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Intelligent Digital Motor Protection Relays
Intelligent Digital Motor Protection Relays
CECO Electronics Pvt Ltd offers a wide range of Intelligent digital motor protection relays
- Definite/Inverse time option and various protection methods. Operating time displayed for each model. Separated display part using cables. Storage of failure causes. MODBUS communication, 4-20mA DC output.
- Integrated digital motor protection relay based MCU(Microprocessor Control Unit): Real time processing and high precision are implemented.
- Applicable to invertor circuits: It may be applied to the secondary inverter control circuit with its outstanding resistance to harmonic noise. Permissible frequency range is 10-200Hz. when the percentage of harmonic is more than 30%, a harmonic filter is installed. (However the ground fault protection function should be switched off).
- Function to store the cause(s) of failure/fault: Up to 5 motor failure events may be saved in the system, so that the failure history can be easily identified.
- Up to 5 motor failure events may be saved in the system, so that the failure history can be easily identified: The display part is separated and attached to the front panel, so that information on current/operating time and setup can be viewed without taking out the unit. With the separated display, motor protection can be performed.
- Communication Function: General-purpose RS485/MODBUS communication mode is offered for various system and communication network configurations. Models with analog current signal (4-20mA DC) output are compatible with systems that uses the existing TD (Transducer).
- A wide range of reset functions: Manual/Automatic/Electrical reset functions are provided for user convenience.
- Date information display: When a failure occurs, the date and time of failure
- occurrence are saved in the system to accurately identify the date of motor failure.
- Password setting: When changing the set values, a password must be inserted.
- Total operating time and operating time setting: When the predefined operating time has
- elapsed, related information is displayed so that operators may replace the motor bearing and check the refueling cycle.
- Terminal/Penetrated types are shared for application in various installation environments: Terminal blocks are detachable, which makes them applied to various installation environments.
- Reliability: Thermal inverse time. inverse time and definite time modes: According to user's needs, the motor can be protected in the inverse time mode or definite time mode.
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