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ABB 1250kVA 21,5 (10,75)/0,425kV

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Technical specifications

Quantity2 pcs
BrandABB, Spain
Year of Manufacture2005
ConditionSecond Hand,
Basic Transformer DesignCast Resin
Ingress ProtectionIP00
ClassificationsE2 – C1 – F1
ApplicationDistribution Transformer
Number of PhasesThree-phase
Rated Power1250 kVA
CoolingAN
Voltage Ratio21500 (10750)/ 425 V
Prim .Ins. Level (Um/LI/AC)24 kV / LI 125 / AC 50
Sec. Ins. Level (Um/LI/AC)1,1 kV / – / AC 3
Voltage Regulationoff-circuit, bolted links
Tapping Range+-2×2.5%, see table below
Temperature Class (HV/LV)Class F / Class F
Temperature Rise (HV/LV)100/100 K
Frequency50 Hz
Vector GroupD(D)yn11
StandardsIEC 60076-11
Impedance5,9/5,89 %
Total Weigth3425 kg
EnclosureIP21

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BTB quality and flexible manufacturing partners

When you see the BTB nameplate on a transformer, you know it meets our strict quality standards. Our distribution transformers are manufactured by SEM Transformatör, whose certified quality guarantees durability in demanding conditions.

ISO 9001
ISO 14001
IEC 60076
OHSAS 18001

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Long-term cooperation

Short lead times from European manufacturer