Sontuoec Single Phase High Accurate Full AC Automactic Voltage Regulator
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Product Highlights
- High Efficiency: Efficiency reaches up to 98% with low waveform distortion.
- Compact Design: Smaller volume than traditional devices with 4 wheels for easy movement.
- Multi-Protection System: Includes high/low voltage, overload, high temperature, and phase protection.
- Digital Control: CPU-based digital circuit ensures precise voltage regulation.
- Smart LCD Display: Displays input/output voltage, phase status, and transformer temperature.
- Wide Input Range: Accepts input voltage from 130V to 250V at 50/60Hz.
- Robust Cooling: Equipped with multiple fans for superior heat transfer and lower temperature rise.
- Fast Response: Response time is less than 1 second for stable power control.
Product Attributes
- Customization
- Available
- Current Type
- AC
- Phase
- Single Phase
- Model NO.
- STJW, STBW-F
- Frequency Characteristics
- Low Frequency
- Usage
- SVC
- Frequency
- Low Frequency
- Size
- Medium
- Iron Core Shape
- C
- Power Source
- Switching Regulated Power Supply
- Application Range
- Industrial and Mining Enterprises
- Brand
- Sontuoec
- Guaranteen Time
- 18months
- Price
- Factory Price
- Input Voltage Range
- 130V-250V
- Input Frequency
- 50/60Hz
- Transport Package
- Exporting Carton
- Specification
- 0.5KVA to 150KVA
- Trademark
- SONTUOEC, WZSTEC, STUOEC, SONTUOC
- Origin
- Wenzhou, China
- HS Code
- 8504401990
- Production Capacity
- 500PCS /Day
- Package Size
- 46.00cm * 33.00cm * 34.00cm
- Package Gross Weight
- 3.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
The series regulators are characterized by non-distortion waveform, small size, light weight, high efficiency, convenient use, reliable performance and long-term operation. They are used for voltage regulation, temperature control, dimming, power control, etc. , metallurgical instrumentation, electromechanical manufacturing, light industry, scientific experiments, utilities, household appliances, temperature control, dimming, and power control, etc., is an ideal AC voltage regulator.
1.Ambient temperature: maximum temperature + 40 ºC, minimum temperature -15 ºC
2.Altitude: The altitude where the regulator is installed does not exceed 1000 meters
3.Relative air humidity: The monthly average relative humidity of a wet month is 90%, and the average temperature of the month is 25 ºC Power supply voltage waveform:
4.The power supply voltage waveform is a sine wave or similar to a sine wave The installation site is free from gases, vapors, chemical deposits, dust, dirt and other explosive and aggressive media that seriously affect the insulation of the regulator.
5.The installation place should be free of severe vibrations and bumps.
6.Indoor use.
Note! -Selection:Tips This regulator product cannot be used in parallel.
One series: from: 500VA to 10000VA series ; Single Phase

| Model | SVC-500VA | |
| Power | 500VA | |
| Technology | CPU based Digital Circuit + Motor | |
| Input | Input Voltage Range | 130V-250V |
| Input Frequency | 50/60Hz | |
| Output | Output Voltage | 220Vac |
| Output Precision | ±3% | |
| Efficiency | 98% | |
| Phase | Single Phases | |
| LCD Display Status | Input Voltage/Output Voltage | |
| LCD Display Status | Blue LCD;Indicating phase A,B and C input voltage and output voltage | |
| Press the switch for 2Second, the LCD display will change to show the PDR's running status, including | ||
| Transformer's temperature for each phase, normal / abnormal | ||
| Protection | High Voltage Protection | Yes |
| Low Voltage Protection | Yes | |
| Overload Protection | Yes | |
| High Temperature Protection | Yes | |
| Circuit Protection | Circuit Breaker | |
| Smart Cooling System | Yes | |
| Safety Standards | N/M | |
| Operating Conditions | Operating Temperature | -10ºC~+40ºC |
| Storage Temperature | -15-45°C | |
| Operating Relative Humidity | 10%RH-102%RH,Non-condensing | |
| Dimension | Machine Size(mm) | |
| Unit Weight(kgs) | ||
| Output Deviance | 1-3%(Adjustable) |
| Frequency | 50/60Hz |
| Efficiency | ≥98% |
| Response Time | ≤1S |
| Insulation Resistance | ≥5MΩ |
| Overload | Double Reted Current,One Min |
| Waveform Distortion | Non-Lack Fidelity Wareform |
| Protect | Overvoltage,Overcurrent,Lack Phases |
Competitive points:
1. Volume is smaller than traditional device; Easy to move and install with 4 wheel.
2. With Phase-sequence protection in order to avoid connecting wire wrong;
1.Packaging:
Small capacity products (Automatic Voltage Regulators/Stabilizers), colour box as inner package and cardboard carton as outer package.
Big capacity products, we use strong plywood case.
2.Shipping Methods:
By air or by sea(FOB port:Ningbo),by express (DHL,UPS,TNT,FEDEX,ARAMEX...).



About the Supplier
Company Profile
WENZHOU SANTUO ELECTRICAL Co., Ltd. is one of manufactories that specialize in manufacturing Circuit Breaker; AC CONTACTOR, Thermall Relay and Isolator Switch, Change over switch; Power Distribution Case, Push Button Switch; Voltage Regulator/Protector...More than 20years and is located in Liushi, Wenzhou, China that called " the Capital of Low Voltage Electronic Products", enjoying convenient transportation access and a beautiful environment. Our teams have more than 20years' experience; We have passed ISO9001 approval, The products have passed CE, CB(IEC), SAA certificates and strictly comply with IEC standards. The company has advanced detection instruments and strong technical force with strong research and development capability, product constantly updated. The products export Europe, Asia, Southern Amercia, Middle East, Western Africa market.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
On the base of guarrantee the quality, we will try our best to design new model with ourselves patents for the coming years.
About Our Factory & Business Background
- Address
- No. 3999 Liujiang Road, Liushi Yueqing, Wenzhou, China.
- Terms of Payment
- LC, T/T, D/P, PayPal
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays - Nearest Port
- NINGBO
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2016-01-08
- Main Markets
- South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe
FAQ
- Can this regulator be used in parallel?
- No, this regulator product cannot be used in parallel.
- What is the warranty period?
- The guarantee time is 18 months.
- What is the response time of the regulator?
- The response time is less than or equal to 1 second.
- How is the product packaged for shipping?
- Small capacity products use color boxes and cartons, while big capacity products use strong plywood cases.
- What is the lead time for orders?
- Peak season lead time is 1-3 months, while off-season lead time is within 15 workdays.
- What safety protections are included?
- It includes high voltage, low voltage, overload, high temperature, and circuit breaker protections.
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