Conforms to IS/IEC 60947-2 & IEC 60947-2, 4 Pole, Ics=100% of Icu, Wide range of adjustable overload setting from 0.25 - 1.0 x In, Adjustable short circuit setting from 1.5 - 12 x Ir, OR Instantaneous setting from 1.5 - 12 x In, Neutral Overload protection, Suitable for isolation, Compact size, Provision of thermal memory ON/OFF, Variable trip class, Wide range of internal and external accessories, Transparent release cover.