Operating Instructions
Safety Switch STM…
8
Subject to technical modifications; no r
esponsibility is accepted for the accuracy of this information.
© EUCHNER GmbH + Co. KG
096302‑09‑01/17 (translation of the original operating instructions)
Figure 5: Dimension drawing STM… without insertion funnel and STM… with insertion funnel
Necessary minimum permissible overtravel
Approach direction
Actuator S
standard
Actuator L
insertion funnel
Horizontal (h)
24.5 + 5
28.5 + 5
Vertical (v)
24.5 + 5
28.5 + 5
V
h
31
2,5
Ø4,7
79
15,5
22
21
4
36
42
Ø5,2
Ø4,2
96
M=0,5 Nm
A
9
15,5
20,5
4
10,5
B
37,5
31,5
0,5 B
0,5 A
Insertion depth
Screw M5 for fixed
positioning for
safety applications
Inser
tion depth
Actuator S
standard
Thread depending
on design:
‑ M20 x 1.5
‑ NPT ½"
M = 0.6 Nm
Locking screw (M = 0.5 Nm)
Protection against twisting
(screw M4)
31
4
46
36
A
9
15,4
4
20,5
B
h
V
0,5 B
0,5 A
Key to symbols
/
Guard locking ready for operation
/
Guard locking released
Actuating head with insertion funnel
Auxiliary release
Locking screw
Auxiliary release with triangular key
(2 triangular keys included)
