Siemens SIRIUS ACT 3SU1 - Page 453

Technical specifications
14.14 Contact modules
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010
453
Type
3SU1400-.....-1
3SU1400-.....-3
3SU1400-.....-5
Contact reliability
One contact failure per 100 million switching operations (17 V, 5 mA),
one contact failure per 10 million switching operations (5 V, 1 mA)
Mechanical durability (operating cycles)
typical
10 000 000
Switching frequency, maximum
1/h
3600
Type of short-circuit protection / auxiliary
switches / fuse link (weld-free protection at
short-circuit current Ik of ≤ 1kA)
gG / Dz 10 A, quick-response / Dz 10 A
Type of short-circuit protection / auxiliary
switches / miniature circuit breakers C
characteristic (short-circuit current Ik of ≤
400A)
A 10
Vibration resistance
according to IEC 60068-2-6
10 ... 500 Hz: 5g
Shock resistance
according to IEC 60068-2-27
11 ms, 50g, half-sine
Climate class in operation
according to EN 60721
3K6
1)
, 3C3, 3S2, 3M6
Ambient temperature
• during operation
°C -25 … +70
• during storage
°C -40 … +80
Degree of protection
IP
• of the enclosure
40
• of the terminal
20
Type of electrical connection
Screw terminals Spring-loaded
terminals
Socket terminals (THT)
Stripped lengths
7 mm 8 mm ---
Type of connectable conductor cross-
sections
• For auxiliary contacts
– Solid without end sleeve
– Solid with end sleeve
– Finely stranded without end sleeve
– Finely stranded with end sleeve
2 x (1.0 ... 1.5) mm²
2 x (0.5 ... 0.75) mm²
2 x (1.0 ... 1.5) mm²
2 x (0.5 ... 1.5) mm²
2 x (0.25 ... 1.5) mm²
---
2 x (0.25 ... 1.5) mm²
2 x (0.25 ... 0.75) mm²
0.8 mm x 0.8 mm x
4 mm
---
---
---
• For AWG cables for auxiliary contacts
2 x 18 to 14 2 x 24 to 16 ---
Tightening torque
• For screw terminals
Nm 0.8 ... 0.9 --- ---
1)
No condensation in operation permitted in atmospheres with a relative air humidity of 10 to 95 %