Smart Voltage Stabilizer: Save Money and Enhance Device Lifespan
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Product Attributes
- Customization
- Available
- Current Type
- AC
- Phase
- Single Phase
- Model NO.
- 7000VA
- Frequency Characteristics
- Power Frequency
- Usage
- SVC
- Frequency
- Industrial Frequency
- Size
- Small
- Iron Core Shape
- Ring
- Power Source
- Linear Regulated Power Supply
- Application Range
- Any Occasion Requiring Stable Voltage
- Brand
- Mingch or OEM Optional
- Item Name
- Air Conditioner Voltage Stabilizer
- Main Product
- Voltage Regulator;Voltage Stabilizer;VFD
- Capacity
- 500va and Above
- Efficiency
- Over 98%
- Response Time
- Less Than 1s
- Input Voltage
- 150V-250V
- Output Voltage
- 220V+/-3%
- Protection
- Over Voltage/Under Voltage
- Transport Package
- Cartons, Wooden Cases, Pallets
- Specification
- Servo motor control type
- Trademark
- MINGCH or OEM optional
- Origin
- Zhejiang, China
- HS Code
- 8504401990
- Production Capacity
- 6000pieces/Month
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Product Description




2. Adjustable Mounting Adaptation – Universal design (compatible with all work environments)
3. Non-degrading Stable Operation – Sustained voltage stabilization for 30000+ hours of continuous work
- Household appliances: Such as refrigerators, air conditioners, washing machines, televisions, etc. It avoids shortened service life due to sudden voltage surges/drops, and is especially commonly used in old residential areas or regions with unstable power supply.
- Medical equipment: Such as small medical testing instruments, physical therapy equipment, etc. It ensures stable voltage to maintain the accurate operation of the equipment.
Feature | Specification |
High-precision voltage stabilization | voltage stabilizer can control the output voltage accuracy within ±3%, and some industrial-grade products even reach ±1%. They can accurately offset voltage fluctuations of more than ±10% in the power grid, meeting the needs of precision equipment. |
Fast response speed | When facing sudden rises/drops in grid voltage (such as instantaneous fluctuations of ±20%), the response time can be shortened to the millisecond (ms) level, preventing voltage fluctuations from "shocking" the equipment, which is especially suitable for medical and industrial equipment sensitive to voltage. |
Wide input voltage range | Conventional products support an AC input of 150V-250V, while special models (e.g., for outdoor/industrial use) can cover AC 120V-300V, enabling adaptation |
Multiple fault protection | Integrates functions such as Over-Voltage Protection (OVP), Under-Voltage Protection (UVP), Over-Load Protection (OLP), and Short-Circuit Protection (SCP). When voltage/current is abnormal, it automatically cuts off the output to prevent equipment burnout or damage to the voltage regulator itself. |
Lightning protection/anti-interference design | Industrial-grade voltage regulators have built-in lightning protection modules (capable of withstanding instantaneous lightning strikes below 10kV). At the same time, filter circuits reduce electromagnetic interference (EMI) in the power grid, ensuring the stable operation of equipment with weak anti-interference capabilities such as medical equipment and servers. |
Intelligent digital control | Equipped with a microcontroller unit (MCU), it can display real-time parameters such as input/output voltage and load rate through an LED/LCD screen; some models support remote monitoring via mobile phone APP, which is convenient for unattended scenarios (e.g., server rooms). |
Low power consumption and energy saving | No-load power consumption can be reduced to less than 1W, and full-load efficiency reaches over 90%. Long-term use can reduce electricity waste, which is especially suitable for equipment that needs to operate 24 hours a day (e.g., refrigerators, monitoring systems). |

1× Installation and Connection Accessories
1× Instruction and Certificate Materials
1× Protective and Cushioning Materials
Private label packaging
Customization is available for size, appearance and color
- Backup unit support: In custom orders from some corporate clients, the service of "providing temporary backup voltage regulators during the fault period" is included to reduce downtime losses (this coverage is generally not available for ordinary retail orders).

Capacity: 10,000 units/month.
Clients: Provided for global regions in need of stable voltage.


2. Customized samples can be provided within 72 hours.
3. 24-hour online service is available.
2.TRANSFORMER
3. UPS



1. What is the working principle of a voltage stabilizer?
Voltage stabilizers are divided into linear and switching types. Linear ones use an active current-carrying device controlled by a high-gain differential amplifier, compare output voltage with a precision reference, and adjust the device to maintain constant output. Switching types convert DC input to switching voltage; the filtered output is fed back to the control circuit for stable output.
2. What are the types of voltage stabilizers?
Common types include mechanical, non-contact, inductive, and parametric stabilizers. They differ in regulation accuracy, response speed, and applicable scenarios.
3. How to select a suitable voltage stabilizer?
Consider input voltage range, output voltage/current, regulation accuracy, response speed, load type, and power capacity. Also base the choice on usage scenarios and budget.
4. Can a voltage stabilizer be used with a UPS (Uninterruptible Power Supply)?
Yes, but confirm the UPS's input voltage range. The recommended connection is "stabilizer → UPS" in series.
5. Will a voltage stabilizer increase electricity costs?
No. High-quality stabilizers have no-load loss usually below 3%; some even save electricity by optimizing current paths to reduce losses.
6. What are common faults of voltage stabilizers and how to troubleshoot?
Common faults: unstable output, no output, overheating, abnormal noise, and automatic protection activation. Causes may include circuit failure, relay damage, abnormal input voltage, blown fuses, or poor heat dissipation. Troubleshoot by replacing damaged parts, cleaning dust, or adjusting input voltage.
7. How to maintain a voltage stabilizer?
Regularly clean internal dust and check cooling fan operation. Clean monthly in dusty areas; brush the air inlet quarterly and inspect the fan yearly to prevent overheating damage.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2432532". Items marked "" are certified.
Company Profile
Zhejiang Mingch Electrical Co., Ltd is a professional R & D, production, sales as one of the professional power manufacturers.
Since 1993, the company has been adhering to science and technology as the guide, strong technology as the backing, actively introduce foreign advanced technology, and constantly improve and perfect products, products sell well in the domestic market, exported to Russia, Indonesia, the Philippines, Iraq and other Southeast Asia, Africa, the Middle East and other dozens of countries and regions, by the majority of customers.
Our products are widely used in industrial and mining enterprises, textile machinery, printing and packaging, petrochemical industry, schools, shopping malls, elevators, posts and telecommunications, medical machinery and other occasions that require normal voltage assurance.
Zhejiang Mingch Electrical Co., Ltd is committed to "integrity-based, long-term service", adhere to the "realistic, innovation, development" business philosophy, timely help you eliminate difficulties and anxiety.
Zhejiang Mingch Electrical Co., Ltd sincerely look forward to cooperating with you to create a win-win situation.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- N/a, Wenzhou, Zhejiang, China
-
Plant Area
- 4425 square meters
-
Number of Employees
- 147
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 1 PC
-
Supply Chain Partners
- 42
Our Production Capability & Technical Expertise
-
Main Products
- Voltage Stabilizer, Frequency Inverter, Power Inverter, Transformer, UPS
-
Production Lines
- 5
-
Production Machines
- Assembling Line, Winding Facility
-
QA/QC inspectors
- 12 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2007-09-29
-
Export Year
- 17 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, Australia, Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Annual Export Revenue
- 44,152,019.78 RMB
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
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