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Unpredictable voltage swings, sags, and surges can silently degrade sensitive electronics, cause nuisance tripping, and halt critical operations. The EnerTech Single Phase (1P) Air-Cooled Servo Voltage Stabilizer is engineered to deliver a rock-solid, precisely regulated voltage supply. Combining high-speed microcontroller intelligence with robust servo-motor-driven autotransformer technology, it shields valuable single-phase equipment from grid instability while maintaining energy efficiency.






| Specification | Details |
|---|---|
| Power Range | 1kVA to 20kVA |
| Input Voltage | 170V – 270V (Wide range) |
| Output Voltage | 230V ±1% (Precision regulation) |
| Input Frequency | 50Hz ±5% |
| Response Time | < 1 second |
| Efficiency | > 98% |
| Cooling | Air-cooled (Natural/Forced) |
| Control System | DSP-based microcontroller |
| Display | LCD with input/output parameters |
| Communication | IoT-enabled with MODBUS support |
Unlike conventional relay-based stabilizers that cause step-voltage jerks, EnerTech servo stabilizers provide continuous, stepless voltage correction. The natural and forced-air cooling design eliminates the mess and maintenance of oil cooling, making it a clean, space-saving solution for indoor, commercial, and light-industrial environments.
Ultra-Fast Correction Speed: Rapid response time corrects voltage fluctuations instantly, preventing equipment stress.
Pinpoint Output Accuracy: Maintains output voltage within +-1Â of the target setpoint (typically 230V AC).
Zero Waveform Distortion: Pure sine wave passthrough ensures complete compatibility with sensitive medical, laboratory, and audiovisual gear.
Low Maintenance Design: Air-cooled architecture requires minimal upkeep, zero oil top-ups, and operates with ultra-low acoustic noise.
Microcontroller-Based Digital Control: Advanced DSP/MCU circuitry continuously monitors line voltage and commands the high-torque AC/DC servo motor with absolute precision.
High Overload Handling: Designed with high-grade copper windings and low-loss toroidal/variac cores to comfortably absorb momentary starting surges.
Wide Input Voltage Range: Available in standard and ultra-wide input windows (e.g., 170V–270V or 140V–280V) to handle even the weakest grid connections.
Comprehensive Electrical Protection: Built-in auto-cut-off protection against high voltage, low voltage, overload, short circuits, and phase reversal.
Digital Multifunction Display: Clear front-panel LCD/LED interface displays real-time input voltage, output voltage, load current, and fault diagnostics.
Built-in Manual/Auto Bypass: Integrated bypass switch ensures power continuity during routine servicing without interrupting your operations.
Prevents compressor failures and extends the lifecycle of HVAC systems.
30+ years of experience in voltage stabilization technology.
Auto-calibration and DSP-based control for precise performance.
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