GB - 12
Installation and Connection
3.3 Connection of power circuit
3.3.1 Wiring instructions
Absolutely observe the connecting voltage of the KEB COMBIVERT. A 230V-
unit will be immediately destructed on a 400V-power supply.
Never exchange the mains and motor cables.
Some countries demand that the PE-terminal is directly connected to the
terminal box (not over the mounting plate).
3.3.2 Mains connection
Mains connection 230 V class 1-phase Mains connection 400 V class 3-phase
L1
PE
N
W
L1
N
X1A
N L1
L1
N
L1
L2
L3
L3
L2
L1
PE
X1A
L1
L1
L2
L2
L3
L3
Terminal strip X1A Terminal strip X1A
Input voltage 1 AC 180…264 ±0 V Input voltage 1 AC 305…528 ±0 V
Mains connection 230 V class 3-phase
L1
L2
L3
L3
L2
L1
PE
X1A
L1
L1
N/L2 L3
L3
N/L2
Terminal strip X1A
Input voltage 3 AC 180…264 ±0 V
Protection
Protection (see „Technical data“) or power protective switch
1-phase inverter RCD type A or type B
3-phase inverter RCMA with separator or RCD type B
Connection cross-section 1.5…4 mm² (AWG 16-11)
Tightening torque 0.6 Nm (5 lb inch)
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