SHANDONG LIANCHUANG GAOKE AUTOMATION CO.,LTD.

SHANDONG LIANCHUANG GAOKE AUTOMATION CO.,LTD.

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LIANCHUANG GAOKE AUTOMATION

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

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LC700 Iron Shell VFD | Industrial Frequency Inverter Manufacturer & OEM Supplier

3PH 380V±15% 1.5kw-200kw

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LC700 Iron Shell VFD | Industrial Frequency Inverter Manufacturer & OEM Supplier

Products Detail

Power	Motor		Rated Output Current (A)
Power	kW	HP	Rated Output Current (A)
3PH 380V±15%
1.5kW	1.5	2	4.4
2.2kW	2.2	3	5.8
4.0kW	4.0	5	10
5.5kW	5.5	7.5	13
7.5kW	7.5	10	17
11kW	11	15	25
15kW	15	20	32
18.5kW	18.5	25	37
22kW	22	30	45
30kW	30	40	60
37kW	37	50	75
45kW	45	60	90
55kW	55	75	110
75kw	75	100	150
90kw	90	120	176
110kw	110	150	210
132kw	132	180	255
160kw	160	215	305
185kw	185	250	340
200kw	200	270	377

2.2 Technical Specifications

Item	Technical Index	Specification
Input	Input voltage	Three-phase AC380V; 50/60Hz Single-phase AC 220V; 50/60Hz
Input	Voltage tolerance Variation Range	Three-phase AC360V to 450V Single-phase AC190V to 250V
Output	Output voltage	0–460V 0 to 260V
Output	Output frequency	Vector Control: 0 to 500 Hz V/F Control: 0 to 500 Hz
Output	Overload capacity	G model: 150%/60s, 200%/4s P model: 120%/60s, 150%/1s
Control mode		V/F control, Sensorless Vector Control (SVC)
Control characteristics	Frequency setting resolution	Digital setting: 0.01Hz Analog input: Maximum Frequency ×0.025%
Control characteristics	Frequency accuracy	Digital input: Within 0.2% of the maximum output frequency Analog input: Set output frequency within 0.01%
V/F control	V/F curve (voltage frequency characteristics)	The reference frequency can be set arbitrarily between 0.5~3000Hz, and the multi-point V/F curve can be set arbitrarily. Multiple fixed curves such as constant torque, reduced torque 1, reduced torque 2, and squared torque can also be selected
	Torque boost	Automatically torque boost;Automatically determine the lifting torque based on the output current and combined with motor parameters manually torque boost: 0.0%~30.0%
	Automatic current and voltage limiting	It can automatically detect the stator current and voltage of the motor during acceleration, deceleration, or stable operation, and suppress them within the allowable range based on a unique algorithm, minimizing the possibility of system fault tripping
Senseless vector control	Voltage frequency characteristics	Automatically adjust the output voltage frequency ratio based on motor parameters and unique algorithms
	Torque characteristics	Starting Torque: 150% rated torque at 3.0Hz (V/F control) 150% rated torque at 0.25Hz (sensorless vector control) Steady-state accuracy at operating speed: ≤±0.2% rated synchronous speed Speed Fluctuation: ≤±0.5% of rated synchronous speed Torque response: ≤20ms (sensorless vector control)
	Self-measurement of motor parameters	Without any limitations, automatic parameter detection can be completed under both static and dynamic conditions of the motor to achieve the best control effect
	Current and voltage suppression	Full process current closed-loop control, completely avoiding current surge, with complete overcurrent and overvoltage suppression function
Control characteristics	Under voltage suppression during operation	Especially for users with low grid voltage and frequent fluctuations in grid voltage, even within the allowable voltage range, the system can maintain the longest possible operating time based on unique algorithms and residual energy allocation strategies
Typical functions	Multi stage speed and swing frequency operation	16 segments programmable multi speed control, with multiple operating modes to choose from. Swing frequency operation: preset frequency and center frequency adjustable, state memory and recovery after power failure
	PID Control RS485 Communication	Built-in PID contro(Pre set frequency) Standard RS485 communication interface, support MODBUS-RTU communication protocol
	Input terminals	Programmable digital inputs:Operation panel settings, RS485 interface settings, UP/DW terminal control, and multiple combination settings with analog inputs Programmable analog inputs: DC Voltage (0~10V), DC current (0～20mA).
	Output terminals	Programmable digital outputs:1 channel Y terminal open-collector output, 1 channel DO high-speed pulse output (selectable as open-collector output), and two programmable relay outputs (TA, TB, TC) with up to 58 selectable functions Programmable analog outputs: Two analog signal outputs, with a flexible output range between 0~20mA or 0~10V, can achieve the output of physical quantities such as set frequency and output frequency
	Automatic voltage stabilization operation	According to the needs, dynamic voltage regulation, static voltage regulation, and non voltage regulation can be selected to achieve the most stable operating effect
Typical functions	Acceleration and deceleration time setting	0.0s~6500.0min continuously adjustable, S-type and linear mode optional
	Low noise operation	The carrier frequency is continuously adjustable from 0.5KHz to 16.0KHz, minimizing motor noise to the greatest extent possible
	Speed tracking speed restart function	Can achieve smooth restart and instantaneous stop restart functions of the motor during operation
	Counter	One internal counter for easy system integration
	Running functions	Upper and lower frequency settings, frequency jump operation, reverse operation restriction, slip frequency compensation, RS485 communication, frequency increase and decrease control, fault self recovery operation, etc
Retardation	Energy consumption braking	The starting voltage, return voltage, and energy consumption braking rate of energy consumption braking can be continuously adjusted
	DC braking	Starting frequency of DC braking during shutdown: 0.00~upper limit frequency Braking time: 0.0~100.0 seconds; Braking current: 0.0%~100.0% rated current
	Magnetic flux braking	0~100 0: Invalid
Display	Running state	Output frequency, output current, output voltage, motor speed, set frequency, module temperature, PID setting, feedback quantity, analog input and output, etc
Display	Alarm content	Records eight operational parameters during three fault trips: output frequency, set frequency, output current, output voltage, DC voltage, module temperature, power-on time, and runtime
Fault protection function		Over current, over voltage, under voltage, module failure, electronic thermal relay, overheating, short circuit, input and output phase loss, abnormal motor parameter tuning, internal memory failure, etc
Environ-ment	Ambient temperature	-10℃～40℃ (>40℃, output derated), without direct sunshine.
	Humidity	5%~95%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, ＞1000M: output derated
	Environment	Indoor (without direct sunlight, corrosion, flammable gases, oil mist, dust)
Structure	Protection level	IP20
Structure	Cooling method	Air cooling with fan control
Installation method		Wall mounted, cabinet mounted

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.

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