Technical Data - EUCHNER STA Serie Manual De Instrucciones

Operating Instructions
Safety Switch STA...

Technical data

Parameter Value
Housing material Die‑cast alloy
Degree of protection
acc. to IEC 60529
Cable entry IP 67
Plug connector IP 65
Mechanical life 1x10 operating cycles
6
Ambient temperature
STA.../STA...SR11 ‑20 ... +80 °C
STA...RC18 ‑20 ... +70 °C
Degree of contamination
3 (industrial)
(external, acc. to EN 60947‑1)
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... Cable entry M20x1.5
STA...SR11 Plug connector SR11, 11‑pin+PE
STA...RC18 Plug connector RC18, 18‑pin+PE
Conductor cross‑section rigid/
0.34 ... 1.5 mm
flexible
Operating voltage for optional
L024 24 V
LED indicator
Rated insulation voltage
STA... U = 250 V
i
STA...SR11, STA...RC18 U = 50 V
i
Rated impulse withstand voltage
STA... U = 2.5 kV
imp
STA...SR11, STA...RC18 U = 1.5 kV
imp
Conditional short‑circuit
100 A
current
Switching voltage, min.,
12 V
at 10 mA
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.,
1 mA
at 24 V
Short circuit protection
(control circuit fuse) 4 A gG
acc. to IEC 60269‑1
Conventional thermal current
4 A
I
th
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 F = 3,000 N
S
Bent actuator with bush F = 1,500 N
S
F
Locking force F
max
Zh
(F = ) = 2,300 N
Zh
acc. to EN ISO 14119 1.3
Switch with increased retention force STA.B..., STA.C...
Actuating force at 20 °C 45 N
Mechanical life, retention 1 x 10 operating cycles
5
Limitations at ambient temperature +70 ... +80 °C
Utilization category AC‑15 2 A 50 V /
STA...SR11
DC‑13 2 A 24 V
Conventional thermal current
2 A
I
th
Short circuit protection 2 A gG
Reliability values according to EN ISO 13849-1
B 11.5 x 10
6
10d
2
8