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NEW LCD Motor Protection RelayDIN-rail, 1% high accuracy
New MDB-501 LCD Motor Protection Relay
● Built-in LСD and keypad afford a precise,digital setting
● Measurement error≤1%
● Three-phase monitoring of short-circuit, locked-rotor,overcurrent, undercurrent, phase loss, current unbalance
● 1 or 2 phase monitoring of overvoltage, undervoltage 
● Earth ground fault (should couple with ZCT)     
● RS-485 communication port (optional)   
● 4-20 mA analog output (optional)  
● Separated output contacts, two for trip,one for alarm
● LCD showing status indication
● Fault recording with last 3 faults

MDB-A LCD Motor Protective Relay

■ Compact modular size with integrative structure
■ Built-in LCD and keypad afford a precise,digital setting
■ Three-phase monitoring of overcurrent & phase loss
■ 1 C/O contact

MDB-B LCD Motor Protective Relay
■ Compact modular size with integrative structure
■ Built-in LCD and keypad afford a precise,digital setting
■ Three-phase monitoring of overcurrent & phase loss
■ 1 C/O contact
MDB-C LCD Motor Protective Relay
■ Compact modular size with integrative structure
■ Built-in LCD and keypad afford a precise,digital setting
■ Three-phase monitoring of overcurrent & phase loss
■ 1 C/O contact
Total: 1 GO
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