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Rich Electric - Model EI 450M - AC ...

Rich Electric - Model EI 450M -AC Drive for General Industrial Machines

AC Drive is a mini power saving inverter. It features the most simple AC induction motor controller from 200W up to 1.5kW for 220VAC and 440VAC Class. The status indicator LED and 7-segment display are built in and can show the data value for the easy reading. AC Drive is small, quiet and powerful.

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Features
AC Drives with full-range automatic torque boost:

slip compensation
9-step speed operation (Max.)
momentary power loss at restart
frequency reference bias/gain
fault reset
speed search
reference upper /lower limit setting
overtorque detection
frequency hold command
DC injection braking current/ time at start/ stop frequency
accel/decel time select
accel/decel hold command
accel/decel S pattern
frequency reference with built-in potentiometer
frequency reference setting
constants copy (accessory option)

Full-range-Automatic Torque Boost

High starting torque (150%/ 3Hz) to start the machine smoothly.

Complete Protective Functions

High-speed current limit to prevent over current (200% or more of the rated current), tripless operation (Momentary power loss restart, stall prevention, fault reset)
Built-in rush current limited circuit
Ground fault protection
Built-in rush current limited circuit
Ground fault protection

Functions

Multi-speed setting (up to 9 steps)?2-step acceleration/ deceleration, 2-step jump frequency, UP/DOWN selection, jog command…etc.
Full-range automatic torque boost, slip compensation, stall prevention, over torque detection, DC injection braking…etc.
Remote speed reference?0~10VDC, 4~20MA?0~20MA, multifunction input and output terminal, analog output monitor, NPN and PNP input signal switch
MODBUS message format, RS485 series communication card available (Optional accessory)
Built-in digital keypad operator (RCUS-450) with complex digital keypad operator (RCU-450) (Optional accessory)

Broad Application

Substitute Magnetic Contact
No contact ensures, no transmission and maintenance requested.
Conveyer
Soft start/stop function enables goods to stand still on conveyer.
Single Phase Power Input
Using single-phase power drives three-phase motor to rise the efficiency.
Flow Machine(Fan-Pump)
Changing motor speed smoothly makes the best of flow to save energy.
Food Processing Machine
The operation speed can be changed by using multi-speed functions (up to 9-step speed) and pre-set speed.
Standard Mechanization
The machine controlled by the inverter/drive can be used with local power frequency (50/60 Hz).

220V Class (1-Phase Input) 200W~1.5kW
220V Class (3-Phase Input) 200W~1.5kW
440V Class (3-Phase Input) 400W~1.5kW