QDTB® Transformer

TF-1KVA

Triple-Freq Series • 1kVA • 0.38/0.38 kV

Product Image & Parameters

Triple-Freq - QDTB

Images are for illustration purposes only

TF-1KVA

Triple-Freq Series

Capacity
1kVA
Frequency
50/150Hz
Short-circuit impedance
5%
Cooling method
AN
Applied standard
GB/T 1094, IEC 60076
Dimensions
140×130×150 mm
Weight
10kg
Energy SavingLow Loss

TECHNICAL DRAWING

Model: TF-1KVA | Type: Oil-immersed transformer | Capacity: 1 kVA

FRONT ELEVATION

Oil level1U1V1W2U2V2W2NTAPN.P.120mm150mm

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 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:TF-1KVA
2. Type:Oil-immersed transformer
3. Capacity:1 kVA
4. Frequency:50 Hz
5. HV voltage:0.38 kV
6. LV voltage:0.38 kV
7. HV current:-
8. LV current:-
9. Vector group:Dyn11
10. Impedance:5%
11. Insulation level:A
12. Temperature rise:65K
13. No-load loss:-
14. Load loss:-
15. No-load current:-
16. Cooling method:AN
17. Tap changer:±2×2.5%
18. Standard:GB/T 1094, IEC 60076
19. Dimensions:140×130×150 mm
20. Weight:10kg
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line

Product Description

TF-1KVA series Triple-Freq Control transformer. 1kVA 0.38kV/0.38kV. Class F insulation, dry-type design. Genuine QDTB product, ISO 9001 certified, global export.

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EXW (FOB Qingdao)
$10
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Price Breakdown
Base price (interpolation)$10
× Product factor×1.0000
× Country factor×1.0000
× Copper-linked factor×1.0000
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Aluminum winding — no copper linkage

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TF-1KVA - Frequently Asked Questions

QWhat are the main applications of TF-1KVA?

TF-1KVA (Triple-Freq series, Special/Isolation/Control 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 TF-1KVA?

Key specifications: Capacity: 1kVA, HV 0.38 kV, LV 0.38 kV, Frequency 50/150 Hz, Impedance 5%, Cooling AN, Standard GB/T 1094, IEC 60076.

QCan TF-1KVA 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 Triple-Freq Series

TF-10KVA
Rated Capacity: 10kVA
Voltage: 0.38/0.38 kV
TF-2KVA
Rated Capacity: 2kVA
Voltage: 0.38/0.38 kV
TF-20KVA
Rated Capacity: 20kVA
Voltage: 0.38/0.38 kV
TF-5KVA
Rated Capacity: 5kVA
Voltage: 0.38/0.38 kV
TF-15KVA
Rated Capacity: 15kVA
Voltage: 0.38/0.38 kV
TF-30KVA
Rated Capacity: 30kVA
Voltage: 0.38/0.38 kV

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