Key Advantages
- Wide Input Range: Supports 45–260V / 80–260V / 100–260V / 140–260V
- Fast Response: Relay switching stabilizes voltage within milliseconds
- Stable Output: 220VAC ±10%, suitable for most appliances
- High Efficiency: >95%, energy-saving operation
- Compact Design: Wall-mounted, space-saving
- LED Display: Real-time voltage and load monitoring
- Full Protection: Overvoltage, undervoltage, overload, overtemperature, delay start

Technical Parameters
| Model | TKB-500VA~10000VA | ||||||
| Phase | Single phase | ||||||
| Input voltage | AC 45-260V, 80-260V, 100-260V, 140-260V (or customized) | ||||||
| Output voltage | AC 220V or customized | ||||||
| Frequency | 50Hz/60Hz | ||||||
| Precision | ±10% or customized | ||||||
| Efficiency | >95% | ||||||
| Control type | Relay type | ||||||
| Digital display | Show input and output voltage,Load Ratio and Fault Indicator | ||||||
| Protection | Over temperature, Overvoltage, Undervoltage, Overload, Time delay | ||||||
| Ambient temperature | -10°C~+ 40°C | ||||||
| Relative Humidity | <95% | ||||||
| Waveform Distortion | No additional wave form distortion | ||||||
| Insulating Resistance | Normally more than 2MΩ | ||||||
| Insulating Class | Class B | ||||||
|
Protection |
Overvoltage | Output Voltage ≥ 245V ± 4V | |||||
| Low voltage | Output Voltage ≤ 180V ± 4V | ||||||
| Over temperature | 95℃±10℃ | ||||||
| Delay time | Long time(180 second) / short time(6 second) | ||||||
| Undervoltage | Disabled by default, customizable if needed | ||||||
| Power | 1000VA | 2000VA | 3000VA | 5000VA | 8000VA | 10000VA | |
| Size(mm) L*W*H | 305*200*85 | 305*200*85 | 370*250*105 | 370*250*105 | 335*120*440 | 335*120*440 | |
| N.W(kg) | 3.9 | 4.34 | 6.34 | 8.3 | 8.92 | 16.35 | |
| The size and weight vary depending on the voltage range, and are subject to the customized actual product. | |||||||
Applications
Suitable for:
- TVs, refrigerators, air conditioners
- Computers, printers, routers
- Shops, offices, small equipment
It ensures stable operation and helps prevent overheating, malfunction, and early failure.
Relay vs Servo Stabilizer
- Relay Type AVR: Fast, affordable, low maintenance (best for home use)
- Servo Type AVR: Higher precision, used for industrial equipment
Selection Guide
- 1KVA stabilizer: Small loads (TVs, routers)
- 2–3KVA: Refrigerator, computer, small AC
- 5KVA: Multiple appliances or larger AC
Tip: Choose 20–30% higher capacity than your total load.
FAQ
Q1: Why use a 1kva stabilizer?
A: It keeps voltage stable, protecting appliances from damage and improving lifespan.
Q2: Can it run an air conditioner?
A: Yes, but usually 3KVA–5KVA is recommended depending on AC power.
Q3: Does it consume much power?
A: No, it operates efficiently with minimal energy loss.
Conclusion
The 1KVA to 5KVA voltage stabilizer, which is mounted on the wall, is a reliable, compact, and economical solution for voltage protection. It is the best choice for voltage protection due to its fast response time and multiple protections.