5
Connections
Inputs for phase current
Terminal
Function
X1-1
I
L1
X1-2
I
L2
X1-3
I
L2
X1-7
Common ground for phase currents
Cable's shield
Auxiliary supply voltage 24 V dc
Terminal
Function
X1-17
+24 Vdc
X1-18
GND, internally connected to X1-7
Protective earth
Terminal
Function
Protective earth terminal
Remote reset input BS
The fault indicator can be externally reset via the control input
Terminal
Function
X1-12
Input+ 18…30 Vdc, 10 mA floating
X1-13
Input-
Output relays
Terminal
Function
X1-8
For overcurrent, closing contact
X1-9
For residual current, closing contact
X1-10
For unbalance, closing contact
X1-11
Common
Internal device fault signal
Terminal
Function
X1-6
Internal device fault. At an internal fault the voltage level drops from 5 V to
below 2 V
X1-18
GND, internally connected to X1-7