S-25/33/400
Other Series • 25 kVA • 33/0.4 kV
Product Image & Parameters
S-25/33/400
Other Series
Capacity
25kVA
HV Voltage
33kV
LV Voltage
0.4kV
Efficiency
2Level
Amorphous Alloy CoreEnergy SavingLow Loss
TECHNICAL DRAWING
Model: S-25/33/400 | Type: Dry-Type Transformer | Capacity: 25 kVA
FRONT VIEW
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
ELECTRIC SCHEMATIC DIAGRAM
SPECIFICATIONS
1. Model:S-25/33/400
2. Type:Dry-Type Transformer
3. Capacity:25 kVA
4. Frequency:50 Hz
5. HV Voltage:33 kV
6. LV Voltage:0.4 kV
7. HV Current:0.44A
8. LV Current:36.08A
9. Vector Group:Dyn11 (IEC)
10. Impedance:4%
11. Insulation Level:A (105°C)
12. Temperature Rise:65K
13. No-Load Loss:1060W
14. Load Loss:2650W
15. No-Load Current:0.9%
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
25kVA, 3-phase oil-immersed transformer, 50Hz, primary 33kV (HV 33kV), secondary 400V (LV 400V), IEC, insulation A, impedance 4%
Related Keywords
S-25/33/400 oil immersed power transformer25kVA oil type distribution transformer33kV distribution network transformerS series general purpose oil filled distribution transformer
S-25/33/400 FAQ
What are the main application scenarios for S-25/33/400?
The S-25/33/400 (Other series oil-immersed transformers) with rated capacity of 25 kVA, HV side 33 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-25/33/400?
Key specs: Capacity 25 kVA, HV 33 kV, LV 0.4 kV, Frequency 50 Hz, Impedance 4%, Vector Group Dyn11 (IEC), Cooling ONAN, Standard IEC 60076.
Can S-25/33/400 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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