1,000+ Electrical Transformers (7.2–34.5 kV, 25–3000 kVA) — UL Evaluated, Certificate of Compliance Available — In Stock & Ready to Ship from Houston, CA & Florida. Contact Us Today!  

315kVA Tier 2 Oil Filled Distribution Transformer

Additional information

Standards: IEC 60076

Rated Power: 315 kVA

Rated Frequency: 50 Hz

Rated High Voltage: 11kV

HV Tapping Range: +7½, -5 %

Tap Switch: Off circuit

Rated Low Voltage: 415V

Tap Steps: 5 x 2½ %

Cooling Method: ONAN

Thermal Class: A (105oC)

Coolant: Mineral Oil

Insulation Level : Ak Ao -10 %

Vector Group: Dyn11

Core Material: CRGO

Winding Material: Aluminium

Temperature Rise, Oil/Wdg: 60 / 65°C

Load Loss @ 75°C: 2800 W

No Load Loss: 324 W

Impedance: 4.75%

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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

Contact Daelim Transformer for special requirements

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
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 4 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).
Paint Finish
Painted in  a dark grey finish to BS381c – 632
incorporating corrosion category C4 of ISO 12944.
Daelim Transformer CE Certificate

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Daelim Belefic IEEE PES T&D 2026