Main Features
Digital Display
Real-time display shows: Input voltage、Output voltage、Load ratio、Fault indicato
Easy to check and operate even for non-technical users.
Relay-Type Control
Simple structure, fast response and suitable for home applications and medium-sized loads.
Accurate Output
Voltage precision ±10% (customizable if needed)
Full Protection Functions
-
Overvoltage
-
Undervoltage
-
Over temperature
-
Overload
-
Time delay
-
Short-circuit warning
(factory default settings, customization available)
Technical Parameters
| Model | TKB-15KVA | TKB-20KVA | TKB-30KVA | |
| 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 | TKB-15KVA | TKB-20KVA | TKB-30KVA | |
| Size(mm) L*W*H | 302*294*388 | 302*294*458 | 349*344*50.8 | |
| N.W(kg) | 21.62 | 27.65 | 33.63 | |
| The size and weight vary depending on the voltage range, and are subject to the customized actual product. | ||||
Recommended Application
Home appliances
Air conditioners
Refrigeration equipment
Computers & servers
Office lighting
Telecom equipment
CCTV and smart home systems
Retail shops & small commercial use
Why choose this 30KVA AVR?
Budget-friendly
Reliable protection
Easy wall-mounted installation
Suitable for home and office loads
Strong performance under fluctuating voltage
FAQ
1. What appliances can a 30kVA AVR support?
A 30kVA AVR can support large home appliances such as air conditioners, refrigerators, washing machines, computers, office equipment, lighting systems, and small commercial loads. It is suitable for both home and office continuous use.
2. What is the difference between relay AVR and servo AVR?
Relay AVRs are cost-effective and quick-switching, suitable for residential & commercial use.
Servo AVRs offer higher accuracy and heavy-duty stability for industrial equipment.
3. Can the output voltage be customized?
Yes, the standard output is 220V but customization is available based on your local grid requirements.
