Frequently Asked Questions

Oil-immersed transformers serve 25-30 years, dry-type transformers 20-25 years with proper operation. We provide a 2-year warranty on all transformers.

Yes, all our transformers comply with DSTU and international standards EN, IEC. We have all necessary certificates of conformity.

Oil-immersed transformers use oil for insulation and cooling, have higher efficiency and lower cost. Dry-type transformers are safer, more environmentally friendly and require no special maintenance.

We manufacture transformers with Standard, ECO1 and ECO2 loss classes. ECO1 and ECO2 class transformers have significantly lower losses and higher energy efficiency.

Oil-immersed transformers are usually installed outdoors due to fire safety requirements. For indoor installation, we recommend dry-type transformers with F1 fire resistance class.

We use copper and aluminum windings. Copper provides better electrical characteristics and longer service life, aluminum is a more economical option.

Standard models are manufactured within 2-4 weeks. Custom orders with non-standard parameters may take up to 8 weeks to manufacture.

Yes, we deliver transformers throughout Ukraine. Delivery cost is calculated individually depending on dimensions, weight and distance.

We work with 30-50% prepayment and payment upon delivery. Individual payment terms are possible for regular customers.

Oil-immersed transformers require annual monitoring of oil condition and general technical condition. Dry-type transformers virtually require no maintenance - only periodic dust cleaning.

Yes, we provide a full range of services: commissioning, technical maintenance, repair, and transformer modernization.

If a malfunction is detected, immediately disconnect the transformer and contact our service department at +380 67 995 9996. We will provide emergency consultation and organize repair.