State Grid Corporation of China Verified SupplierOne-Stop Supply of Conventional & Solar Power Equipment

QDTB® TransformerQuality Delivery, Transformer Builder

Power System Calculators

Product Search

Find the right transformer for your needs

Technical Resources & Downloads

Free technical documentation for power engineers, EPC contractors, and procurement professionals. Download product catalogs, standards guides, and solution handbooks for transformer, switchgear, and substation selection.

IEC 60076IEEE C57ANSI StandardsPower TransformersSwitchgearSubstations

Product Datasheets

Download technical datasheets (PDF) for every series

Dry-Type Transformers(8 series)

162 Models available

162 Models available

162 Models available

162 Models available

162 Models available

162 Models available

162 Models available

302 Models available

Oil-Immersed Transformers(7 series)

302 Models available

162 Models available

162 Models available

162 Models available

162 Models available

162 Models available

162 Models available

Special/Isolation/Control Transformers(17 series)

256 Models available

8 Models available

6 Models available

256 Models available

11 Models available

4 Models available

256 Models available

7 Models available

5 Models available

7 Models available

10 Models available

6 Models available

256 Models available

256 Models available

ZGS Isolation Transformers

256 Models available

256 Models available

256 Models available

Amorphous Alloy Transformers(2 series)

327 Models available

36 Models available

Box-Type Substations(2 series)

48 Models available

9 Models available

Reactors(12 series)

8 Models available

9 Models available

26 Models available

5 Models available

14 Models available

29 Models available

26 Models available

8 Models available

8 Models available

20 Models available

21 Models available

232 Models available

Cable Branch Boxes & Switching Stations(2 series)

5 Models available

2 Models available

Ring Main Units (RMU)(9 series)

1 Models available

2 Models available

1 Models available

2 Models available

1 Models available

2 Models available

2 Models available

1 Models available

1 Models available

High Voltage Switchgear(9 series)

2 Models available

30 Models available

16 Models available

3 Models available

2 Models available

8 Models available

6 Models available

15 Models available

1 Models available

Low Voltage Switchgear(11 series)

2 Models available

12 Models available

12 Models available

14 Models available

16 Models available

12 Models available

12 Models available

12 Models available

8 Models available

6 Models available

8 Models available

Single Phase Transformers(18 series)

15 Models available

14 Models available

10 Models available

12 Models available

11 Models available

9 Models available

17 Models available

10 Models available

19 Models available

4 Models available

10 Models available

6 Models available

9 Models available

18 Models available

9 Models available

10 Models available

6 Models available

20 Models available

Three Phase Transformers(7 series)

21 Models available

16 Models available

8 Models available

16 Models available

13 Models available

5 Models available

18 Models available

Voltage Regulators(6 series)

8 Models available

7 Models available

17 Models available

12 Models available

9 Models available

11 Models available

Variable Transformers(5 series)

7 Models available

7 Models available

17 Models available

15 Models available

12 Models available

Inverters (DC-AC)(1 series)

5 Models available

DC Power Supplies(5 series)

Small-Switching

17 Models available

Large-Adjustable

35 Models available

36 Models available

24 Models available

35 Models available

Battery Chargers(3 series)

3 Models available

49 Models available

40 Models available

Motor Starters(4 series)

16 Models available

12 Models available

16 Models available

11 Models available

UPS (Uninterruptible Power Supply)(1 series)

6 Models available

Power Capacitors(1 series)

17 Models available

Solar PV Modules(4 series)

4 Models available

3 Models available

3 Models available

1 Models available

String Grid-tie Inverters(2 series)

9 Models available

9 Models available

Hybrid Solar Inverters(2 series)

6 Models available

5 Models available

Energy Storage Batteries(2 series)

3 Models available

7 Models available

PCS Power Conversion Systems(2 series)

3 Models available

5 Models available

Battery Management Systems (BMS)(2 series)

4 Models available

2 Models available

ESS Fire Suppression Systems(3 series)

1 Models available

1 Models available

2 Models available

PV Mounting Structures(3 series)

1 Models available

2 Models available

3 Models available

DC Cables, Connectors & SPD(3 series)

3 Models available

2 Models available

3 Models available

Monitoring, Protection & SCADA(4 series)

1 Models available

1 Models available

Protection-relay

1 Models available

1 Models available

Cables, Trays, Grounding & Fasteners(4 series)

6 Models available

3 Models available

3 Models available

3 Models available

Energy Storage Containers(2 series)

2 Models available

3 Models available

Busway (Bus Duct)(4 series)

8 Models available

Air-Insulated Busway

8 Models available

Fire-Resistant Busway

8 Models available

HV Enclosed Busbar

3 Models available

EV Charging Stations(2 series)

AC EV Charging Stations

3 Models available

DC Fast Charging Stations

6 Models available

Pole-Mounted Switchgear(7 series)

2 Models available

1 Models available

1 Models available

1 Models available

1 Models available

1 Models available

2 Models available

SVG & SVC Static Var Compensation(2 series)

8 Models available

5 Models available

Active Harmonic Filters(2 series)

6 Models available

4 Models available

Automatic Transfer Switches(3 series)

10 Models available

10 Models available

Dual-Source Complete Cabinet

3 Models available

Diesel Generator Sets(3 series)

7 Models available

7 Models available

5 Models available

EPS Emergency Power Supply(3 series)

6 Models available

6 Models available

6 Models available

Wind Turbines(3 series)

2 Models available

2 Models available

2 Models available

SCADA & Secondary Automation(6 series)

2 Models available

1 Models available

Protection & Control

4 Models available

SCADA & Monitoring

5 Models available

2 Models available

2 Models available

Need Custom Technical Documentation?

Looking for specific product datasheets, test reports, certification documents, or custom engineering specifications? Our technical team can provide tailored documentation for your project requirements.

Request Technical Documents