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1MAC457436-IB B
5.4
5.4.1
620 series ANSI
Installation Manual
Use either stripped wire screwed between a washer cup and the protective ground
screw or a ring-lug.
Select a suitable ring-lug to fit under the M4 screw.
3.
Tighten the protective ground screw.
4.
Support the ground lead so that it cannot break or weaken.
Be aware of the mechanical, chemical and electrochemical environment.
Connecting analog signals
A connection diagram is needed to connect the analog signals.
When using the ring-lug type for CT/VT terminals, follow these steps.
1.
Remove the fixing screw.
2.
Slide the screw through the terminal lug and screw it back on.
Connecting current and voltage inputs
Connect the wires from the CTs/VTs to the correct device according to the phase order and
the connection diagram. Each terminal for CTs/VTs is dimensioned for one 10 Gauge wire
or for two wires of maximum 12 Gauge.
See the specific card variants from the application manual.
Section 5
Connecting
39
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