Commercial Transformer
In a building, the transformer usually sits close to people — in a basement substation, a rooftop plant room or a compact outdoor kiosk.
Commercial transformers serve buildings rather than process equipment: lighting, lifts and escalators, HVAC plant, kitchens, data rooms, retail tenancy panels and standby systems.
In a building, the transformer usually sits close to people — in a basement substation, a rooftop plant room or a compact outdoor kiosk. That changes the priorities: fire safety, low noise, compact footprint, low losses and clean appearance matter as much as the electrical rating.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| Rated capacity | 500 – 3150 kVA |
| Primary voltage | 11 kV / 22 kV / 33 kV |
| Secondary voltage | 400 V / 415 V |
| Frequency | 50 Hz or 60 Hz |
| Construction | Dry type cast resin or VPI (indoor) / oil immersed (outdoor) |
| Fire performance | Self-extinguishing, halogen-free (dry type) |
| Sound level | Low-noise design — Hebei Youge Electrical Equipment Co., Ltd. dB(A) |
| Cooling | AN / AF / ONAN / KNAN |
| Enclosure | IP21 – IP54, ventilated or sealed |
| Standards | IEC 60076 / IEC 60726 / local fire code |
Typical values for this product family. Insert your certified datasheet values before publication — Hebei Youge Electrical Equipment Co., Ltd..
Applications
- Office buildings
- Shopping malls and retail centres
- Hotels and resorts
- Mixed-use developments
- Convention and exhibition centres
- Airport and transport buildings
Advantages
- Fire-safe dry type options for occupied buildings
- Low audible noise for plant rooms near tenanted space
- Compact footprint and reduced weight for basement and rooftop access
- Low loss designs to reduce building energy cost and heat load
- Compatible with building management and metering systems
- Clean, finished appearance for visible locations
Customization Options
- Indoor, rooftop or outdoor location
- Fire and smoke rating required by local code
- Maximum permissible sound level
- Enclosure finish, colour and IP rating
- Temperature monitoring with BMS interface
Manufacturing, Testing and Standards
Every unit is built under documented process control and subjected to routine tests before dispatch: winding resistance, voltage ratio and vector group, impedance voltage and load loss, no-load loss and current, applied and induced voltage dielectric tests, and functional checks of accessories. Type tests — including lightning impulse, temperature rise and short-circuit withstand — are available for new designs and project requirements. See our testing and quality control pages.