Best 3000W Pure Sine Wave Power Inverter for DC to AC
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Product Highlights
- Pure Sine Wave Output: Delivers precision waveform with THD < 3% for safe device charging.
- High Conversion Efficiency: Achieves 85%-92% efficiency rating to maximize energy use.
- Comprehensive Protection: Guard against overvoltage, undervoltage, overload, and short circuits.
- Versatile Input Voltage: Supports 12V, 24V, and 48V input systems for flexible application.
- Built-in USB Charging: Includes 5V 2.1A USB port for convenient mobile device charging.
- LCD Status Display: Features LCD or LED display for clear real-time status visibility.
- Long Service Life: Designed for durability with an approximate 10-year service life.
- Low Noise Operation: Operates quietly with intelligent air-cooling for user comfort.
Product Attributes
- Customization
- Available
- Nature of Source Flow
- Passive inverter
- Certification
- CCC, CE
- Model NO.
- RSP-300W
- Output Power
- 300W
- Grid Type
- off-Grid Inverter
- Output Type
- Single
- Circuit Topologies
- Push-Pull Type
- Nature of Wave String
- Sine Wave Inverter
- Type
- DC/AC Inverters
- Peak Power
- 600W
- Output Waveform
- Pure Sine Wave Inverter
- USB Port
- 5V 2.1A
- Waveform Distortion
- Thd < 3% (Linear Load)
- Conversion Efficiency
- 90%
- Transport Package
- Standard Package
- Specification
- 38.5*31.5*37.5cm/ 12pcs
- Trademark
- ZHENGXI or OEM
- Origin
- Zhejiang, China
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Product Description
Introducing the RSP 300W, an innovative and powerful pure sine wave inverter. This compact marvel has been engineered for exceptional efficiency, making it an ideal choice for solar energy systems and mobile power applications. Seamlessly compatible with photovoltaic (PV) inputs, this inverter integrates effortlessly into both off-grid and hybrid solar setups. With its built-in USB output, the RSP 300W ensures that you can charge mobile devices while powering traditional AC loads, offering unmatched convenience. Boasting CE certification and enhanced protection features, it provides dependable and safe performance, even in challenging conditions. Whether you need a reliable power backup for your home, your RV adventures, or remote solar power installations, the RSP 300W is your smart, sustainable solution.



Introduction of Power Inverter:
1. This state-of-the-art inverter power supply utilizes advanced SPWM technology, controlled by an MCU microprocessor, to deliver a pure sine wave output with precision waveform quality.
The unique dynamic current loop control technology ensures the inverter's reliable operation, offering peace of mind.
2. Highly adaptable to loads, whether inductive, capacitive, resistive, or hybrid, this inverter excels in overload capacity and exhibits remarkable shock resistance.
capacity and shock resistance.
3. Equipped with comprehensive protection features, it guards against input overvoltage, undervoltage, overload, overheating, and output short circuits,
ensuring ultimate safety and reliability.
4. The sine wave inverter utilizes an LCD liquid crystal display, providing clear and immediate status visibility at a glance.
5. Known for its stable performance, exceptional safety, and long service life, this inverter is built to last.
Feature and Advantage:
1. Efficiency: Achieving an impressive 85%-92% efficiency rating, maximizing energy use.
2. Designed for longevity, the service life extends to approximately ten years.
3. Operates with low noise, enhancing user comfort while delivering high efficiency.
4. Exceptional shock resistance capability ensures robust and durable performance.
5. Excellent load capacity: adept with inductive, charging, and hybrid charging loads, ensuring versatile application.
6. Comprehensive Protection: Features include low battery alarm, automatic battery shutdown, overvoltage protection, overheating prevention, output short protection, and overload safeguards, ensuring unparalleled safety.
| Model | RSP-300W | ||
| Rated Power | 300W | ||
| Peak power | 600W | ||
| Input Voltage | 12V/24V/48V | ||
| Output voltage | 100-120V or 220V-240V,50Hz or 60Hz | ||
| Output waveform | Pure sine wave inverter | ||
| USB port | 5V,2.1A | ||
| Waveform distortion | THD < 3% (Linear load) | ||
| Conversion efficiency | 90% | ||
| Product dimensions | 19.5*11*5.5cm | ||
| NET/gross weight of product | 0.85kg,1.05kg | ||
| Quantity/weight packed | 12 units,13.2kg | ||
| Packing size | 38.5*31.5*37.5cm | ||
| Voltage Range | (12V)9.55-15.5V | (24V)19.8-30.27V | (48V)40.2-60.4V |
| Under-pressure alarm | (12V)10.5±0.5V | (24V)21V±0.5V | (48V)42V±1V |
| Under-voltage protection | (12V)9.5±0.5V | (24V)20V±0.5V | (48V)40V±1V |
| Under-pressure recovery | (12V)13±0.5V | (24V)24V±0.5V | (48V)48V±1V |
| High Voltage Alarm | (12V)15.5±0.5V | (24V)31V±0.5V | (48V)61V±1V |
| High pressure recovery | (12V)14.8±0.5V | (24V)29.5±0.5V | (48V)59V±1V |
| Display options | High-definition LED digital display, liquid crystal display, no display | ||
| LED indicator light | Blue Light (AC output normal) ; red light flashing (undervoltage/overvoltage, overload, high temperature, short circuit) | ||
| Protection function | Undervoltage/overvoltage, overload, high temperature, ac short circuit protection (positive and negative wiring protection-replace the insurance) | ||
| Fuse | DC short circuit protection | ||
| Circuit topology | High frequency chain | ||
| Cooling mode | Intelligent air-cooled, built-in heat sink | ||




About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR263094". Items marked "" are certified.
Company Profile
ZHENGXI Group is a leading manufacturer specializing in the research, development, and sales of high and low voltage electrical equipment, with over 20 years of industry experience.
The group owns three wholly-owned or controlled subsidiaries, three major business divisions, and two advanced R&D and production bases, continuously innovating to provide the market with high-quality products. Our brands "ZHENGXI Electrical" and "PINEELE" are well respected and influential in the industry.
Our product range includes automatic voltage stabilizers, buck boost transformers, variable transformer, soft starters, inverters, and high/low voltage distribution cabinets. These products are certified by IEC, CE, RoHS, FCC, and ISO9001, ISO14001, ISO45001and have obtained over 130 technical patents.
The company has been recognized as a national high-tech enterprise, leading enterprise in new technology, outstanding design patent award in China, excellent technology in China, and among the first batch of "Good Product" brand enterprises in Zhejiang Province.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 555 Chezhan Road, Liushi Town, Wenzhou, Zhejiang, China
-
Plant Area
- 10000 square meters
-
Number of Employees
- 85
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DDP, Others
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 150
Our Production Capability & Technical Expertise
-
Main Products
- Voltage Stabilizer, Transformer
-
Production Lines
- 14
-
Production Machines
- Hydraulic press, Automated equipment, Drying oven, Winding machine, Vacuum impregnation machine
-
QA/QC inspectors
- 8 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
-
R&D Engineers
- 6 people
-
Traceability of Raw Materials
- No
-
Test Reports for Raw Materials
- FCC, Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-03-11
- Export Year
- 2014-03-13
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 10
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO45001:2018, ISO14001
FAQ
- What is the output waveform type?
- The inverter provides a pure sine wave output with waveform distortion THD < 3% under linear load.
- What input voltages are supported?
- It supports 12V, 24V, and 48V input voltages, making it adaptable to various battery systems.
- Does it have USB charging capability?
- Yes, it is equipped with a 5V 2.1A USB port for charging mobile devices while powering AC loads.
- What protection features are included?
- It includes protection against input overvoltage, undervoltage, overload, overheating, and output short circuits.
- What is the conversion efficiency?
- The inverter achieves an impressive efficiency rating of 85%-92%, maximizing energy usage.
- What certifications does the product have?
- The product holds CCC and CE certifications, ensuring safe and reliable performance.
- What is the expected service life?
- The inverter is built for longevity with an approximate service life of ten years.
- What is the peak power output?
- The rated power is 300W, with a peak power capacity of 600W for handling surge loads.
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Product Groups
- Hot-selling products
- Single-Phase Voltage Stabilizer
- 3 Phase Voltage Stabilizer
- AC Transformers
- Variable Transformer
- VFD Variable Frequency Drive
- Power Transformer
- High and low voltage distribution cabinet
- Soft Starters
- Pure Sine Wave Inverter
- Voltage Stabilizer Components
- Lithium Battery
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