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Appendix
October 2014
ISG1000
20
7.6
Mains Connections
Connection socket of ISG1000-400V
Allocation of the CEE socket
Pin name
Pin
designation
Wire colour
L1
Phase L1
Brown
L2
Phase L2
Black / grey
L3
Phase L3
Black
N
Neutral
Blue
PE
Ground
Green-yellow
The nominal voltages between the phases
are 3x400V (-10/+10%)
Measurement
between the pins
Voltage (VAC)
N
L1
PE
L1
230
N
L2
PE
L2
230
N
L3
PE
L3
230
L1
L2
400
L1
L3
400
L2
L3
400
Further hints:
Connecting the protected earth PE and connecting the neutral N is essential!
If an earth-leakage circuit breaker (GFI, GFCI) is used for the protection of the CEE-socket,
it must be 4-polar.