VARSAN is a leading Turkish manufacturer of high-performance Automatic Voltage Regulators, Variac-based stabilizers, and heavy-duty transformers designed for industrial reliability and stable power delivery. With advanced protection features, precise voltage regulation, and robust construction, VARSAN systems deliver dependable performance in demanding electrical environments.
ELECTROSERVICE supplies and integrates the complete VARSAN range across commercial and industrial applications throughout Pakistan.
VARSAN AVR and Variac systems are engineered to correct unstable grid conditions, remove voltage disturbances, and deliver clean, regulated output power. With high efficiency, ±1% accuracy, and strong overload capability, these stabilizers support sensitive and critical equipment with superior reliability.
Both residential and industrial-grade models are available, including custom input/output voltage configurations and optional IP54 enclosures.

Full electronic protection
Fully automatic operation
Sensitive input voltage regulation using Variac
High output voltage accuracy (+1%)
Ultra-high response speed
Independent control of each phase
Digital voltmeter & digital ammeter
Mechanical & automatic bypass options
High-quality MCCB protection
Strong overload capability
Independent cooling per phase (3 fans)
Operating altitude up to 3000m
IP20 standard enclosure (IP54 optional)
| Specification | Details |
|---|---|
| Regulation Range | Multiple input voltage regulation ranges available |
| Efficiency | >98% at full load |
| Overload Capacity | 200% for 2 seconds |
| Regulation Speed | 150 Volt/second |
| Operating Temperature | –10°C to +60°C |
| Variac | HQ-designed, round carbon-brush variac for high durability |
| Cooling | 3× forced cooling fans (independent for each phase) |
| Operating Frequency | 50–60 Hz |
| Relative Humidity | <90% |
| Altitude | Max 3000 meters |
| Protection Feature | Availability |
|---|---|
| Short-Circuit Protection | Yes |
| Overcurrent Protection | Yes |
| Overload Protection | Yes |
| Phase Failure & Phase Loss Protection | Yes |
| Input Protection with MCCB | Yes |
| Over/Under Voltage (Input & Output) | Yes |
| Phase Noise & Harmonics Correction | Yes |
| Manual Bypass | Yes |
| Digital Display | Yes |
| Auto Standby & Restart | Yes |
| Audible / Visual Alarm | Yes |
| Optional IP54 Enclosure | Yes |
Variac-based design ensures smooth and continuous voltage correction.
Independent phase control eliminates imbalance and stabilizes three-phase loads.
Heavy-duty components ensure long service life.
HQ Module Case Circuit Breakers provide strong protection.
Bottom wheels included for easy mobility.
Suitable for industrial, commercial, and high-risk voltage environments.
AVRs (Automatic Voltage Regulators)
Variac-based Stabilizers
Isolation Transformers
Adapting Transformers
Harmonic Filter Reactors
Shunt Reactors
All units are available in multiple kVA ratings with optional customizations.
Industrial machinery and production lines
Data centers and IT equipment
Hospitals and diagnostic instruments
CNC machines and sensitive electronic devices
Power plants and utilities
Telecommunications
Laboratories and testing facilities
Commercial buildings requiring stable power