208 HEIDENHAIN Technical Manual MANUALplus 620
With a power supply of 400 V, the inverter voltage U
Z
is 565 V–, and with a
power supply of 480 V it is 678 V–.
For information on the power connection, refer to the Technical Manual for
"Inverter Systems and Motors."
Connecting ter-
minals
UEC 111, UEC 112
Operation on 400 V~
L1 400 V~ ± 10 %
50 Hz to 60 Hz
L2
L3
Cable / single conductor (HT wire):
6 mm
2
(AWG 10)
Single conductor H07 V2-K:
4 mm
2
(AWG 10)
Line fuse:
25 A (gR) Siemens Sitor type
Grounding terminal:
≥ 10 mm
2
(AWG 6)
Tightening torque for connecting terminals:
0.7 Nm (6.5 to 7 psi)
Operation on 480 V~
L1 480 V~ ± 10 %
50 Hz to 60 Hz
L2
L3
Cable / single conductor (HT wire):
6 mm
2
(AWG 10)
Single conductor H07 V2-K:
4 mm
2
(AWG 10)
Line fuse:
25 A (gR) Siemens Sitor type
Grounding terminal:
≥ 10 mm
2
(AWG 6)
Tightening torque for connecting terminals:
0.7 Nm (6.5 to 7 psi)
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