Servo Voltage Stabilizer S4
The S4 series delivers precise and continuous servo-controlled voltage regulation for commercial and industrial facilities, protecting mission-critical electrical loads from the damaging effects of power fluctuation.


Designed for Every
Demanding Application
The system can be configured with automatic high/low voltage cut-off, audio alarms, and digital metering for real-time monitoring of voltage, current and frequency. An extended input voltage range is available for severe fluctuation zones, while surge/spike suppression and single-phasing preventers provide added protection against transient faults and phase irregularities.
What Powers Every Unit
Servo Motor-Based Voltage Regulation
Wide Input Voltage Range Acceptance
Heavy-Duty Transformer Construction
Manual Bypass Switch for Maintenance
Overload & Short-Circuit Protection
Digital Volt Meter Display
Three-Phase & Single-Phase Options
Fast Correction Speed for Fluctuations
Air-Cooled Design for Reliability
Low Maintenance, Long Service Life
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