MMP

• Current, Voltage, Power Measurement, and Power Factor Protection • Instantaneous interruption compensation and restarting • Harmonic measurement (1st to 16th) • Modbus communication and 4~20mA

Features

Convenience

  • Comprehensive digital motor protection relay with the MCU (microprocessor control unit)
  • Applicable to inverter circuits
  • Function to store the cause(s) of failure/fault
  • One-body type and separate body type
  • Communication function (RS485 modbus and 4~20ma output)
  • A wide range of reset functions
  • Date information display
  • Password setting
  • Total operating time and operating time setting
  • Wide setting of ground fault current sensitivity 30ma~25a

Reliability

  • Thermal heat build-up inverse time/inverse time/definite time selection function
  • Wide setting range and dual protection
  • The device may be used without external CT up to 100A, providing convenience and cost-effective solution
  • Various motor starting modes
  • Metering of current, voltage, and energy (with 1% accuracy for A & V)
  • Carries out complex relay functions related to current, voltage, energy, and power factor
  • Self-diagnosis and sequence monitoring
  • Power loss and restarting
  • Frequent-starting protection

Specification

Functions

FunctionRangeAccuracy(%)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±0.03cosθ
Voltage hamonics (%)0~100%±5.0%2nd -16th odd harmonics
Current hamonics (%)0~100%±5.0%2nd -16th odd harmonics

Specification

RatingSpecification
Communication number1~247
Baud rate9600, 19200, 38400 bps
Communication ParityNone, Even, Odd
Stop Bit1bit (fixed)
Communication data swapOFF / ON (Limited to float, long data of 0x04 (Read Input Registers))
Operation modeDifferential
Communication distanceMax. 1.2km
CableRS-485 Shielded Twist 2-Pair Cable
Transmission MethodHalf-Duplex–
Max. In/Output Voltage-7V~+12V
All in one

Hanoi Office

10th floor, 789 building, 147 Hoang Quoc Viet street, Cau Giay District, Ha Noi city, Vietnam

Hai Phong

LGE Factory - Tràng Duệ Industrial - An Dương District, Hải Phòng City

Da Nang

Văn phòng đối tác (HVN) 305 - Nguyễn Tất Thành - Hải Châu - Đà Nẵng

Ho Chi Minh Office

17th floor, Empress building, 138-142 Hai Ba Trung street, Da Kao ward, Distric 1, Ho Chi Minh city, Vietnam