Thermal specifications, Mechanical specifications – Motion Actuator User Manual
Page 26

THERMAL SPECIFICATIONS
MOTOR TYPE
3804
3806
3808
3810
units
Maximum phase temperature
100
100
100
100
o
C
Thermal resistance R
thphase-housing
0.23
0.16
0.13
0.11
o
C/W
With 25 x 25 x 2.5 cm heatsink plate
Power dissipation @ 25
o
C ambient
89.3
110.3
127.1
144.2
Watt
Thermal resistance R
thhousing-ambient
0.61
0.52
0.46
0.41
o
C/W
Without heatsink plate
Power dissipation @ 25
o
C ambient
68.2
89.3
107.0
123.0
Watt
Thermal resistance R
thhousing-ambient
0.87
0.68
0.57
0.50
o
C/W
Thermal time constant
1677
1798
1924
2056
s
MECHANICAL SPECIFICATIONS
MOTOR TYPE
XTA 3804
XTA 3806
XTA 3808
XTA 3810
XTB 3804
XTB 3806
XTB 3808
XTB 3810
units
Maximum stroke
318
318
318
318
1362
1291
1219
1148
mm
Forcer mass
2.75
3.75
4.75
5.75
2.55
3.55
4.55
5.55
kg
Forcer mass
(including bearings)
-
-
-
-
3.05
4.05
5.05
6.05
kg
Thrust rod
mass/metre
8.3
8.3
8.3
8.3
8.3
8.3
8.3
8.3
kg/m
Page 20
Appendices
ServoTube 38 Installation Guide