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How to connect CT
(1) Power off the measured devices.
(2) Install applicable CT.
(3) Remove terminal block of KW9M.
(4) Connect CT to the terminal block.
(5) Insert terminal stand surely.
(6) After confirm all wiring correct, turn on the power of the load and KW9M.
(Connection example)
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How to set the parameters for CT
(1) Select CT type (CT-T) according to the using CT.
(Select ‘5A’ if secondary side current of using CT is 5A. Select ‘1A’ if secondary side current
of using CT is 1A.)
(2) Set the primary current of measured CT at primary side current of CT setting mode (CT-1).
< ex > If the measured CT is 400A/1A or 400A/5A, set to”400”.
(3) Connect CT according to the CT direction, power side (K) to load side (L).
Load
Secondary current
Breaker
Ammeter etc.
Power supply
CT with 2nd current 1A/5A
k
l
K
L
Without Ammeter
* Connect CT wiring and terminal block surely.
It will cause CT breakdown.
* Never remove the terminal block under applying current to
load. It will cause electric shock or breakdown CT.
Primary side current
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