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
ï‚· Operation
°C -25 to +60
ï‚· 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)
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