IEC 61439 'Low-voltage switchgear and controlgear assemblies', specifies standard arrangements of switchboard (call forms of internal separation).The are labelled as Form 1, Form 2, Form 3 and Form 4. Forms 2, 3 and 4 are further broken down into Form 2a, 2b, 3a, 3b, 4a and 4b.Each Form relates to t

On August 11, 2022, 22nd EPOWER was held in Nanjing International Expo Center. AISIKAI, as an exhibitor, attached great importance to this event. In the current pandemic, under the premise of comprehensive assurance of pandemic control and safety, AISIKAI booth was still crowded with visitors.

A miniature circuit breaker can provide much more than current protection, it can also provide remote tripping, status indicator, under-voltage/overvoltage protection, and other features.What is Auxiliary contact?Auxiliary contacts (or switches) are supplementary contacts that are added to a circuit