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Foshan Top One Power Technology Co., Ltd
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Low Frequency Off Grid Solar Inverter 120V 240V PWM Controller For 1 Phase Motor

Foshan Top One Power Technology Co., Ltd
Foshan Top One Power Technology Co., Ltd
City: Foshan
Province/State: Guangdong
Country/Region: China
Tel: 0086-757-82589781
Contact Person:
Mr Henry Lee

Low Frequency Off Grid Solar Inverter 120V 240V PWM Controller For 1 Phase Motor

Brand Name : ONE-SOLAR
Model Number : LSI-60112P20
Certification : CE / FCC / EMC
Place of Origin : China
MOQ : 10 pcs
Price : Negotiable
Payment Terms : Western Union, T/T
Supply Ability : 1000 sets
Delivery Time : 15 days
Packaging Details : carton
Rated Power : 600W
Peak Power : 1800W
DC input range : 10.5-15VDC (12V) / 21-30VDC (24V)
AC Mains input range : 140-275VAC (220/230/240VAC)±4%
Output voltage : stable 220/230/240VAC±10% output
AC input frequency : 50Hz: 45-65Hz / 60Hz: 55-65Hz ( automatic recognition)
Output frequency : (DC battery mode) 60/50Hz±1%
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Hot Selling Low Frequency SInce Wave Inverter 120V 240V PWM controller For 1 Phase Motor​

Model : LSI-60112P20

Main Features:
1. 3 times peak power, excellent loading capability
2. Built-in automatic AC charger and AC mains switcher, fast and strong switch function.
3. Built-in AVR stablizer, continuous stable voltage and pure sine wave outpout, low frequency type same as the mains power, never harm to any load.
4. Transfer time ≤ 5ms
5. Conversion efficiency more than 90%
6. Output 50Hz/60Hz(auto recognition) pure sine wave suitable for Solar power system, all the home appliances and equipments, such as Mobile phone, Computer,Tablet, PAD, Camera, TV, Shaver, DVD, Fan, Lamp, Game machine, Induction Cooker, Computer, refrigerator, Air conditioner etc.

7. Strong anti-shock function, especially designing for refrigerating system and high-end equipments sensitive load.

8. Adopting the copper transformer, making the inverter working stable and reliable, and with more load capacity.

9. Equiped with LCD display, showing the voltage and current.

10. Digital control 3 stages charging: Constant current charging-->constant voltage phase charging -->floating charging, improve battery uselife.

11. Independent R&D design, adopting the latest technology and developments, and have a long operating life
12. Power saving function (Standby mode) and low non-load current and saving electricity and energy

Technical datas:

LSI series (0.35-20KW Pure Sine Wave Inverter with PWM controller and AC charger)
Rated Power350W500W600W1KW1.2KW1.5KW2KW3KW5KW7KW10KW15KW20KW
Peak Power【3 times】1050W1500W1800W3KW3.6KW3.0KW6KW9KW15KW21KW30KW45KW60KW
Nominal battery voltage12VDC12VDC/24VDC24VDC/48VDC48VDC96VDC192VDC
InputDC input range10.5-15VDC (12V) / 21-30VDC (24V) / 42-60VDC (48V) / 84-120VDC (96V) / 168-240VDC (192V)
AC Mains input range(220/230/240VAC) 140-275VAC170-250VAC
AC input frequency50Hz: 45-65Hz / 60Hz: 55-65Hz 【50Hz/60Hz automatic recognition】
OutputTransfer efficiency≥85%
Output voltage(DC battery mode) 220/230/240VAC±2%
Output frequency(DC battery mode) 60/50Hz±1%
Output wave formPure sine wave
Output voltage(AC mains mode) stable 220/230/240VAC±10% output 【built-in AVR stablizer】
AVR output stablizerAC mains<140VAC±5% swtich to DC battery mode, AC mains>150VAC ±5% return to AC mains mode;
AC mains>275VAC±5% swtich to DC battery mode, AC mains<255VAC ±5% return to AC mains mode;
The above is for output 220V system reference, 230V/240V output just multiply by percentage
Output frequency(AC mains mode) automatic tracing from AC input

Multiple Protection Functions

ProtectionLow battery alarm≤10.5VDC (12V) / ≤21VDC (24V) / ≤42VDC (48V) / ≤84VDC (96V) / ≤168VDC (192V) alarm
Low battery protection≤10VDC (12V) / ≤20VDC (24V) / ≤40VDC (48V) / ≤80VDC (96V) / ≤160VDC (192V) automatic shutdown
High battery alarm≥15VDC (12V) / ≥30VDC (24V) / ≥60VDC (48V) / ≥120VDC (96V) / ≥240VDC (192V) alarm
High battery protection≥17VDC (12V) / ≥34VDC (24V) / ≥68VDC (48V) / ≥136VDC (96V) / ≥272VDC (192V) automatic shutdown
Over load protection110% more than rated capacity, automatic shutdown
High temperature【Built-in temperature real time sensor】, ≥85℃ alarm, ≥90℃ automatic shutdown
Short circuit protectionAutomatic shutdown


1. Strong loading capacity, which provides the true onetime soft start.

2. Helped by the highly optimized circuit structures, original electronic components and high-tech DSP program, full range of all our models can achieve maximum power loading by only onetime soft start. For example, 2000W inverter can onetime start directly with 2000W power loading.

3. Original electronic components

New and original electronic components are used for internal parts including capacitors, resistors, transformers, MOSFETs, etc., We import U.S. brand Infineon IR MOSFETs with certificate of origin, batch and date of production, which guarantees original and high quality.

4. Intelligent temperature control:Heat value of our inverter is every low.
5. Pure copper transformer: high quality materials for the whole series
6. Super load capacity: three times peak power of rate power


Foshan Top One Power Technology Co., Ltd, specializes in manufacturing and marketing new energy products such as inverter, charge controller for UPS systems or solar power system etc, also produce high quality power products by OEM/ODM to well-known brands.

ONE-SOLAR is our trademark. Our factory monthly output reaches more than 60000 sets, keeps rising development as a top innovative enterprise. Since the company established, we continuously introduce advanced technology and equipment with high precision, to improve our product quality with joint effort of experienced R&D engineer team.

Our ONE-SOLAR Service:
1. OEM service: We offer Professional OEM service. We have a comprehensive R&D team, proficient in exterior design, packaging design, programming, wiring, structural optimization, etc. We are confident to satisfy you on both hardware and software.
2. After-sales team: We have a specialized after-sales team to help answer question for 24 hours. When problem arises while using or need to adapt to the local grid, our after-sale engineer will follow up the issue.
3. Project Team: We have a specialized project engineering team aiming at the on-grid and off-grid system. If necessary, we can send the engineering team to the local for inspection and design the suitable system as well as conduct optimization and maintenance.


Q1: What’s your Warranty terms?

We offter 2 years warranty time of pure sine wave inverter and MPPT solar charge controller, 1 year warranty time of PWM solar charger controller and modifiedy sine wave inverter.

Q2: Do you have MOQ of your products ?

Yes, after the sample order MOQ is 10pcs, but if you want to to print you brand logo on the product the MOQ is 100pcs.

Q3: What' s the difference between low frequency and high frequency inverter?

Low frequency inverter has various protections, strong ability to adapt to the environment. more reliable, with voltage regulation.

Q4: What kind of volt and frequency output your inverter can provide?

Normally our inverter can provide 110VAC /120VAC/130VAC, 220VAC/ 230VAC/ 240VAC output, 50Hz/60Hz auto recognition according to customers’ request.

Q5: Do you just supply inverter ?

We not only provide off grid inverter,solar charge controller, ups inverter,but also we provide the whole solar power system solution.

Tag: Solar Powered Inverter, Pure Sine Wave Inverter, PWM Solar Charge Controller, DC To AC inverter

More infos, contact Foshan Top One Power Technology Co., Ltd
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Top One Power (ONE-SOLAR) Experienced inverter factory mainly produce:
Off grid single phase low frequency pure sine wave inverter 12-240VDC to 110/220VAC:350W-30KW(500VA-40KVA)
Off grid single phase high frequency pure sine wave inverter 12-48VDC to 110/220VAC:1.5-3KW
Off grid single phase modified sine wave inverter 12-48VDC to 110/220VAC:350W-5KW
PWM solar charger controller 12-48VDC:10-60A
MPPT solar charger controller 12-48VDC:30-60A

Product Tags:

off grid invertor


pure sine wave invertor

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