EUCHNER STM Serie Manual De Instrucciones página 8

Operating Instructions
Safety Switch STM...
31
A
21
22
Screw M5 for fixed
p o s i t i o n i n g f o r
safety applications
79
M=0,5 Nm
Protection against twisting
M = 0.6 Nm
20,5
B
Actuator S
standard
0,5
Figure 5: Dimension drawing STM... without insertion funnel and STM... with insertion funnel
Necessary minimum travel + permissible overtravel
Approach direction
Horizontal (h)
Vertical (v)
Ø4,2
h
31,5
37,5
Auxiliary release
(screw M4)
Thread depending
on design:
‑ M20 x 1.5
B
‑ NPT ½"
Auxiliary release with triangular key
(2 triangular keys included)
Actuator S Actuator L
standard insertion funnel
24.5 + 5 28.5 + 5
24.5 + 5 28.5 + 5
Insertion depth
A
0,5 A
Locking screw
Actuating head with insertion funnel
Locking screw (M = 0.5 Nm)
8
31
h
20,5
B
15,4
0,5 B
Key to symbols
Guard locking ready for operation
/
Guard locking released
/
0,5 A