KPM60 Digital motor protection relay
KPM digital motor protection relay
KPM motor protection relay terminal
KPM intelligent motor protection relay

KPM60 Digital motor protection relay

The KPM60 multi-function digital motor protection relay is designed for low-voltage three-phase asynchronous motors rated between 380V and 660V, with current ratings from 5A to 500A. This multifunctional motor protective relay offers comprehensive protection, control, measurement, and fault management capabilities for motors, significantly simplifying the secondary control protection circuit. By providing advanced protection and control measures, the KPM60 enables network integration of motors through various communication protocols.

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Feature of KE Series Single-Phase Motor Protection Relays

  • High accuracy and full electrical parameter measurement like UL-L, UL-N, I, F, PF, P, Q, S, active and reactive energy, etc.
  • Multifunctional protection functions like Overtime start-up, overload, stall, leakage protection, temperature protection, etc.
  • The data record for motor fault alarm and trip information
  • Modbus RTU or Profibus-DP Communication with 8 DI and 4 DO

 

Specification of KPM60 Digital motor protection relay

Working power source Operating Voltage AC85~265V/DC80~300V
Rated power ＜5VA
Input voltage Rated voltage 380V-660V
Frequency range 45~65Hz
Input current Rated current 5A，32A, 100A, 250A, 500A
Frequency range 45~65Hz
Input/Output Switch value input 8-way passive main line contact DI input, internal supply DC24V power source
Relay output 4-way DO output，Contact capacity 250VAC/5A，30VDC/5A
Analog output Output range 4~20mA，Programmable
Temperature input Measure range 0℃~100℃
Measurement accuracy Current ±1.0%(10%Ie~120%Ie)
Leakage current ±1.0%(5%Ise~100%Ise)
Voltage ±0.5%(20%Ue~150%Ue)
Frequency ±0.02Hz(45Hz~65Hz)
Power factor ±1.0%(-1~1)
Energy ±2.0%
Power ±2.0%
Communication Communication interface RS485，Photoelectric isolation interface
Communication protocol Modbus-RTU，1200~38400bps
Profibus-DP，9600~12Mbps
Electrical insulation Power frequency withstand voltage AC2kV/min~1mA Input-output-power source （GB/T 13729）
Insulation resistance ＞50MΩ                            （GB/T 13729）
Impact voltage 5kV（Peak），1.2/50us    （GB/T 13729）
Working environment Operating temperature -25℃ ~ +70℃
Relative humidity 5%~95% No condensation
Storage temperature -30℃ ~ +75℃
Electromagnetic Compatibility Surge (impact) immunity GB/T 17626.5-2008，Level3
Electrical fast burst immunity GB/T 17626.4-2008，Level3
 Electrostatic discharge immunity GB/T 17626.2-2006，Level3
Power frequency magnetic field immunity GB/T 17626.8-2006，Level3

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