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KE300X系列220V变频器

KE300X系列220V变频器是为小功率OEM市场的常见应用而设计的，具有PID、多级调速、直流制动、Modbus通讯等多种功能。它较小的尺寸可以进一步减少安装空间（尺寸比同类产品小15%左右）。

产品特点
规格参数
选型表
经典案例
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KE300X系列220V变频器的特点

无传感器矢量控制和V/F控制
设计紧凑，安装空间小
标准电位计和外部LED键盘
产品符合IEC国际标准，满足CE认证测试要求。
设置多种常用功能，满足应用需求：

标准Modbus通信；
内置PID；
16速度控制；
可进行多点V/F曲线设置；
具有多功能输入输出端口，开关量可设定延时时间；
具有过流、过压、欠压、超温、过载等保护功能，并能保存故障信息；
采用直流制动、磁通制动、电阻能制动；
超速、过电压失速和负载适应性。

KE300X系列220V变频器的应用：；

包装、食品、纺织、离心机械、雕刻机械、线切割

KE300X系列220V变频器技术条件

Input	Input voltage	1AC/3AC 220V±15%, 3AC 380V±15%
Input	Input frequency	47~63Hz
Output	Output voltage	0～rated input voltage
Output	Output frequency	KE300X: V/f control: 0~3000Hz Sensorless vector control: 0~300Hz KE300B: 0~400Hz
Control Features	Control mode	V/f control(KE300X & KE300B-S2) Sensorless vector control (KE300X & KE300B-T4) Torque control (KE300X)
	Operation command mode	Keypad control Terminal control Serial communication control
	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	150% 60s, 180% 10s, 200% 3s
	Starting torque	0.5Hz/150% (SVC); 1Hz/150% (V/f)
	Speed adjustment range	1:100 (SVC), 1:50 (V/f)
	Speed control precision	±0.5% (SVC)
	Carrier frequency	1.0--16.0kHz, automatically adjusted according to temperature and load characteristics
	Frequency accuracy	Digital setting: 0.01Hz Analog setting: maximum frequency * 0.05%
	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/deceleration mode	Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s
	DC braking	DC braking when starting and stopping DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s
	Jog operation	Jog operation frequency: 0.0Hz~maximum frequency Jog acceleration/deceleration time: 0.1s~3600.0s
	Simple PLC & multi-step speed operation	It can realize a maximum of 16 segments speed 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 regulation	Keep output voltage constant automatically when input voltage fluctuating
Control Function	Common DC bus	Common DC bus for several inverters, energy balanced automatically
	Torque control	Torque control without PG
	Torque limit	“Rooter” characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process
	Wobble frequency control	Multiple triangular-wave frequency control, special for textile
	Timing/length/ counting control	Timing/length/counting control function
	Over-voltage & over-current stall control	Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
	Fault protection function	Up to 30 fault protection including 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/ output terminals	Input terminals	Programmable DI: 5 on-off inputs (KE300B: 4), 1 high-speed pulse input 1 programmable AI1: 0~10V or 0/4~20mA
	Output terminals	1 programmable open collector output: 1 analog output (KE300X: open collector output or high-speed pulse output) 1 relay output 1 analog output: 0/4~20mA or 0~10V
	Communication terminals	Offer RS485 communication interface, support MODBUS-RTU communication protocol
Human machine interface	LED display	Display frequency setting, output frequency, output voltage, output current, etc.
Human machine interface	Multifunction key	QUICK/JOG key, can be used as multifunction key
Environment	Ambient temperature	-10℃～40℃, derated 4% when the temperature rise by every 1℃ (40℃～50℃).
	Humidity	90%RH or less (non-condensing)
	Altitude	≤1000M: output rated power, ＞1000M: output derated
	Storage temperature	-20℃～60℃

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KE300X系列220V变频器选型表

KE300X Series Mini Frequency Inverter model selection

Inverter Model	Motor		Rated Input Current (A)	Rated Output Current (A)
Inverter Model	kW	HP	Rated Input Current (A)	Rated Output Current (A)
KE300X 1AC 220~240V ±15%
KE300X-0R4G-S2	0.4	0.5	5.4	2.3
KE300X-0R7G-S2	0.75	1	8.2	4
KE300X-1R5G-S2	1.5	2	14	7
KE300X 3AC 220~240V ±15%
KE300X-0R4G-T2	0.4	0.5	3.4	2.3
KE300X-0R7G-T2	0.75	1	5	4
KE300X-1R5G-T2	1.5	2	7.7	7