SUNTEK QUANTUM 1000 VA is a single-phase online inverter voltage stabilizer featuring double-conversion technology, designed to supply sensitive electronic equipment in power networks with unstable electrical parameters. The unit is engineered for continuous operation and prioritizes maximum protection of connected equipment.
The stabilizer contains no mechanical regulating components and does not utilize an automatic bypass system that transfers raw utility voltage directly to the load.
Operating Principle
The stabilizer operates using double-conversion technology:
- incoming AC voltage is converted into DC voltage;
- the DC voltage is then converted back into a newly generated AC output with precisely controlled parameters.
As a result:
- output voltage is independent of input voltage fluctuations;
- no step-switching occurs;
- response time to voltage changes is effectively zero.
Regulation and Protection
Voltage regulation is performed entirely electronically, without relays or servo motors. In the event of overload, abnormal operating conditions, or an internal fault, the stabilizer does not transfer utility voltage directly to the load. Instead, it safely disconnects the connected equipment.
Technical Specifications
- Rated Power: 1000 VA
- Maximum Active Load: up to 1000 W
- Maximum Input Current: approx. 4.8 A
- Nominal Input Voltage: 230 V (220 V)
- Input Voltage Operating Range: 90–310 V
- Nominal Output Voltage: 230 V
- Voltage Regulation Accuracy: ±2%
- Frequency: 50 / 60 Hz
- Output Waveform: Pure Sine Wave
- Response Time: 0 ms
- Power Factor: 0.98
- Stabilization Technology: Inverter, Double Conversion
- Mechanical Regulation Components: None
- Automatic Bypass: Not Available
- Cooling Method: Natural Convection
- Noise Level: up to 10 dB (no moving parts)
- Efficiency: up to 98%
- Dimensions: 295 × 188 × 95 mm
- Weight: 2 kg

Protection Features
- Under-voltage and over-voltage protection with automatic recovery when the input voltage returns to the operating range;
- Overload protection with automatic restart once the load returns to nominal levels;
- Short-circuit protection through an internal protection system and fuse operation when surge levels exceed design specifications;
- Surge protection against transient overvoltages;
- Thermal protection with automatic recovery after temperature normalization.
Operating Conditions
- Duty Cycle: Continuous 24/7 operation
- Operating Temperature Range: –5 °C to +45 °C
- Enclosure Protection Rating: IP20
- Installation Method: Wall-mounted or floor-standing
LCD Display Functions
The display provides real-time information on:

Warranty
Warranty Period: 3 Years
Recommended Applications
The SUNTEK QUANTUM 1000 VA is recommended for supplying stable voltage to:
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gas boilers and boiler control systems;
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televisions and audio/video equipment;
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computers, networking and telecommunications equipment;
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CCTV and security systems;
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household appliances with electronic controls.
KEY ADVANTAGE
Unlike many competing inverter stabilizers, SUNTEK QUANTUM models do not employ a potentially hazardous automatic bypass system that can transfer unstabilized utility voltage directly to connected equipment.
Therefore, in the event of overload, abnormal operating conditions, or internal malfunction, the SUNTEK QUANTUM does not pass raw input voltage to the load (a phenomenon commonly known as Active Bypass within the 187–240 V range). Instead, the stabilizer safely disconnects the connected equipment.

Need a Voltage Stabilizer for a High-Power Boiler?
Choose the SUNTEK QUANTUM 1000 VA.
Modern gas boilers are particularly sensitive to power quality because they contain:
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electronic control boards;
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circulation pumps;
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sensors and automation systems.
The SUNTEK QUANTUM 1000 VA:
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prevents control board errors and malfunctions;
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protects against short-term voltage fluctuations;
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ensures reliable heating system operation even under poor grid conditions.
SUNTEK QUANTUM inverter stabilizers are fundamentally designed without an automatic bypass mode that transfers unstabilized mains voltage to the load, even within the 187–240 V range used by some competing brands.
Protection Logic
The protection philosophy is different:
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output voltage is always generated by the inverter stage;
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output power quality does not depend directly on utility power conditions;
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in the event of overload or fault conditions:
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the stabilizer does not pass through raw utility voltage;
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instead, it safely disconnects the load, protecting connected equipment.
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Consequently, only two operating scenarios are possible:
Scenario 1
The load receives a stable 230 V output with ±2% regulation accuracy and a pure sine wave.
Scenario 2
The load is completely disconnected by the protection system.
A situation where 187 V, 240 V, or any other unstabilized utility voltage is transferred directly to the protected equipment is structurally impossible by design.
In addition to high quality, our company offers interesting terms of cooperation. If you wish to develop your business together with us send your contact to us. We will contact you. In addition, on the page cooperation you can get information about the principles of cooperation with our company. Open and mutual understanding are the basis of a successful joint business.
