Sinopak KE300 sensorless vector control inverter is developed based on the perfect integration of years of engineering experience and advanced drive technology.
KE300 integrate sensorless vector control, V/f control, torque control and soft start functions, it is widely applied in pump & fan etc application fields which require high speed control accuracy, rapid torque response and high performance at low frequency.

Technical Specifications
Input voltage:1AC 220V±15%, 3AC 220V±15%, 3AC 380V±15%,  3AC 660V±15%
Input frequency:47~63Hz 
Output voltage:0-Rated voltage 
Output frequency:V/f control: 0~3000Hz   SVC:0~300Hz 
Control mode:  V/f , SVC, Torque control 
Operation command mode: Keypad control, Terminal control, Serial communication control
Operation command 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% 10s, 200% 3s P model: 120% 60s, 150% 10s, 180% 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: straight line, multiple point and square type(1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
ACC/DEC mode:Linear/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: Max. 16 steps speed running via built-in PLC or control terminal
Built-in dual 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
Common DC bus:Common DC bus for several inverters, energy balanced automatically 
Torque control:Torque control without PG
Torque limit:"Rooter" feature: limit torque automatically and prevent frequent over-current tripping when running 
Wobble frequency control:Multiple triangular-wave frequency control, special for spinning 
Timing/length/counting control:Timing/length/counting control function
Over-voltage & over current stall control: Limit current & voltage automatically when running, prevent frequent over-current & over-voltage tripping 
Fault protection function:Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure and has fault automatic reset function 
Input terminals:Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI:    AI1: voltage -10-10V   A12: voltage 0-10V or current 0/4-20mA
Output terminals:1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output) 2 relay outputs 2 analog output: 0/4~20mA or 0~10V
Communication terminal:Offer RS485 communication interface, support MODBUS-RTU communication protocol 
LED display: Display frequency setting, output frequency, output voltage, output current, etc. 
Multifunction key: QUICK/JOG key, can be used as multifunction key 
Powerful host software: Support upload, download and real time display between inverter and PC
Ambient temperature:-10 degree - 40 degree, derated 4% when the temperature rise by each1 degree (40degree-50degree). 
Humidity:90%RH or less (non-condensing)
Altitude:less than 1000M: output rated power, more than 1000M: output derated
Storage temperature:-20 degree - 60 degree
Storage atmosphere:Indoor, without direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip, salt, vibration, etc.

For more product information, please feel free to contact Ashley by ashley.lin@siopakelectric.com