SHANDONG LIANCHUANG GAOKE AUTOMATION CO.,LTD.

SHANDONG LIANCHUANG GAOKE AUTOMATION CO.,LTD.

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

Request Quote

language

PRODUCTS

LIANCHUANG GAOKE AUTOMATION

OEM equipment manufacturers can customize the frequency converters that you prefer and install them on your products.

Home

Spatial Model-LP300A(Small Power)

3PH 380V±15% 1.5-22KW

Category:

General Heavy Duty model

Inquiry

Keywords:

General Heavy Duty model

Products Detail

Features:

Book structure design, Modular structure layout ,volume is Max.60% reduced .

High wind speed design scheme ,High protection reliability structure design

Higher sealing degree of electronic components

Stable and reliable performance, support double-row display, and strong adaptability

Upper and lower straight air duct ,Wide tooth surface heat dissipation structure

High drive torque characteristics, keep mechanical torque limit .

EMC protection built in

PG card expandable for close loop control.

Powerful and supports multiple field buses

Standard 485 communication, Can Link expandable.

Support user programmable control card (PLC card), and the programming method is fully compatible with H1U series PLC

Applications:

Numerical control machine, Forging Machine,Textile machinery , Roots Blower Lifting, Plastic machinery ,Petroleum , Food machinery,etc.

Technical Specification of LP300A Series:

Item	Technical Index	Specification
Input	Input voltage	3AC 380~460V (- 15%~+20%)
Input	Input frequency	50/60Hz±5%
Output	Output voltage	0～rated input voltage
Output	Output frequency	Vector control: 0~500Hz ;V/f control: 0~2000Hz
Control Features	Control mode	V/f control;Sensorless vector control (SVC) ;Close-loop vector control (FVC)
	Operation command	Keypad control;Terminal control;Serial communication control (Modbus)
	Frequency setting mode	Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes.
	Overload capacity	G model: 150%/60s, 180%/3s;P model: 120%/60s , 150%/3s
	Starting torque	0.25Hz/ 150% (SVC); 0.5Hz/ 150% (V/f), 0Hz/ 180% (FVC)
	Speed control	±0.5% (SVC)
	Carrier frequency	0.5~ 16.0kHz, automatically adjusted according to temperature and load characteristics
	Frequency accuracy	Digital setting: 0.01Hz;Analog setting: maximum frequency ×0.025%
	Torque boost	Automatically torque boost; manually torque boost: 0.1%~30.0%
	V/f curve	Three types: linear, multiple point and square type ( 1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
	Acceleration/decele	Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.0~6500.0s
	Braking unit	1.5~22kW: standard build-in.30~37kW optional for build-in >37kW, external braking unit..
	DC braking	DC braking when starting and stopping DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~36.0s
	Jog operation	Jog operation frequency: 0.0Hz~maximum frequency ;Jog acceleration/deceleration time: 0. 1s~6500.0s
	Simple PLC &	It can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal.
	Built-in PID	Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
	Automatic voltage	Keep output voltage constant automatically when input voltage fluctuating
Control Function	Torque limit	“Rooter” characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process
	Wobble frequency	Multiple triangular-wave frequency control, special for textile
	Timing/length/	Timing/length/counting control function
	Over-voltage & over-current stall	Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
	Fault protection function	Comprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function
Input/out put terminals	Input terminals	Programmable digital inputs: DI1~DI6, DI5 can be used as high speed pulse input terminal. Programmable analog inputs: AI1, AI2 (compile with both 0～10V & 4～20mA).
	Output terminals	Programmable digital outputs: 2 relay outputs 2 open-collector outputs, FM can be set as high speed pulse output terminal (0~ 100kHz).
	Communication	Standard RS485 communication interface, support MODBUS-RTU communication protocol
Human machine	LED display	Display frequency setting, output frequency, output voltage, output
Human machine	Multi-function key	MF.K key, can be used as multi-function key
Environ-ment	Ambient	- 10℃~40℃ (>40℃ , output derated) , without direct sunshine.
	Humidity	95%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, ＞1000M: output derated
	Storage	-20℃~60℃

Dimensions of LP300A Series:

Power (kW)	Outlook dimensions(mm)
Power (kW)	H	W	D
1.5~2.2	200	86	183
4~5.5	238	97	183
7.5~11	320	116	208
15 ~ 22	383	142	255
30 ~ 37	440	200	229
45 ~ 75	575	270	316
90 ~ 132	745	325	349
160	825	375	369
185 ~ 220	900	440	369
250 ~ 315	1025	526	369
355 ~ 400	1000	608	369

WE COMMITMENTS

1.Software engineers and hardware engineers will serve you together, to solve all your technical related issues on time.

2.Priority delivery to ensure timely delivery.

3.Market protection to ensure dealer rights.

4.OEM/ODM

5.Some consumable parts will be sent with the machines, to solve problem for customers timely.

OUR ADVANTAGES

1.With 20 years of production experience and advanced equipment, we are the largest VFD manufacturer in north of China, and we support for factory inspection at any time.

2.High-cost performance: competitive price, advanced technology, professional service.

3.One-stop production: from software program and design, to PCB board printing, assembly and testing, to metal shell production and heat sink production, etc. With all those processes under control, we can ensure the stable quality and lowest cost.

4.Strict quality control: five-steps inspection ensures that each machine is a top-quality product before leaving our factory: AOI inspection, single board (PCB) test, pre-test after assembly, aging test and whole machine test.

5.Except ISO9001 and CE approved, we also won multiple domestic awards, and we are one of the VFD manufacturers supported by the government.

6.Complete after-sales service system, 18-month warranty from product delivery.

7.We have run mature dealer-service business model with 50+ dealers in operation at home and abroad.

Performance Comparison: Our VFD vs. Leading Brands

Feature	Our Factory VFD	ABB / Siemens / Danfoss	Advantage for You
Price	Factory Direct: 30-50% Lower	Premium Brand Pricing	Significant Cost Savings
Power Range	0.75kW - 1000kW+	Similar	Same Flexibility
Efficiency	Up to 98%	Up to 98%	Comparable Performance
Overload Capacity	150% for 60s / 180% for 3s	Similar	Reliable in Demanding Apps
Control Technology	Sensorless Vector / Closed-Loop	Advanced Vector Control	Equivalent Precision
Energy Savings	30-50% Reduction	30-50% Reduction	Same ROI, Lower Initial Cost
Warranty	1-3 Years	1-3 Years	Longer Protection
Customization	OEM/ODM Available	Limited	Tailored to Your Needs
Delivery Time	7-15 Days	Longer Lead Times	Faster Project Start

As a direct manufacturer, we deliver high-performance VFDs with specifications matching top brands like ABB and Siemens, but at 30-50% lower cost. Enjoy the same energy efficiency and reliability without the premium price tag – maximizing your ROI and competitiveness.

Warranty Agreement

1.The warranty period of this product is 18 months (subject to the barcode information of the machine body). During the warranty period, under the normal use of the user manual, our company is responsible for free repair of the product sales failure or damage.

2.During the warranty period, certain maintenance costs will be charged for damage caused by the following reasons:

The machine is damaged due to errors in use and unauthorized repair and transformation;

Machine damage caused by fire, flood, abnormal voltage, other premature disasters and secondary disasters;

Hardware damage caused by artificial fall and transportation after purchase;

Machine damage caused by not operating according to the user manual provided by our company;

Faults and damages caused by obstacles outside the machine (such as external equipment factors);

In case of product failure or damage, please fill in the contents of the “Product Warranty Card” correctly and in detail.

The charge of maintenance costs shall be subject to the latest adjusted “Maintenance Price List” of our company.

This warranty card will not be reissued under normal circumstances. Please be sure to keep this card and show it to the maintenance personnel during warranty.

In case of any problem during the service, please contact our agent or our company in time.

The Company reserves the right to interpret this agreement.

Manual Download