three phase power transformers

11/0.4kV 2000kVA three phase power transformers

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11/0.4kV three phase power transformers 2000kVA with On load tap charger(OLTC)


Mineral oil-filled, 50 Hz, three phase power transformer with the following characteristics:

• Hermetically sealed with integral filling

• Cover bolted tank


• Mineral oil in accordance with IEC 60296

• Indoor / outdoor use (depending on selected fittings and options)

• Anti-corrosion surface treatment: corrodibility category class C3, "Medium" durability (according to ISO 12944-2)

• Final colour RAL 7033


These transformers comply with standards:

• prEN 50588

• EN 60076

• Ecodesign regulation EU 548-2014 Standard fitting

• One 3 or 5 positions off-circuit tap changer on the cover, with padlocking facility

• 3 HV plug-in bushings (250 A / 15kV) on the cover

• 4 LV porcelain bushings

• 4 bi-directional flat rollers lifting and un-tanking lugs

• 2 pulling eyes on the frame

• 2 earthing terminals on the cover

• 1 filling plug

• 1 draining device according to EN 50216-4 or DIN 42551

• 1 aluminum rating plate


• Protection relays (DMCR or DGPT2) on the filling plug

• 1 free, thermometer pocket

• Control device in the thermometer pocket (pointer thermometer with 0 or 2 contacts max, 2-contact thermostat, etc.)

• 3 HV porcelain bushings (250 A)

• LV, cable box IP21 or IP54

• Locking device for plug-in bushings (with or without lock)

• 3 mobile connectors for plug-in bushings–straight or elbow (cable characteristics must be specified)

• Liquid retention bund

The above options concern usual cases and are not restrictive. For additional information, please consult Rockwell Transformer.

11/0.4kV power transformer 2000kVA with On load tap charger(OLTC)