Single-phase automatic voltage stabilizer (servo) | electrical voltage regulation | 15 kVA | 220 V AC | digital display | KEAO BK series

Technical Specifications

Product type: Automatic voltage stabilizer
Model: BK-1KVA (BK series)
Manufacturer: KEAO
Phase: Single-phase
Current type: AC
Rated power: 15 kVA
Power range (series): 1–100 kVA
Input voltage: 220 V AC
Output voltage: Adjustable
Frequency: 50 / 60 Hz
Efficiency: ≥ 98%
Power factor: 0.9 / 0.8 (configurable)
Control type: Servo motor control
Display: Digital
Enclosure: Flame-retardant
Materials: Aluminum, copper
Certifications: CE, ISO9001

Functions

Automatic voltage stabilization – ensures stable output voltage even during significant grid fluctuations.
Servo motor regulation – enables highly precise transformer winding adjustment and fast response to changes.
Digital display – clearly shows input/output voltage and operating status.
High efficiency – minimal energy losses, suitable for continuous operation.

Applications

For home users: Protection of household electrical equipment (heating boilers, pumps, appliances), ideal for areas with unstable voltage, extends equipment lifespan.
For electricians: Universal solution for customer installations, easy integration into single-phase systems, reliable for residential and commercial projects.
For engineers / technical specialists: Stable power supply for sensitive equipment, configurable input/output parameters, suitable for laboratories, automation, and servers.
For commercial and industrial facilities: Protection of production lines, workshops, and machinery, reduces downtime caused by power disturbances, reliable for long-term operation.

Advantages

High efficiency (98%)
Precise servo motor control
Digital display
Robust, flame-retardant construction
CE and ISO9001 certifications

Disadvantages

Suitable only for single-phase systems
Larger dimensions compared to electronic stabilizers