3,43.2.Frequency: 50/60Hz3.3.Connection terminal: 3.4.Pillar terminal with clamp3.5.On-Off indicating window: Green: normal ... : functionless, immediate replacement required3.6.Connection capacity: rigid conductor 25mm2 4.Overall & installation dimensions