M-GS20/40CO Zero-crossing

with AMMETER DIAGNOSTICS

Description

Zero-crossing static relay with built-in ammeter diagnostics.

Suitable to logically control single and three-phase resistive loads composed 

of several resistances (max no. 8 **).

This relay performs a continuous verification of the delivered current every 

time it receives a control signal, and therefore is able to indicate the partial 

fault of the load in real time. For current measurement, they are provided 

with a 20 and 50 Amp insulated transducer. Using an on-board dip-switch you 

can automatically set the maximum current threshold, a value that will be saved 

in the internal memory. If the device measures a value lower than 1/8** of the load,

it issues an alarm that remains stored up to the reset of its cause.

DOWNLOAD