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The RZA microprocessor devices on PC83-A2 curren – RZA Sistemz, OOO | all.biz
Buy The RZA microprocessor devices on PC83-A2 curren
The RZA microprocessor devices on PC83-A2 curren

The RZA microprocessor devices on PC83-A2 curren

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Ukraine, Kiev
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The RZA microprocessor devices on PC83-A2 current

Appointment: Device of the maximum current protection. Has 2 groups of settings, 8 discrete entrances and 8 output relays. Main functions: - three-phase four-stage MTZ with dependent and independent characteristics of operation and blocking from BNT; - acceleration of MTZ at turning on of the switch;
- the two-level not directed protection against the short circuits on the earth (SCE) on current of zero sequence of I0;
- two-level protection against asymmetrical loading or break of phases on current of the return sequence; - twofold automatic repeated inclusion (ARI); - external blocking of protection of input and SV from RZA devices of the departing accessions (LZSh); - reservation of shutdown of the switch of accession (UROV function); - measurement and indication of currents of phases and current of ZNZ; - the registrar with magazines of accidents and events; - a digital oscillograph with storing of parameters of accidents by duration to 15s, including a preemergency state; - local, from the forward panel of the device, or remote turning on and shutdown of the switch; - RS485, USB interfaces; - autodiagnostics.

The device was not exposed to constructive modernization. Its modernized analogs are PC83-A2.0 and RS 83-A2M.


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