product Image

TOP

Smart Electronic Motor Protection Relay
Model Name
MMP
Series
Low Voltage (Device)
Data
Catalog(Electric Product)-LS ELECTRIC-Low Voltage (Device)-Smart Electronic Motor Protection Relay (MMP)
Manufacturer information
provider logo
LS ELECTRICSmart Power Solution, Low Voltage, Smart Automation Solution, PLC, Smart Railway Solution, Signaling System and more
Problem with product info?
Update request
Manufacturer
LS ELECTRIC
Brand
-
SKU
132991
Product Name
Smart Electronic Motor Protection Relay
Model Name
MMP
Size
-
Weight
-
Product Details

MMP
Smart Electronic Motor Protection Relay

ㆍCurrent, Voltage, Power Measurement, and Power Factor Protection

ㆍInstantaneous interruption compensation and restarting

ㆍHarmonic measurement (1st to 16th)

ㆍModbus communication and 4~20mA

 

Features

Convenience

ㆍComprehensive digital motor protection relay with the MCU (microprocessor control unit)

ㆍApplicable to inverter circuits

ㆍFunction to store the cause(s) of failure/fault

ㆍOne-body type and separate body type

ㆍCommunication function (RS485 modbus and 4~20ma output)

ㆍA wide range of reset functions

ㆍDate information display

ㆍPassword setting

ㆍTotal operating time and operating time setting

ㆍWide setting of ground fault current sensitivity 30ma~25a

 

Reliability

ㆍThermal heat build-up inverse time/inverse time/definite time selection function

ㆍWide setting range and dual protection

ㆍThe device may be used without external CT up to 100A, providing convenience and cost-effective solution

ㆍVarious motor starting modes

ㆍMetering of current, voltage, and energy (with 1% accuracy for A & V)

ㆍCarries out complex relay functions related to current, voltage, energy, and power factor

ㆍSelf-diagnosis and sequence monitoring

ㆍPower loss and restarting

ㆍFrequent-starting protection

 

Functions

Function Range Accuracy(%) Remarks
Voltage (V) 0.00V~9999V ±1.0% Phase1 : Phase voltage,
Phase3 : Line voltage
Current (A) 0.00V~9999V ±1.0% Phase current
Zero-phase current (In) 0.00V~9999V ±3.0% -
Reverse current (I2) 0.00V~9999V ±3.0% -
Active power (W) 0.000W~999.9MW ±1.0% Forward
Reactive power (VAR) 0.000W~999.9MVAR ±1.0% Forward
Active power amount (WH) 0.000W~999.9MWH ±1.0% -
Reactive power amount (WVARH) 0.000W~999.9MVARH ±1.0% -
PF -1.00~1.00 ±0.03 cosθ
Voltage hamonics (%) 0~100% ±5.0% 2nd -16th odd harmonics
Current hamonics (%) 0~100% ±5.0% 2nd -16th odd harmonics

 

Specification

Rating Specification
Communication number 1~247
Baud rate 9600, 19200, 38400 bps
Communication Parity None, Even, Odd
Stop Bit 1bit (fixed)
Communication data swap OFF / ON (Limited to float, long data of 0x04 (Read Input Registers))
Operation mode Differential
Communication distance Max. 1.2km
Cable RS-485 Shielded Twist 2-Pair Cable
Transmission Method Half-Duplex–
Max. In/Output Voltage -7V~+12V
LS ELECTRICSmart Power Solution, Low Voltage, Smart Automation Solution, PLC, Smart Railway Solution, Signaling System and more
We open up a brighter future through efficient and convenient energy solutions. We at LS ELECTRIC are leading the power system and automation sectors of the nation’s industry, concentrating all our effort and energy on ‘product quality’ and ‘innovative ideas.’ Under our motto Futuring Smart Energy, we are striving to stay ahead of the competition with our world-class quality and technological prowess, even in this new era of Smart Energy created by the convergence of power systems and automation. In the power systems field we are doing our utmost to expand our share of the global market, particularly in China, the Middle East, and Southeast Asia, while in the automation field we are making a foray into global markets by securing world-class technologies. Furthermore, we have secured a solid position in the smart energy sector [e.g. smart grid, micro grid, energy storage systems (ESS), photovoltaic energy] as a representative company of Korea, and have become the first Korean enterprise to make inroads into the global high-voltage direct current (HVDC) market. Naturally, we have been selected as one of the Top 100 Global Innovative Businesses by Clarivate Analytics for ten consecutive years as a result of our remarkable achievements. We will continue to achieve better results as a business synonymous with first-rate quality and excellent R&D capability, a business that provides total solutions to customers, a business to be reckoned with, and a business that knows how to grow together with its customers.  
Inquiry