SIRIUS 3RT2 contactors/contactor assemblies 
  2.8 Technical data 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
281 
3RT2916-2BE01  3RT2916-2BK01  3RT2916-2BL01 Versions 
OFF-delay device 
Mechanical durability  Operating 
cycles 
30 million 
Electrical durability, approx.  Operating 
cycles 
> 1 million 
Switching frequency z max. (at T
u
 = 
60 °C) 
h
-1
  300 
Power loss P
v
max. approx.  W  0.4  0.5  1 
Surge suppression  With varistor, integrated 
Conductor cross-sections 
U
sp
 = coil voltage 
T
sp
 = coil temperature 
2)
 
1)
  Doubling the delay time can be achieved by doubling the capacitance. Commercially available 
capacitors which can be connected to terminals C+ and Z- 
can be used. 
2)
  See the table titled "Conductor cross-sections - 3RT201. contactors".