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1250kVA Tier 2 Oil Filled Distribution Transformer

Additional information

Standards: BS EN 60076

Rated Power: 1250kVA

Rated Frequency: 50 Hz

Rated High Voltage: 11 kV

Rated Current: 1739 A

HV Tapping Range: +7½, -5 %

Rated Low Voltage: 415 V

Tap Steps: 5 x 2½ %

Rated Current: 65.6 A

Cooling Method: ONAN

Coolant: Mineral Oil

Vector Group: Dyn11

Core Material: CRGO

Winding Material: Aluminium

Temperature Rise, Oil/Wdg: 60 / 65°C

Load Loss @ 75°C: 9500 W

No Load Loss: 855 W

Impedance: 5.0%

Tier 2 EU 548/2014: Ak Ao -10 %

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HV Cable Box
3 pole single gland air filled, shroud insulated, suitable
for a single multi core cable from below complete with a mild
steel gland plate. Compliant with BS EN 50336 and BS 2562. (Excludes necessary glands, lugs and termination kit).
LV Cable Box
4 pole 12 gland air insulated, suitable for single core cables from below, complete with mono block bushing, non-magnetic gland plate. Compliant with BS EN 50336 and BS 2562.
(Excludes necessary cables, glands and lugs).
Neutral Point
A fully rated neutral point is provided as standard.

Contact Daelim Transformer for special requirements

ENA TS 35-1 terminal height
Oil filler top plate
Oil level indicator
Main lifters
Breather Pipe
Thermometer pocket
Rating and diagram plate with CE and UKCA marks
Oil drain / sampling valve
Stainless steel earth lugs
Jacking points
1 x Desiccant breather
2 x Tins touch up paint (1x Grey, 1x Yellow)
1 x Paint Brush
1 x Transformer routine test certificate
1 x Certificate of Conformity
1 x O&M manual
Daelim Transformer CE Certificate

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Daelim Belefic IEEE PES T&D 2026