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Motor Protection Relay Type : RHO 3


RHO 3 is used for protection and management of medium and large motors and driven equipment
It is Ideally suited for pumps, conveyors, compressors, fans etc.

Standard Features
Thermal overload protection (49)Circuit breaker failure protection (50 BF)
Communication protocol compatible with IEC 60870-5-103 or MODBUS RTUThermal overload protection (49)
CT SupervisionEarth fault Protection (50N)
Fiber-Optic/ RS485 Communication portLCD Display
Limitation of number of startsFiber-Optic/ RS485 Communication port
Optional 8 thermistor or Resistance Temperature Detector (RTD) InputsPhase unbalance protection (46)
Restart inhibit protectionShort Circuit Protection (50)
Stall and Locked Rotor Protection (48)Upto 9 programmable digital inputs & upto 7 programmable output contacts
Undercurrent detection (37)
Please ask for a quote     info@erlmint.com

Multi-function Relays.pdf

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