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How to Handle In-Vacuum and Cryo Stepper Motors
10 Technical Data
10.1 Vacuum Classes
High vacuum HV
Ultra high vacu-
um
UHV-S (solid
lubrication)
UHV-G (grease
lubrication)
Ultra high vacu-
um Cryo
UHV-C1
UHV-C2
10.2 Design Voltage
Motor Size
19 ... 57
80 ... 126
10.3 Test Voltage
Motor Size
19 ... 42
52 ... 126
–20 ...+200
-7
10
–20 ... +200
-11
10
–20 ... +300
-11
10
–200 ... +40
-11
10
–270 ... +40
-11
10
Design Voltage
70 V
DC
120 V
DC
Housing –
Motor Winding
480 V
1 min
AC
1200 V
1 min
AC
–
2
10
6
10
yes
6
10
yes
6
10
yes
6
10
yes
Remarks
Operation with SELV type supplies
Operation with safe/double separation to
mains
Housing –
Temperature Sensor
480 V
1 min
AC
1200 V
1 min
AC
26
TML
CVCM
[%]
[%]
–
option
yes
< 1
< 0.1
yes
< 1
< 0.1
–
< 1
< 0.1
–
< 1
< 0.1
Motor Winding –
Temperature Sensor
480 V
1 min
AC
1200 V
1 min
AC
MA 1203-A010 EN
–
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