IMP – Electronic Motor Protection Relay

>, Variable Frequency Drives>IMP – Electronic Motor Protection Relay

IMP – Electronic Motor Protection Relay

IMP – Electronic Motor Protection Relay


  • The IMP series of Electronic Motor Protection Relays replaces old legacy thermal overload protection.
  • As a digital motor protection relay it’s highly reliable by implementing real-time data processing at high precision.
  • It protects motors with various functions such as phase loss, phase reverse, unbalanced, stall, lock, ground fault, short circuit protection (depending on the model).
  • It’s simple design and compactness allows it to be combined with other magnetic contactors on the same Din-rail.
  • Wide Range Motors between 0.125~100 Amp on one device
  • Operation time Thermal Inverse / Inverse / Definite
  • Tunnel Type Wiring
  • Output 4-20mA or RS485 Modbus RTU
  • Automatic/Manual Reset
  • Control 85~245V AC/DC or 24~36V AC/DC
  • Ground Fault setting between 30mA~25Amp
  • Compatible with Inverter Drives (Immune to harmonic noise)
  • Display of Current (3ph Ampere-Meter)
  • 7-Segment & Bar-Graph Display
  • Event (fault) Logging


  • Phase Unbalance, Reverse and Failure
  • Rotor Lock & Stall
  • Under & Over Load
  • Ground Fault
  • Instantaneous Protection
  • Automatic Recover
  • Current Meter Display
  • History Alarm List
  • Password Protection
  • User Defined Output Relay
  • 4-20mA Analogue Output & RS485 Modbus Communication


EMPR-IMP Catalogue (4.2MB)EMPR-IMP Catalogue (4.2MB)

EMPR-IMP Technical Data (0.2MB - 2.3MB)EMPR-IMP Technical Data (0.2MB – 2.3MB)

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