SIRIUS 3RA28 function modules for mounting on 3RT2 contactors   
7.10 Technical data 
  SIRIUS Innovations 
676  System Manual, 01/2011, A8E56203870002-03 
Permissible ambient temperature     
  Operation 
°C  -25 to +60 
  Storage 
°C  -40 to +80 
Degree of protection to DIN EN 60947--1, Annex C  IP20 
Permissible mounting position  Any 
Shock resistance with half-sine acc. to 
IEC 60068-2-27 
g/ms  15 / 11 
Vibration resistance (IEC 60068-2-6)  Hz/mm  10-55 / 0.35 
Electromagnetic compatibility (EMC)  acc. to  IEC 61000-6-2/IEC 61000-6-4/IEC 61812-1 
Overvoltage protection  Varistor, integrated 
 
Table 7- 1  Conductor cross-sections with screw-type connection system 
Type 3RA2811, 3RA2812, 3RA2813, 3RA2814, 3RA2815 
Solid  mm²  1 x (0.5 to 4)/2 x (0.5 to 2.5) 
Finely stranded with end sleeve  mm²  1 x (0.5 to 2.5)/2 x (0.5 to 1.5) 
AWG cable, solid or stranded  AWG  2 x (20 to 14) 
Connection screw    M3 (for standard screwdriver size 2 and Pozidrive 2) 
Tightening torque  Nm  0.8 to 1.2 
 
Table 7- 2  Conductor cross-sections for spring-loaded connection system 
Type 3RA2811, 3RA2812, 3RA2813, 3RA2814, 3RA2815 
Solid  mm²  2 x (0.25 to 1.5) 
Finely stranded with end sleeve  mm²  2 x (0.25 to 1.5) 
AWG cable, solid or stranded  AWG  2 x (0.25 to 1.5)