Connection Of Dedicated Zct; Connection Of Split Core Type Ct For Earth Wire Only - Omron KE1 User Manual

● Connection of dedicated ZCT
Single-phase 2-wire
Loading side
L
(K)
N
Product
To ZCT input
3-phase 3-wire
R
Loading side
S
(K)
T
Product
To ZCT input
* When installing the dedicated ZCT, set K and L at the power supply side and load side,
respectively.
● Connection of split core type CT for earth wire only
Single-phase 3-wire
R
Loading side
N
(K)
S
ZCT
Product
To ZCT input
3-phase 4-wire
R
Loading side
S
(K)
T
N
ZCT
Product
To ZCT input
* Install the split core type CT for earth wire only so that K comes on the power supply side and L on
the GND side.
Load side
Loading side
(L)
ZCT
Load side
(L)
ZCT
Load side
(L)
Load side
(L)
2.3 Installation of dedicated CT, ZCT
Single-phase 3-wire
R
N
(K)
S
ZCT
Product
To ZCT input
3-phase 4-wire
R
N
Loading side
S
(K)
T
Product
To ZCT input
3-phase 3-wire
R
Loading side
S
(K)
T
ZCT
Product
To ZCT input
Load side
(L)
Load side
(L)
ZCT
Load side
(L)
2-15