KE300A-XX-T12 (1140V) Medium Series Voltage Inverter

KE300A medium voltage series inverter is a special product designed for special voltage grade motor load in mining, petroleum and other industries;

Advanced tri-level hardware topology and AFE rectification technology for superior motor drive performance and affinity to the grid; The new modular design effectively adapts to the special needs of mine explosion-proof equipment and is widely used in mining equipment such as belt conveyors, hoists, winches, monkey cars, and emulsion pumps.

Features
Specifications
Selection table
Classic Case
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Features of KE300A-XX-T12 (1140V) Medium Series Voltage Inverter

Leading three-level topology
Output waveform is more sinusoidal
Output voltage change rate is significantly reduced

Technical Specifications of KE300A-XX-T12 (1140V) Medium Series Voltage Inverter

Product type	KE300A-T6/12（690V/1140V）series
Function description	Specification
Input	Rated input voltage (V)	AC 3PH 970V~1310V
	Rated input frequency	50Hz/60Hz, permissible range 47~63Hz
	Rated input efficiency (%)	Above 98%
	Rated input power factor (%)	Above 0.85
Output	Rated output voltage (V)	0~input voltage
Output	Output frequency	0~400Hz
Operation control characteristics	Control mode	V/F（has V/F separation function）, open-loop vector, closed-loop vector
	Motor parameter autotuning	Support static motor autotuning and rotary autotuning
	Speed regulation range	Closed-loop vector: 1:1000; open-loop vector: 1:100
	Speed control precision	Closed-loop vector: ±0.1% max speed; open-loop vector: ±0.5% max speed
	Speed fluctuation	±0.3%（open loop vector control）； ±0.1%（closed loop vector control）
	Torque control precision	10%（open loop vector control）； 5%（closed loop vector control）
	Starting torque	0.5Hz 150% （open loop vector control）; zero frequency 180% （closed loop vector control）
	Overload capacity	60s for 150% of rated current, 10s for 180% of rated current, 1s for 200% of rated current
	Important function	Master/slave control, multi-step speed running, simple PLC, multiple ACC/DEC time switching, S curve ACC/DEC, fan rotation control, energy-saving operation, PID adjustment, MODBUS communication, droop control, torque control, torque and speed control mode switching, etc.
	Protection function	Motor overheat protection, overload protection, overvoltage protection, undervoltage protection, input phase loss protection, output phase loss protection, overcurrent protection, overheat protection, overvoltage stall protection, overcurrent stall protection, short circuit protection, etc.
Peripheral interface	AI	Two（AI1、AI2）0~10V/0~20mA, one（AI3）-10~10V
	AO	Two（AO1、AO2）-10~10V /-20~20mA
	DI	Six digital inputs are included in standard configuration
	DO	One open collector output is included in standard configuration
	DO	Two relay outputs are included in standard configuration, contact capacity: 3A/AC250V，1A/DC30V
	Communication mode	485 communication（MODBUS protocol） is included in standard configuration, optional CAN, optical fiber, Profibus-DP
Others	Keypad	LCD display is included in standard configuration, compatible with LED keypad
	Ambient temp	10℃~+40℃, derate if the ambient temp is above 40℃
	RH	5%~95%
	Storage temp	-40℃~+70℃
	Elevation	Below 1000m, derate if the elevation is above 1000m, derate by 1% for every additional 100m
	Protection level	IP00、IP20、IP54

Model	Rated Input Voltage	Motor Power	Rated Output Amperage
Model	（V）	（KW）	（A）
3AC 1140V
KE300A-018G-T12	3AC 1140V	18.5	13
KE300A-030G-T12	3AC 1140V	30	21
KE300A-037G-T12	3AC 1140V	37	26
KE300A-045G-T12	3AC 1140V	45	31
KE300A-055G-T12	3AC 1140V	55	42
KE300A-075G-T12	3AC 1140V	75	52
KE300A-090G-T12	3AC 1140V	90	58
KE300A-110G-T12	3AC 1140V	110	73
KE300A-132G-T12	3AC 1140V	132	86
KE300A-160G-T12	3AC 1140V	160	104
KE300A-185G-T12	3AC 1140V	185	115
KE300A-200G-T12	3AC 1140V	200	121
KE300A-220G-T12	3AC 1140V	220	132
KE300A-250G-T12	3AC 1140V	250	162
KE300A-280G-T12	3AC 1140V	280	188
KE300A-315G-T12	3AC 1140V	315	208
KE300A-355G-T12	3AC 1140V	355	221
KE300A-400G-T12	3AC 1140V	400	260
KE300A-450G-T12	3AC 1140V	450	292
KE300A-500G-T12	3AC 1140V	500	325
KE300A-560G-T12	3AC 1140V	560	355
KE300A-630G-T12	3AC 1140V	630	415
KE300A-680G-T12	3AC 1140V	680	450
KE300A-750G-T12	3AC 1140V	750	475
KE300A-800G-T12	3AC 1140V	800	500

File Name File Format Update Date Download
KE300A Medium Voltage Variable Frequency Selection Manual 2023-08-02

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