Ventilators, Current meters Ventilators Current meters Ventilator for bath, ø10 VK/10-1/4΄΄ Ventilator for bath, ø12 VK/10-1/5΄΄ Three phase meter, 60Α VK/10/60A/3 Three phase meter, 100A VK/10/100A/3 Three phase meter, 30Α VK/10/30A/3