Operating Instructions
Precision Multiple Limit Switches GS...C1806 12 mm
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 device.
The original EU declaration of conformity can also
be found at: www.euchner.com
Service
If servicing is required, please contact:
EUCHNER GmbH + Co. KG
Kohlhammerstraße 16
70771 Leinfelden-Echterdingen
Service telephone:
+49 711 7597-500
E-mail:
support@euchner.de
Internet:
www.euchner.com
Technical data
Parameter
Housing material
Die-cast aluminum, anodized
Plunger material
Stainless steel
Degree of protection
IP67
Mech. operating cycles
ES502E/ES508E
Switching frequency
ES502E
ES508E
Ambient temperature
-5 ... +80 °C
Installation orientation
Any
Approach speed, max.
Plunger
Chisel D
40 m/min
Roller R (slide bearing) 80 m/min
Roller B (ball bearing)
120 m/min
Dome W/ball K
10 m/min
Approach speed, min.
0.01 m/min
Actuating force
ES502E
with switching element
ES508E
Switching element
ES502E
1 NO + 1 NC contact
ES508E
1 pos. driven contact
Switching principle
ES502E
Snap-action switching contact
ES508E
Slow-action switching contact
Hysteresis
ES502E
Contact material
ES502E/ES508E
Silver alloy, gold flashed
Connection
Screw terminals
Tightening torque of screw terminal
ES502E/ES508E
0.6 Nm
(cross-head screw)
Conductor cross-section (rigid/
0.34 ... 1.5 mm
flexible)
Rated insulation voltage
U
= 250 V
i
Rated impulse withstand voltage
ES508E
U
= 4 kV
imp
ES502E
U
= 2.5 kV
imp
Utilization category of switching element acc. to IEC 60947-5-1
ES502E
AC-12
250 V
ES502E/ES508E
AC-15
230 V
DC-13
24 V
Switching current, min.,
at DC 24 V
ES508E
at DC 12 V
ES502E
Convent. thermal current I
th
ES502E
8 A
ES508E
10 A
Short circuit protection acc. to IEC 60269-1 (control circuit fuse)
ES502E
8 A gG
ES508E
10 A gG
Conditional short-circuit current
100 A
Reliability values acc. to EN ISO 13849-1
for switching elements
ES508E
B
2 x 10
7
10D
5
ES502E
Value
30x10
6
ES508E
300 min
-1
50 min
-1
Illustration: switching element not actuated
Fig. 1: Switching elements and terminal assignment
≥ 20 N
≥ 15 N
0.8 mm
2
8 A
6 A
6 A
10 mA
10 mA
22
21
14
13
22
21