THYRISTOR; MODIFIER: SCR; MANUFACTURER’S NAME: ROCKWELL ALLEN BRADLEY; PART NUMBER: 81003-437-51-R; EQUIPMENT OF WHICH PART: DRIVE, PART: 81003-437-51-R; EQUIPMENT PART: DRIVE #1 – 3 OVERLAND BELT SRT-VDF-001@3; EQUIPMENT MANUFACTURER: ROCKWELL ALLEN BRADLEY; EQUIPMENT MODEL: NO INFORMATION; EQUIPMENT SERIAL NUMBER: ROCKWELL ALLEN BRADLEY, BRADLEY; EQUIPMENT MODEL: NO INFORMATION; EQUIPMENT SERIAL NUMBER: NO INFORMATION; ADDITIONAL FEATURES: 815A-6.5KV, W.CONN