Transformers
SBK Three-Phase Dry-Type Transformer
Series / Model · SBK
Product overviewSBK three-phase dry-type transformers use air cooling for three-phase voltage conversion in 50 Hz circuits below 1000 V and continuous-duty operation; capacity and voltage combinations are selected by model.
Selection & technical informationGBL TECHNICAL COORDINATION
CORE FEATURES
Core features
Three-limb core with natural air cooling
Class B insulation and continuous duty stated in the manual
Manual-listed ratings span 300 VA–300 kVA
TECHNICAL DATA
Technical parameters
Rated capacity (manual table)300 VA–300 kVA
Frequency / circuit voltage50 Hz / below 1000 V
Rated input voltage (table)660 / 380 / 220 / 127 V
Rated output voltage (table)380 / 220 / 127 / 110 / 36 / 24 / 12 / 6 V
Duty / insulation classContinuous / Class B
EnvironmentAltitude up to 2500 m; -25°C to +40°C; relative humidity up to 95%
Referenced standardsGB 1094.1-1996 / JB/T 5555-2001 / JB/T 9639-1999
APPLICATIONS
Applications
01
Three-phase voltage conversion for industrial equipment
02
Indoor distribution and control-power support
TECHNICAL DOCUMENTS
Technical Documents
Manuals, technical drawings, BIM files and other resources are published only after approval.
01
Three-Phase Dry-Type & Rectifier Transformers
SBK / SG / ZSG Three-Phase Transformer Manual
- Model
- SBK / SG / ZSG
Need selection advice or product literature?
Share the product and application to support technical follow-up.