VR-810MRC
Standard features
Have such protection functions as short circuit protection, stalling protection, overload protection, earthing protection, open phase/unbalance protection, under load protection , TE curve protection, under voltage / over voltage protection, start overtime protection, over speed trip protection before start, power loss protection, external failure protection, current leakage protection (with external CT), electric dazzling protection; current, three-phase current unbalance factor, three-phase voltage, zerosequence voltage, three-phase voltage unbalance factor, active/reactive power, power factor and frequency; realize comprehensive protection for motor, and record the protection events;
Active electric energy (kWh), reactive electric energy (kvarh);
Four kinds of protection control output modes:
1. Direct start 2. Trip protection 3. Wye/delta start 4. Circuit breaker protection
Wide range AC/DC power supply: AC/DC 110V~250V;
1-channel RS-485 communication interface, Modbus-RTU communication protocol;
11-channel remote digital signal input: 7-channel with start/stop/emergency stop /communication /display control functions, 5 - channel relay output: 1-channel for failure alarm output;
Three-phase current measurement and SOE records, real-time reading via communication interface; the protection parameters can be set through display unit and communication software;
Optional features
Extended display unit: real-time display of power measurement, on-site setting of parameters
Digital LED display unit PDM-810DS (DS)
Digital LCD display unit PDM-810DSC-1 (DSC1)
Chinese LCD display unit PDM-810DSC-2 (DSC2)
Double RS-485 communication interface (C)
1-channel programmable analog output 4mA~20mA (A)
Profibus-DP communication interface (DP)
DeviceNet communication interface (DE)
Time delay power supply module PDM-810TY (TY)
Dual power supply module PDM-810SY (SY)
No-voltage restart ( z )
Connected to zero-sequence/leakage CT input, measure zero-sequence/ leakage current (Y1A/Y50)
There are two current input modes available for user's choice.
1. Special small CT input (MT optional): less than 15A( MT25), 15A-60A(MT100 )、30A-110A( MT150)、60A-150A(MT250 )
2. In case of more than 150A, adopt standard CT (1A/ 5A)
Select one from DP, DE and double RS-485 communication functions
Overall Dimensions: