LSIS EMPR DMPi Series, Manual, Page: 63 / 107

Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Comprehensive Digital Motor Protection Relay with the MCU (Microprocessor Control Unit)
Real-time processing and high precision
Applicable to Inverter Circuits
Thanks to its characteristics to harmonic noise, it can be applied to the inverter control circuits. The available
frequency range is 20~200Hz. When the relative harmonic factor is over 30%, a harmonic filter should be
installed (However, the ground fault function should be off).
Storage of Fault Events
Up to 5 fault events can be stored for easy fault history management.
One-Body Type and Separate Body Type
The display can be attached to the panel front so that current, operation time and settings can be checked
without fetching the unit. With the display separated, the motor protection is available.
Communication support type
RS-485 MODBUS communication with various systems.The model with analogue signals (4~20mA) is
compatible with transducer systems.
Various Reset Functions
Manual, automatic and electric reset functions are provided for customer convenience.
Date and Total Operating Time Setup
When a fault occurs, its date and time are stored for easy checkup. When the total operation time is over,
it is displayed for changing motor bearings or supplying oil.
Password
Settings are protected with a password.
Total operating time and operating time setting
When the predefined operating time has elapsed, related information is displayed so that operators may replace
the motor bearing and check the refueling cycle.
Quick Setup
All settings can be decided quickly on the display.
Wide Setting of Ground Fault Current Sensitivity 30mA~25A
Zero current sensing by zero sequence CT. zero current sensing by Residual circuit.
Thermal Inverse Time, Inverse Time and Definite Time Modes
According to user’s needs, the motor can be protected in the inverse time mode or definite time mode.
3-Phase Digital Ampere-Meter
3-phase current is displayed every two seconds for motor monitoring.
Wide Current Setting Range: 0.125~100A for One Model
With the slide S/W, the current setting range can be decided 0.5~10A or 5~100A. Depending on the number of CT
penetration, even 0.125A current can be protected. (Wire penetration hole is required).
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Product characteristics
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
MCU
Slide S/W
30mA 25A
Save
INV
Return
Total
~100A
MCU
Slide S/W
30mA 25A
Save
INV
Convenience
Reliability
62 Electronic Motor Protection Relays