Data Sheet
Auxiliary circuit
Number of NO contacts
● delayed switching
1
Operating frequency with 3RT2 contactor maximum 25001/h
Influence of the surrounding temperature ±1 %
Power supply influence ±1 %
Main circuit
Type of voltage AC/DC
Inputs/ Outputs
Product function
● non-volatile
No
Residual current
● maximum
5mA
Voltage drop when switched through maximum 3.5V
Electromagnetic compatibility
EMI immunity
● acc. to IEC 61812-1
Environment A (industrial area)
Conducted interference
● due to burst acc. to IEC 61000-4-4
2 kV network connection / 1 kV control connection
● due to conductor-earth surge acc. to IEC
61000-4-5
2 kV
● due to conductor-conductor surge acc. to IEC
61000-4-5
1 kV
Field-bound parasitic coupling acc. to IEC 61000-4-3 10 V/m
Electrostatic discharge acc. to IEC 61000-4-2 8 kV
Safety related data
Protection against electrical shock finger-safe
Type of insulation Basic insulation
Category acc. to EN 954-1 none
Connections/ Terminals
Product function
● removable terminal for auxiliary and control
circuit
Yes
Type of electrical connection
● for auxiliary and control current circuit
screw-type terminals
Type of connectable conductor cross-sections
● solid
0.5 ... 4 mm², 2x (0.5 ... 2.5 mm²)
● finely stranded with core end processing
1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
● at AWG conductors solid
2x (20 ... 14)
● at AWG conductors stranded
2x (20 ... 14)
Connectable conductor cross-section
3RA2811-1CW10 Subject to change without notice
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09/11/2019 © Copyright Siemens