How are power factor correction capacitors available?

Three-phase motor power factor correction capacitors are sold by kVAR at a particular voltage rating. Normally they are sold in a trio of three capacitors, which may or may not be packaged in a single enclosure

Why the direction of rotation of table and ceiling fan is different?

Actually ceiling fan can be designed to move either clockwise or anticlockwise direction.It all depend on whether they are set for winter or summer. A switch or extra connection may be needed to get both direction which has only one type of... direction.