PT. Bambang Djaja guarantees new B&D Transformer free from manufacturing and workmanship defects  for 12-month after commissioning or 18-month after customer acceptance, whichever shorter. This guarantee includes free of charge transformer or parts replacement and onsite inspection & service.

7-day/week service is available for commissioning, onsite inspection, quick integrity test including resistance insulation and winding turn ratio test, oil dielectric strength test and purifying, breather handling, and specific part replacement.

We also service other brand transformers for work such as coil rewinding (disc, rectangular, enamel, copper sheet or aluminum foil type winding), parts replacement, insulation renewal etc. Pictured at the right side, 3000 kVA disc-type winding, ONAN cooling, panel-type radiator, three-phase transformer being untanked for rewinding service.