QDTB® Transformer

JBK5-300VA

JBK5 Series • 300VA • ≤1000V → Custom

Product Image & Parameters

JBK5 - QDTB

Images are for illustration purposes only

JBK5-300VA

JBK5 Series

Capacity
300VA
Input voltage
≤1000V
Output voltage
Custom
Frequency
50/60Hz
Efficiency
≥90%
Weight
130kg
Control TypeLow NoiseISO 9001

TECHNICAL DRAWING

Model: JBK5-300VA | Type: Oil-immersed transformer | Capacity: 300 kVA

FRONT ELEVATION

Oil level1U1V2U2NTAPN.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

1U1V2U2N135mm

TERMINAL BLOCK

HV TERMINAL BLOCK1U1V1W1NLV TERMINAL BLOCK2U2V2W2N2PETerminal block configurationTin-plated copper busbar

CORE & WINDING

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

Technical specifications

1. Model:JBK5-300VA
2. Type:Oil-immersed transformer
3. Capacity:300 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:120×100×125mm
20. Weight:130kg
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line

Product Description

JBK5-300VA JBK5 Series Single Phase Transformer, rated 300VA, primary ≤1000V, customizable output voltage, 50/60Hz, ISO certified China manufacturer

Related Keywords

JBK5-300VAJBK5single phase transformer300VA

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JBK5-300VA - Frequently Asked Questions

QWhat are the main applications of JBK5-300VA?

JBK5-300VA (JBK5 series, Single 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 JBK5-300VA?

Key specifications: Capacity: 300VA, Input ≤1000V, Output Custom, Frequency 50/60 Hz.

QCan JBK5-300VA 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 JBK5 Series

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JBK5-200VA
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JBK5-250VA
Rated Capacity: 250VA
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JBK5-400VA
Rated Capacity: 400VA
Voltage: ≤1000V → Custom
JBK5-500VA
Rated Capacity: 500VA
Voltage: ≤1000V → Custom

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