QDTB® Transformer

YB-12/0.4-400

YB Series • 400kVA • 12/0.4 kV

Product Image & Parameters

YB - QDTB

Images are for illustration purposes only

YB-12/0.4-400

YB Series

Capacity
400kVA
HV Voltage
12kV
LV Voltage
0.4kV
Frequency
50Hz
Short-circuit impedance
4%
Cooling method
ONAN
Efficiency
S13
Applied standard
GB/T 17467, IEC 61330
Connection
Dyn11 (IEC)
Energy SavingLow Loss

Product Drawing

Box-Type Substation - YB-12/0.4-400

APPEARANCE — THREE-COMPARTMENT
HVTRANSFORMERLVYB-12/0.4-400
PRIMARY CIRCUIT — SINGLE-LINE
BOX-TYPE SUBSTATION — SINGLE-LINEHV INLV OUTYB-12/0.4-400
INTERNAL LAYOUT — TOP VIEW
INTERNAL LAYOUT — TOP VIEWHV ROOMTRANSFORMERLV ROOMYB-12/0.4-400

SPECIFICATIONS

1. Model (Product code):YB-12/0.4-400
2. Series:YB
3. Rated Capacity:400 kVA
4. Rated HV voltage:12 kV
5. Rated LV voltage:0.4 kV
6. HV current:19.25 A
7. LV current:577.35 A
8. Frequency:50 Hz
9. Impedance:4%
10. No-load loss:410 W
11. Load loss:4520 W
12. No-load current:0.7%
13. Temperature Rise:65 K
14. Insulation class:A (105°C)
15. Efficiency class:S13
16. Cooling method:ONAN
17. Connection group:Dyn11 (IEC)
18. Protection Level:IP33
19. Standard:GB/T 17467, IEC 61330
20. Weight:3500

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

Product Description

YB-12/0.4-400 energy-saving prefabricated substation with S13 transformer. Reduced no-load loss for green building and energy efficiency projects.

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EXW (FOB Qingdao)
$5,587
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Complete equipment — no winding copper linkage

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YB-12/0.4-400 - Frequently Asked Questions

QWhat are the main applications of YB-12/0.4-400?

YB-12/0.4-400 (YB series, Box-Type Substations) is widely used in urban distribution networks, industrial parks, renewable energy stations and temporary power supplies. Can be flexibly configured according to actual project requirements.

QWhat are the main technical specifications of YB-12/0.4-400?

Key specifications: Capacity: 400kVA, HV 12 kV, LV 0.4 kV, Frequency 50 Hz, Impedance 4%, Connection Dyn11 (IEC), Cooling ONAN, Standard GB/T 17467, IEC 61330.

QWhat is the delivery time for prefabricated substations?

Standard prefabricated substations have a delivery time of 15-25 working days. Custom configurations require 30-45 working days. We always stock common specifications and can provide fast delivery for urgent orders.

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 YB Series

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YB-12/0.4-100-s11
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YB-12/0.4-160
Rated Capacity: 160kVA
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YB-12/0.4-160-s11
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YB-12/0.4-200
Rated Capacity: 200kVA
Voltage: 12/0.4 kV
YB-12/0.4-200-s11
Rated Capacity: 200kVA
Voltage: 12/0.4 kV

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