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Intelligent Digital Motor Protection Relay
Model Name
DMPi
Series
Low Voltage (Device)
Data
Catalog(Electric Product)-LS ELECTRIC-Low Voltage (Device)-Intelligent Digital Motor Protection Relay (DMPi)
Manufacturer information
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LS ELECTRICSmart Power Solution, Low Voltage, Smart Automation Solution, PLC, Smart Railway Solution, Signaling System and more
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Manufacturer
LS ELECTRIC
Brand
-
SKU
132989
Product Name
Intelligent Digital Motor Protection Relay
Model Name
DMPi
Size
-
Weight
-
Product Details

DMPi
Intelligent Digital Motor Protection Relay

• Definite/Inverse time option and various protection methods

• Storage of causes of failure

• Separated display part using cables

• MODBUS communication, 4~20mA DC output

• Operating time displayed for each model

 

Features

Convenience

ㆍIntegrated Digital Motor Protection Relay based on MCU(Microprocessor Control Unit)

ㆍApplicable to invertor circuits

ㆍA function to store the cause(s) of failure/fault exists

ㆍUp to five motor failure events may be saved in the system so that failure history may be easily identified

ㆍCommunication function

ㆍA wide range of reset functions

ㆍDate information display

ㆍPassword setting

ㆍTotal operating time and operating time setting

ㆍTerminal/Penetrated types are shared for application in various installation environments

 

Reliability

ㆍThermal inverse time, inverse time, and definite time modes

ㆍThree-phase digital ampere-meter

ㆍVarious protection elements and additional functions

ㆍHigh reliability

ㆍInverse time characteristic for motor protection

 

Specification

Rating Specification
Communication code 1 ~ 247
Communication speed 9600, 19200, 38400, 57600 bps
Communication parity None, Even, Odd
Fixed to 1bit 1bit
Communication data swap Limited to float, long data of Off / On (0x04 (Read input registers))

 

Rating Specification
Protection funtions Overcurrent, phase fail, phase unbalance, stall, locked rotor, reverse phase,
ground fault (Type option)Instance (Type option)
Connection method Penetrated / Terminaltype
Operating time characteristics Thermal heat build-up inverse time / Non-thermal heat build-up inverse time / Definite time
Rated current 0.5~6A/5~65A(Rating option upon placing an order)
Display 4 digit, 7-Segment
Operating power AC/DC 85~260V(50Hz/60Hz)
Reset method Automatic 1~20min (only for overcurrent)
Manual (Electrical reset)
Installation / Mounting method Display can be installed separately, 35mm DIN rail / Screw installation
Tolerance Current ±3%
Time ±5%
4~20mA output ±5%
Time setting Startup delay 1~200sec
Operation delay 1~60sec
Aux. contact Composition 3-SPST(Power supply 1a1b, i nstantaneous operation 1a)
Capacity 3A/250VAC Resistive Load
Contact minimum load 100mA / 6VDC : (95-996, 97-98)
10mA / 5VDC ( 07-08)
ZCT Input External 200mA/100mV(Exclusive ZCT)
Built-in Support (Separate connection unnecessary
Service environment Service temperature -20℃ ~ 60℃
Storage temperature -30℃ ~ 70℃
Relative humidity Below 50% RH (Without condensation)
Insulation resistance 100MΩ/500VDC
Lightning impulse voltage 1.2X50us 5kV Prototype waveform supply
Fast transient 2kV/1Min
Power consumption Below 2W

 

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.  
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