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2 Product Specification
Linear actuators MC250 • MC253 • MC500 • MC503
6
Version 2.1 - March 2011
Operating Manual
2 Product Specification
The linear actuator controls a step motor with the aid of a microcontroller. The
rotational motion of the step motor is transformed into a linear motion via a
planetary gearbox and a leadscrew with spindle nut.
2.1
Components
1
Actuator casing
2
Cross head
3
Coupling piece
*
4
Union nut
5
Spindle nut
8
Position display
10
Protective tube
11
Spacer sleeve
13
Bridge
16
Gear casing
33
Sheeting
34
Knob
36
Hand wheel
47
Viewing window
*
This component is available as a spare part!
60
Guide bush
101
Engine/ motor
107
Terminal board for 24 V or 230 V
110
Main board
201
Cover for 24 V or 230 V
230
Cable inlet M20 × 1.5
231
Cable inlet M16 × 1.5
312
Safety disk
314
Blank flange
315
Bolt
452
Hexagonal nut M12
480
Type plate
481
Circuit diagram on cover
Diagram 1
Component drawings
107
34
33,
481
110
101
36
10
5
452
312
2
60
11
13
16
1
480
47
230; 231
201
8
4
314
315
3