Conforms to IS/IEC 60947-2, IEC 60947-2, Range: 20A to 630A, 3 Pole, Choice of 25kA / 36kA / 50kA / 70kA breaking capacities, Ics = 100% Icu, Suitable for Isolation, Adjustable Over Load setting: 0.8 - 1.0 x In, Adjustable Short Circuit setting: 6 - 10 x In, Manual, Rotary or Motorised versions available, Wide Range of snap fit Internal and External Accessories.