The knee-type disconnector consists of one articulated arm which, by moving “horizontally” on the plane of the insulators, closes the circuit on a fixed contact located on the side insulator.
Since the movement of the arm takes place on the same plane as that of the insulators, the phase-to-phase spacing is minimized.
Compared to the vertical-break disconnector (SLOB), the dimensions of the knee-type model in open position are reduced, thus allowing for top metal structures (if any) to be placed at lower heights.
Rated voltage: 245 – 800 kV
Rated continuous current: up to 6300 A
Rated short-time withstand current: up to 75 kA (3 s)



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manufactured by iSAT exclusively in India under Joint Venture partnership.
Fuel-efficient, durable, and widely used for industrial and commercial backup power.
Operate on natural gas or LPG, ideal for cleaner operation and reduced emissions.
Fuel-efficient, durable, and widely used for industrial and commercial backup power.
High-capacity generators designed for heavy-duty applications in factories, construction sites, and large facilities.