GEK-98834B
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The place where the relay is to be installed must be clean, dry, free of dust and
excessive vibration, and well illuminated to facilitate inspection and tests.
The relay must be mounted on a vertical surface. Figures 3 and 4 represent the
dimensions and drilling diagram of the TOV relays.
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The following example is for setting a relay with a range of 20/275 V. The setting
procedures are the same for models with other ranges.
This setting is performed through the upper switch block which has the following
inscription below it:
Vs = 20 + ( )
To set the selected trip voltage move the corresponding switches to the right (ON
position). The input value range is in 1V steps. If, for example, we would like the relay to
trip at 57 V, the switches would be situated as follows:
OFF ON
=== 1
=== 2
=== 4
=== 8
=== 16 Vs = 57 = 20 + ( )
=== 32 ( ) = 37 = 32+4+1
=== 64
=== 128
SW 1
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