Connecting The Uv 130(D) Power Supply Unit; Power Supply - HEIDENHAIN TNC 410 M Technical Manual

6.4 Connecting the UV 130(D) Power Supply Unit

6.4.1 Power Supply

X31: Supply voltage
for U
Z
April 2007
Danger
Danger of electrical shock!
The power supply unit may be opened only by HEIDENHAIN service
engineers.
Do not engage or disengage any terminals while they are under power.
With a power supply of 400 V, the inverter voltage U
Connection:
Connecting
terminals
L1
L2
L3
Tightening torque
for connecting
terminals:
Note
IEC 61800-5-1 requires a non-detachable connection to the line power
supply.
Note
If the power supply is other than 400 V, an autotransformer is required. It
must comply at least with the connection specifications of the subsequent
power supply unit.
Connecting the UV 130(D) Power Supply Unit
Assignment
400 V~ ± 10%
50 Hz to 60 Hz
Cable / single conductor (HT wire):
Wire cross section: 16 mm
Line fuse:
63 A (gR) Siemens Sitor type
Grounding terminal:
2
≥ 10 mm
(AWG 6)
4 – 4.5 Nm (35 – 40 lbs/in)
is 565 V–.
Z
2
(AWG 5)
6 – 53