
8
Operating Instructions
Safety Switches STA...
Technical data
Parameter
Value
Housing material
Anodized die-cast
Degree of protection
acc. to IEC 60529
Cable entry
Plug connector
IP67
IP65
Mechanical life
1x10
6
operating cycles
Ambient temperature
STA…/STA…SR11
STA…RC18
-20 … +80°C
-20 … +70°C
Degree of contamination
(external, acc. to EN 60947-1) 3 (industrial)
Installation position
Any
Approach speed, max.
20 m/min
Extraction force (not locked)
30 N
Retention force
20 N
Actuating force, max.
35 N
Actuation frequency
1,200/h
Switching principle
Slow-action switching contact
Contact material
Silver alloy, gold flashed
Connection
STA…
STA…SR11
STA…RC18
Cable entry M20x1.5
Plug connector SR11, 11-pin+PE
Plug connector RC18, 18-pin+PE
Conductor cross-section
rigid/flexible
0.34 … 1.5 mm
2
Operating voltage for
optional LED indicator
L024 24 V
Rated insulation voltage
STA…
STA…SR11, STA…RC18
U
i
= 250 V
U
i
= 50 V
Rated impulse withstand voltage
STA…
STA…SR11, STA…RC18
U
imp
= 2.5 kV
U
imp
= 1.5 kV
Conditional short-circuit
current
100 A
Switching voltage, min.,
at 10 mA
12 V
Utilization category acc. to IEC 60947-5-1
STA…
AC-15 4 A 230 V /
DC-13 4 A 24 V
STA…SR11, STA…RC18
AC-15 4 A 50 V /
DC-13 4 A 24 V
Switching current, min.,
at 24 V
1 mA
Short circuit protection
(control circuit fuse)
acc. to IEC 60269-1
4 A gG
Conv. thermal current I
th
4 A
Solenoid operating voltage/solenoid power consumption
STA…024
AC/DC 24 V (+10%/-15%) 8 W
STA…110
AC
110 V (+10%/-15%) 10 W
STA…230
AC
230 V (+10%/-15%) 11 W
Duty cycle
100%
Power consumption
8 W
Locking force F
max
Straight actuator with bush
Bent actuator with bush
F
S
= 3,000 N
F
S
= 1,500 N
Locking force F
Zh
acc. to EN ISO 14119
(F
Zh
=
F
max
) = 2,300 N
1.3
Switch with increased retention force STA.B…, STA.C…
Actuating force at 20 °C
45 N
Mechanical life, retention
1 x 10
5
operating cycles
Limitations at ambient tempe70 … +80 °C
Utilization category
STA…SR11
AC-15 2 A 50 V /
DC-13 2 A 24 V
Conv. thermal current I
th
2 A
Short circuit protection
2 A gG
Reliability values according to EN ISO 13849-1
B
10d
11.5 x 10
6