AC Utilization Categories IEC 60947

Utilization Categories indicate the type of Load and Duty Cycle of the load basis which selection of Switchgear should be done for the intended application.

What is Arc Blast ?

Arc Blast is the supersonic shockwave produced when the uncontrolled Arc vaporizes the metal conductors and expanding Plasma.

Degree of Burn

Degree of Burn is the level of depth of Burn effect on the human skin up to bones.

Methods of Heat Transfer

Heat is a flow of energy from higher temperature object to lower temperature object. Heat transfer continues until two objects reaches thermal equilibrium.