S-20/20/400

Other Series20 kVA • 20/0.4 kV

Product Image & Parameters

20kVAOther

S-20/20/400

Other Series

Capacity
20kVA
HV Voltage
20kV
LV Voltage
0.4kV
Efficiency
2Level
Amorphous Alloy CoreEnergy SavingLow Loss

TECHNICAL DRAWING

Model: S-20/20/400 | Type: Dry-Type Transformer | Capacity: 20 kVA

FRONT VIEW

HVLV1U1V1W2U2V2W2N120mm150mm

SIDE VIEW

Ventilation90mm

TOP VIEW

1U1V1W2U2V2W2N120mm90mm

TERMINAL BLOCK

HV TERMINAL BLOCK1U1V1W1N1PELV TERMINAL BLOCK2U2V2W2N2PE2122Terminal Block ConfigurationTin-Plated Copper Busbar

ELECTRIC SCHEMATIC DIAGRAM

HV WINDING (Delta)1U1V1WLV WINDING (Star)2U2V2W2NVector GroupDyn11 (IEC)

SPECIFICATIONS

1. Model:S-20/20/400
2. Type:Dry-Type Transformer
3. Capacity:20 kVA
4. Frequency:50 Hz
5. HV Voltage:20 kV
6. LV Voltage:0.4 kV
7. HV Current:0.58A
8. LV Current:28.87A
9. Vector Group:Dyn11 (IEC)
10. Impedance:4%
11. Insulation Level:A (105°C)
12. Temperature Rise:65K
13. No-Load Loss:890W
14. Load Loss:2225W
15. No-Load Current:1%
16. Cooling Method:ONAN
17. Tap Changer:±2×2.5% 多档
18. Standard:IEC 60076
19. Dimensions:800×600×1000mm
20. Weight:-
LEGEND:
Iron Core
HV Winding/Bushing
LV Winding/Bushing
Dimension Line

Product Description

20kVA, 3-phase oil-immersed transformer, 50Hz, primary 20kV (HV 20kV), secondary 400V (LV 400V), IEC, insulation A, impedance 4%

Related Keywords

S-20/20/400 oil immersed power transformer20kVA oil type distribution transformer20kV distribution network transformerS series general purpose oil filled distribution transformer

S-20/20/400 FAQ

What are the main application scenarios for S-20/20/400?
The S-20/20/400 (Other series oil-immersed transformers) with rated capacity of 20 kVA, HV side 20 kV, LV side 0.4 kV, is widely used in industrial distribution, commercial buildings, and power systems. It can be flexibly configured according to actual project requirements.
What are the technical specifications of S-20/20/400?
Key specs: Capacity 20 kVA, HV 20 kV, LV 0.4 kV, Frequency 50 Hz, Impedance 4%, Vector Group Dyn11 (IEC), Cooling ONAN, Standard IEC 60076.
Can S-20/20/400 be customized?
Yes. QDTB® offers comprehensive OEM/ODM customization. Parameters such as capacity, voltage ratio, cooling method, vector group, and protection class can be adjusted. 23+ years of manufacturing experience ensures consistent quality.
How to get a quote and technical documentation?
Contact us via the "Send Inquiry" button below, or reach our sales team at Alice@qdtb-transformer.com / +86 13698683193. We will provide detailed quotations and technical documentation within 24 hours.

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