Home » Tender for Retrofitting Of Existing Hpa 12/1640 Amp. 12kv, 1600amp. Sf6 Circuit Breaker With Vacuum Circuit Breaker, Including Supply, Dismantling, Erection, Commissioning Testing Of The New Vacuum Circuit Breaker At Ph-ii Andchp-i At Sgtps, Mppgcl, Brs </br> Retrof, India