Siemens SIRIUS 3SK1

Electrical endurance of 3SK1 safety relays for the version 3SK1121-.CB4.
Utilization category Ue (V) Ie (A) B10
d
value
(operating cycles)
Electrical endurance
of safety-related outputs
(typical)
AC-1 240 5 500,000 100,000
4 600,000 100,000
2 1,000,000 170,000
AC‑15 240 3 400,000 70,000
0.1 10,000,000 1,500,000
DC‑13 24 3 450,000 110,000
1 2,000,000 480,000
DC‑1 24 5 500,000
Electrical endurance of 3SK1 safety relays for the following device versions
3SK1213-.AB40
3SK1213-.AJ20
3SK1213-.AL20
Utilization category Ue (V) Ie (A) B10
d
value
(operating cycles)
Electrical endurance
of safety-related outputs
(typical)
AC-1 240 10 1,370,000 1,000,000
AC‑15 240 10 1,370,000 1,000,000
DC‑13 24 6 1,370,000 1,000,000
Electrical endurance of 3RQ1 coupling relays for the following device versions
3RQ1.00-.E.00
3RQ1000-.G.00
Utilization category Ue (V) Ie (A) B10
d
value
(operating cycles)
Electrical endurance
of safety-related outputs
(typical)
AC-1 230 5 340,000 170,000
AC‑15 230 2 85,000 85,000
230 1 220,000 220,000
DC‑13 24 2 120,000 13,000
DC‑1 24 5 1,560,000 780,000
Technical data
12.2 Electrical endurance
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 193