EUCHNER STA EX Series, Operating Instructions Manual

Page: 8 / 10

8
Operating Instructions
Safety Switch STA…EX
Exclusion of liability and warranty
In case of failure to comply with the conditions for
correct use stated above, or if the safety regula‑
tions are not followed, or if any servicing is not
performed as required, liability will be excluded and
the warranty void.
EU declaration of conformity
The declaration of conformity is part of the operating
instructions, and it is included as a separate sheet
with the unit.
The original EU declaration of conformity can also
be found at: www.euchner.com
Service
If service support is required, please contact:
EUCHNER GmbH + Co. KG
Kohlhammerstraße 16
70771 Leinfelden‑Echterdingen, Germany
Service telephone :
+49 711 7597‑500
Fax :
+49 711 753316
E-mail :
support@euchner.de
Internet :
www.euchner.com
Technical data
Parameter Value
Housing material Die‑cast alloy
Degree of protection
acc. to IEC 60529
IP 67
Mech. life 1x10 6 operating cycles
Ambient temperature ‑20 … +75 °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 Cable entry M20x1.5 (included)
Clamping range
for the cable gland
6.5 … 12 mm
Conductor cross‑section
(flexible/rigid)
0.34 … 1.5 mm
2
Rated insulation voltage U
i
= 50 V
Rated impulse withstand
voltage
U
imp
= 2.5 kV
Conditional short‑circuit
current
100 A
Switching voltage, min.,
at 10 mA
12 V
Utilization category
acc. to IEC 60947‑5‑1
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
Conventional thermal current I
th
4 A
Solenoid operating voltage/solenoid power consumption
STA…024
AC/DC 24 V (+10%/‑15%) 8 W
Duty cycle 100%
Locking force F
max
Straight actuator
Bent actuator
3,000 N
1,500 N
Locking force F
Zh
acc. to EN ISO 14119
(F
Zh
=
F
max
) = 2,300 N
1.3
Reliability values acc. to EN ISO 13849-1
B
10d
1.2 x 10
7
ATEX rating
II3G Ex nR IIB T4 Gc X
II3D Ex tc IIIC T110°C Dc X