QDTB® Transformer

QZB-225

QZB Series • 225VA • 380V → Reduced voltage start

Product Image & Parameters

QZB - QDTB

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QZB-225

QZB Series

Capacity
225VA
Input voltage
380V
Output voltage
Reduced voltage start
Frequency
50Hz
Dimensions
700×580×700 mm
Weight
1000kg
Dry TypeFire SafeHigh Efficiency

TECHNICAL DRAWING

Model: QZB-225 | Type: Oil-immersed transformer | Capacity: 225 kVA

FRONT ELEVATION

Oil level1U1V1W2U2V2W2NTAPN.P.180mm240mm

ELECTRICAL SCHEMATIC

HV WINDING (Delta)1U1V1WLV WINDING (Star)2U2V2W2NDyn11

EFFICIENCY vs LOAD

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

SIDE VIEW

Oil level135mm

TOP VIEW

1U1V1W2U2V2W2N135mm

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:QZB-225
2. Type:Oil-immersed transformer
3. Capacity:225 kVA
4. Frequency:50 Hz
5. HV voltage:10 kV
6. LV voltage:0.4 kV
7. HV current:-
8. LV current:-
9. Vector group:Dyn11
10. Impedance:-
11. Insulation level:A
12. Temperature rise:65K
13. No-load loss:-
14. Load loss:-
15. No-load current:-
16. Cooling method:ONAN
17. Tap changer:±2×2.5%
18. Standard:GB1094
19. Dimensions:700×580×700 mm
20. Weight:1000kg
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line

Product Description

QZB-225 QZB Series Three Phase Transformer, rated 225VA, primary 380V, secondary Reduced voltage start, 50Hz, ISO certified China manufacturer

Related Keywords

QZB-225QZBthree phase transformer225VA

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EXW (FOB Qingdao)
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Aluminum winding — no copper linkage

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QZB-225 - Frequently Asked Questions

QWhat are the main applications of QZB-225?

QZB-225 (QZB series, Three Phase 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 QZB-225?

Key specifications: Capacity: 225VA, Input 380V, Output Reduced voltage start, Frequency 50 Hz.

QCan QZB-225 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.

Related Products in QZB Series

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Rated Capacity: 14VA
Voltage: 380V → Reduced voltage start
QZB-20
Rated Capacity: 20VA
Voltage: 380V → Reduced voltage start
QZB-28
Rated Capacity: 28VA
Voltage: 380V → Reduced voltage start
QZB-30
Rated Capacity: 30VA
Voltage: 380V → Reduced voltage start
QZB-40
Rated Capacity: 40VA
Voltage: 380V → Reduced voltage start
QZB-55
Rated Capacity: 55VA
Voltage: 380V → Reduced voltage start

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