QDTB® Transformer

S11-R-M-50/10/0.48

S11 Series • 50kVA • 10/0.48 kV

Product Image & Parameters

S11 - QDTB

Images are for illustration purposes only

S11-R-M-50/10/0.48

S11 Series

Capacity
50kVA
HV Voltage
10kV
LV Voltage
0.48kV
Frequency
60Hz
Short-circuit impedance
4%
Cooling method
ONAN
Efficiency
Class 1
Applied standard
IEEE C57 / ANSI C84.1
Connection
Delta-Wye (IEEE Std)
Energy SavingLow Loss

TECHNICAL DRAWING

Model: S11-R-M-50/10/0.48 | Type: Oil-immersed transformer | Capacity: 50 kVA

FRONT ELEVATION

Oil level1U1V1W2U2V2W2NTAPN.P.120mm150mm

ELECTRICAL SCHEMATIC

HV WINDING (Delta)1U1V1WLV WINDING (Star)2U2V2W2NDelta-Wye (IEEE Std)

EFFICIENCY vs LOAD

90%95%98%99%0%25%50%75%100%≈99%load %efficiency %

SIDE VIEW

Oil level90mm

TOP VIEW

1U1V1W2U2V2W2N90mm

TERMINAL BLOCK

HV TERMINAL BLOCK1U1V1W1N1PELV TERMINAL BLOCK2U2V2W2N2PE2122Terminal block configurationTin-plated copper busbar

CORE & WINDING

OIL / TANKHV winding/bushingINSULATIONLV winding/bushingIron coreconcentric cross-section

Technical specifications

1. Model:S11-R-M-50/10/0.48
2. Type:Oil-immersed transformer
3. Capacity:50 kVA
4. Frequency:60 Hz
5. HV voltage:10 kV
6. LV voltage:0.48 kV
7. HV current:2.89A
8. LV current:60.14A
9. Vector group:Delta-Wye (IEEE Std)
10. Impedance:4%
11. Insulation level:A (105°C)
12. Temperature rise:65K
13. No-load loss:130W
14. Load loss:870W
15. No-load current:0.7%
16. Cooling method:ONAN
17. Tap changer:±2×2.5% Multi-tap
18. Standard:IEEE C57 / ANSI C84.1
19. Dimensions:899×499×692 mm
20. Weight:430kg
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line

Product Description

50kVA, 3-phase oil-immersed transformer, 60Hz, primary 10kV (HV 10kV), secondary 480V (LV 480V), S11, insulation A, impedance 4%

Related Keywords

S11-R-M-50/10/0.48 oil immersed power transformer50kVA oil type distribution transformer10kV distribution network transformerS11-M series oil filled transformer low loss for urban grid

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EXW (FOB Qingdao)
$2,332
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Aluminum winding — no copper linkage

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S11-R-M-50/10/0.48 - Frequently Asked Questions

QWhat are the main applications of S11-R-M-50/10/0.48?

S11-R-M-50/10/0.48 (S11 series, Oil-Immersed Transformers) is widely used in industrial power distribution, commercial buildings and utility power systems. Can be flexibly configured according to actual project requirements.

QWhat are the main technical specifications of S11-R-M-50/10/0.48?

Key specifications: Capacity: 50kVA, HV 10 kV, LV 0.48 kV, Frequency 60 Hz, Impedance 4%, Connection Delta-Wye (IEEE Std), Cooling ONAN, Standard IEEE C57 / ANSI C84.1.

QCan S11-R-M-50/10/0.48 be custom ordered?

Yes. QDTB® provides comprehensive OEM/ODM customization services. Parameters such as capacity, voltage ratio, cooling method, connection group and protection class can all be adjusted. Over 25 years of manufacturing experience ensures consistent quality.

QHow to get a quote and technical documentation?

Contact via the "Send Inquiry" button below, or contact sales at Alice@qdtb-transformer.com / +86 13698683193. We provide detailed quotations and technical documentation instantly.

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S11-R-M-10/10/0.48
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