SIRIUS 3RF34 solid-state switching devices   
3.11 Technical data 
  SIRIUS Innovations 
360  System Manual, 01/2011, A8E56203870002-03 
3.11.12  Solid-state contactor - fused design with 3RB30 overload relay 
Fused design with directly mounted 3RB30 overload relay  
Table 3- 44  Main circuit 
 Order no.    3RF34 03-.BD.4  3RF34 05-.BD.4  3RF34 10-.BD.4 
Rated operational current 
I
AC-53
1)
 acc. to IEC 60947-4-2 
At 40 °C  A  3.8 (3.4)  5.4 (4.8)  7.4 
UL/CSA at 50 °C  A  3.5 (3.1)  5 (4.3)  6.8 
At 60 °C  A  3.2 (2.8)  4.6 (3.8)  6.2 
Power loss at 
I
AC-53
 at 40 °C  W  7 (6)  9 (8)  13 
Minimum load current  A  0.5  0.5  0.5 
Max. leakage current  mA  10  10  10 
Rated peak withstand current 
I
tsm
  A  600  600  600 
I
2
t
 value  A
2
s  1800  1800  1800 
1)
  The reduced values in brackets apply in the case of a directly mounted motor starter protector combined with side-by-
side mounting. 
2)
  To reduce the risk of an inter-phase short circuit due to overvoltage, we recommend connecting a 3TX7 462-3L type 
varistor between phases L1 and L3, as close as possible to the switching device. We recommend a design with 
semiconductor protection to provide short-circuit protection. 
3.11.13  Solid-state reversing contactor - main circuit, 2-phase controlled 
Solid-state reversing contactor, 2-phase controlled 
Table 3- 45  Main circuit 
 Order no.    3RF34..- BD.4 
Controlled phases    2-phase 
Rated operational voltage 
Operating range 
U
e
  V  40 ... 506 
Rated frequency  Hz  50 / 60 ± 10 % 
Rated insulation voltage 
U
s
  V  600 
Rated impulse withstand voltage 
U
imp
 kV 6 
Blocking voltage  V  1200 
Voltage gradient  V/μs  1000