analogue panelmeter hourmeters transducer

earth leakage relay 

MRCD-10B TYPE B: Monitoring relay for AC / DC and pulsating DC currents

3 DIN modules | LCD display 128x128 pixels | single-phase or three-phase network | Frequencies 0 .... 1000Hz | 8 settings 0.03 / 0.1 / 0.3 / 0.5 / 1/3/5 and 10A | RMS measurement | time delay: 0.1 / 0.2 / 0.3 / 0.4 / 0.5 / 0.75 / 1.5 and 10s possible at 7 settings, whereby the setting 0.03A responds immediately when it is reached.

2 relay outputs 230V - 10A AC1, freely programmable e.g. as a pre-alarm, special toroidal core current transformer TORB with a diameter of 35 to 210mm for type B relays



min. and max. relays for current, voltage and frequency

The functions of 9 different instruments are combined in a single instrument:

Monitoring relay for undervoltage | Monitoring relay for overvoltage | Monitoring relay for undercurrent | Monitoring relay for overcurrent | Monitoring relay for underfrequency | Monitoring relay for overfrequency | Display TRMS voltmeter up to 500V | Display TRMS ammeter directly up to 10 A, or via current transformer… / 5A | Frequency meter display up to 99.9 Hz

Even if the instrument only has one output relay, the voltage, current and frequency values are independent of one another and can be used in combination with one another if necessary. If it is not important to electrically differentiate which of the limit values has triggered, you can program each limit value independently of the other values as a minimum or maximum limit value. By using the limit values 'in combination', you can activate the relay output together, depending on which limit value is exceeded or undershot first.






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