Page 71 - Wago_Rail-MountedTerminalBlockSystems_Volume1_2015_US.pdf

TOPJOB S
®
Implementing a Current and Voltage Transformer Circuit 1
Disconnect link in operating position I 69

Conductor entry Jumper slot for 2007-844x circuit jumper
Test socket 1
2007-844x circuit jumper
Jumper slot for 282-43x jumper 1

2

Terminal blocks required: In operating position, the measuring device is connected to the transformer, the circuit jumper is inserted and the discon-
2 x disconnect/test terminal block 2007-8821 nect link is in position I.
1 x circuit jumper, orange 2007-8442
optional with locking covers or interlocking links

Disconnect link in shorting position II
Conductor entry Jumper slot for 2007-844x circuit jumper
Test socket
2007-844x circuit jumper
Jumper slot for 282-43x jumper 1

2

The transformer is not disconnected from the measuring device yet, the shorting path is activated by moving the discon-
nect link into shorting position II and the transformer is safely shorted.

Measuring, disconnect link in measuring position III / test current measurement

Conductor entry Jumper slot for 2007-844x circuit jumper
Test socket
Jumper slot for 282-43x jumper 2007-844x circuit jumper

1
~

2

The measuring device/relay is electrically disconnected from the transformer. If required, an external voltage can be
applied to the measuring device/relay via the test socket.

Measurement testing via both test sockets
Conductor entry Jumper slot for 2007-844x circuit jumper
Test socket
Jumper slot for 282-43x jumper 1
2007-844x circuit jumper

A 2
Terminal block 1: Disconnect link in operating position I Measurement testing: First insert the reference current meter (A) into the test socket, then move the disconnect link into
Terminal block 2: Disconnect link in measuring position III measurement position III (test current measurement).

fine-stranded, fine-stranded,
fine-stranded, with ferrule with pin terminal
tip-bonded (gastight crimped) (gastight crimped)