KE300A-06 Series Construction Elevator Special Inverter

KE300A-06 elevator inverter, specially designed for industrial applications such as tower cranes, construction ladders, and hoisting. Compared with traditional elevator drive control systems, the program has been adapted to the application characteristics of elevators Professional design of brake logic timing control function, advanced current limiting technology, and hardware optimized design. The vector drive is combined with the lifting logic control to ensure the comfort and safety of the brake at the moment of opening. There is no "overshoot" phenomenon in the upward direction and no "weight loss" in the downward direction.

Features of KE300A-06 Series Construction Elevator Special Inverter

(1) Compared with traditional non-speed-adjustable elevators, it is more comfortable. It ensures the comfort and safety of the brake at the moment of opening. There is no "overshoot" phenomenon in the upward direction and no "weightlessness" in the downward direction.

(2) It can realize energy feedback, good braking effect, and can save a lot of energy.

(3) High torque at low frequency.

(4) The frequency conversion speed regulation system has perfect safety protection function. Such as under-voltage, over-voltage, over-torque, over-current protection, etc., to ensure the reliability and safety of the entire electronic control system.

(5)Since the system is a low-speed brake, the brake has a relatively small rotational friction, which greatly extends the service life of the brake.

Specifications of KE300A-06 Series Construction Elevator Special Inverter


Technical Index



Input voltage

1AC 220V±15%,3AC 380V±15%,3AC 660V±15%

Input frequency



Output voltage

0~rated input voltage

Output frequency

V/f control: 0~3000HzSensorless vector control: 0~300Hz

Operation command mode

Keypad controlTerminal controlSerial 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

G model: 150% 60s, 180% 10s, 200% 3s P model: 120% 60s, 150% 10s, 180% 3s

Starting torque

Speed adjustment range

1:100 (SVC), 1:50 (V/f)

Carrier frequency

  1. ,automatically adjusted according to temperature and load characteristics

Frequency accuracy

Digital setting: 0.01HzAnalog 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/decele ration mode

Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s

DC braking

DC braking when starting and stoppingDC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s

Jog operation

Jog operation frequency: 0.0Hz~maximum frequencyJog 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 protections 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: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI: AI1: 0~10V or 0/4~20mA A12: 0~10V or 0/4~20mA

Output terminals

1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output) 2 relay output 2 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.

Multifunction key

QUICK/JOG key, can be used as multifunction key


Ambient temperature

-10℃~40℃, derated 4% when the temperature rise by every 1℃(40℃~50℃).


90%RH or less (non-condensing)


≤1000M: output rated power, >1000M: output derated

Storage temperature


Storage environment

Indoor, no direct sunlight, dust, corrosive gas, flammable gas, oil mist, steam, dripping water, salt, vibration

Shenzhen MICNO Electric Co., Ltd.provides pv power booster, variable speed single phase motor, micno vfd, etc. Contact us to knowmore.


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