30KVA Automatic Voltage Regulator Factory | Home Voltage Protection

30KVA Automatic Voltage Regulator for Home & Office Use

Type: Vertical typer, Wall-mounted
Available ranges: AC 45–260Vr, 80–260V, 100–260V, 140–260V (Custom voltage is supported)

The 30KVA Automatic Voltage Regulator (AVR) is specially designed for residential homes, commercial offices, shops, and light industrial use where stable power is important for electrical appliances, computers, lighting and communication equipment. With wide input voltage options and a compact design, this model helps protect devices against unstable grid power, voltage drops, and unexpected surges.

This home stabilizer uses relay control technology, digital monitoring, and multiple built-in protections, making it a reliable and cost-effective solution for long-term voltage regulation.

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) LWH		302294388	302294458	34934450.8
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.