27, 59, 81, df/dt, dv/dt, 68, 86
 

The UFD34 three-phase digital 4-stage frequency relay with df/dt, dv/dt is an analog protection of the M line.

Click on the link to download the general documentation : Please contact our Sales Department

Click on the link to download the technical sheet : NC_UFD34

Click on the link to download the operation manual : OM_UFD34

Click on the link to access to technical documentation to attach at your order : DOCACOM_M

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