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