Panickker Switchgear Pvt. Ltd offers Air Insulated Ring Main with Vacuum Circuit Breaker-VCB. Panickker Switchgear Pvt. Ltd is an ISO 9001:2008 accredited company. The Company also offers indoor and outdoor air and vacuum load break switches and manual and motor operated VCB`s and isolators. The Air Insulated Ring Main with Vacuum Circuit Breaker-VCB has rated voltage of 12 kV and rated current of 630 A. The Air Insulated Ring Main with Vacuum Circuit Breaker-VCB has load breaking current of 630 A and closed - loop breaking current of 100 A. This Air Insulated Ring Main has lightning impulse to withstand voltage.