Page 23 - Essailec Test Blocks

3. Test phase: Make & CT short-circuiting

1

1

COR-C-R5-6.6
The plug is equipped with built in short circuited contacts on current trans-
formers side (1-2-3-4)
3
During plug insertion, plug pins make contact with the socket pins (1), and
simultaneously the current transformer is short-circuited.

3

Test phase: 4. Test phase: Break and short-circuit
Make (injection or equipment replacement)

Injection
5
4 4 3

Test phase:
Break

4.1 When the plug is fully inserted in the socket, 4.2 Current injection can be done on the
inner mobile contacts (3) are opened by equipment (5).
plastic lead (4). The current transformer is
automatically short-circuited and circuits are
1SNC169012S0201
opened.

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