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Operating Instructions
Safety Switch STP-BI...
Service
If servicing is required, please contact:
EUCHNER GmbH + Co. KG
Kohlhammerstraße 16
70771 Leinfelden‑Echterdingen
Germany
Service telephone:
+49 711 7597‑500
E-mail:
support@euchner.de
Internet:
www.euchner.com
Technical data
Parameter
Value
Housing material
Reinforced thermoplastic
Degree of protection
IP65
acc. to IEC 60529
Mechanical life
1 x 10
operating cycles
6
Ambient temperature
‑20 ... +55 °C
Degree of contamination
3 (industrial)
(external, acc. to EN 60947‑1)
Installation orientation
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
Plug connector SR11, 11‑pin+PE
(PE not connected)
Rated insulation voltage
U
= 50 V
i
Rated impulse withstand
U
= 1.5 kV
imp
voltage
Conditional short‑circuit
100 A
current
Switching voltage, min.,
12 V
at 10 mA
Utilization category
AC‑15 4 A 50 V /
acc. to EN 60947‑5‑1
DC‑13 4 A 24 V
Switching current, min.,
1 mA
at 24 V
Short circuit protection
(control circuit fuse)
4 A gG
acc. to IEC 60269‑1
Convent. thermal current I
4 A
th
Operating voltage
DC
24 V (+10%/‑15%)
Control voltage
DC
24 V (+10%/‑15%)
Solenoid power consumption
8 W
Duty cycle
100%
Locking force F
max
Straight actuator with bush
F
= 2,500 N
S
Bent actuator with bush
F
= 1,500 N
S
F
Locking force F
max
Zh
(F
=
Zh
acc. to EN ISO 14119
1.3
Switch with increased retention force STP.B..., STP.C...
Actuating force at 20 °C
45 N
Mechanical life, retention
1 x 10
operating cycles
5
Reliability values acc. to EN ISO 13849-1
Monitoring of guard locking and the guard position
B
10D
3 x 10
6
at DC‑13 100 mA / 24 V
Control of guard locking
PFH
4.23 x 10
‑6
D
Category
B
20
Performance Level PL
b
35,50
Type
STP3‑BI‑2131..
STP3‑BI‑4121..
STP3‑BI‑4141..
Figure 2: Switching elements and switching functions
) = 2,000 N
Figure 3: Minimum door radii
Door closed and
Door closed and
locked
not locked
E1
E1
E2
E2
Hinged actuator S-OU-SN
20
35,50
Hinged actuator S-LR-SN
20
35,50
Actuator
Actuator S‑G...
Actuator S‑W...
Hinged actuator S‑OU...
Hinged actuator S‑LR...
7
Door
open
Terminal assignment of plug
connector SR11
E1
E2
Pin 9
0 V
Pin 10
Control voltage + 24 V
Pin 11
Operating voltage + 24 V
9
10 11
Ordinal numbers
of switching
contacts
Hinged actuator S-OU-LN
for insertion funnel
20
35,50
Hinged actuator S-LR-LN
for insertion funnel
Door radius, min.
[mm]
300
300
200
200
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