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Dry-Type Distribution Transformer

Engineered for dependable medium- and low-voltage power distribution, the dry-type distribution transformer delivers efficient voltage conversion without liquid insulation. Its compact construction, air-cooled operation, and flexible installation options make it suitable for commercial buildings, industrial facilities, public infrastructure, and indoor electrical distribution systems.

100–3,150 kVA

Rated Capacity

Up to 35 kV

Rated Voltage

Dry-Type

Type

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technical specifications


category

specification

rated capacity

100–3,150 kVA

rated voltage

Up to 35 kV (HV Class)

vector group

Dyn11 / Dyn5 (three-phase configurations)

impedance

4–8% (depending on rating and design)

cooling method

AN / AF

insulation level

According to IEC 60076-3 and applicable voltage class

tap changer

Off-Circuit Tap Changer (OCTC)

frequency

50 Hz / 60 Hz

applicable standards

IEC 60076-11 / IEC 60076-1 / IEC 60076-3

operating conditions


category

specification

ambient temperature

−25°C to +40°C

relative humidity

≤95% (non-condensing)

altitude

≤1,000 m (standard configuration)

installation environment

Indoor electrical rooms with adequate ventilation and protection from moisture

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