Data Sheet
Electrical endurance (switching cycles)
● at AC-15 at 230 V typical
10000000
Electrical endurance (switching cycles)
● with contactor 3R.2 of frame size S00
10000000
● with contactor 3R.2 of frame size S0
10000000
Adjustable time 0.05...100s
Relative setting accuracy relating to full-scale value 15%
Recovery time 50ms
Reference code acc. to DIN 40719 extended
according to IEC 204-2 acc. to IEC 750
K
Reference code acc. to DIN EN 81346-2 K
Reference code acc. to DIN EN 61346-2 K
Relative repeat accuracy 1%
Product Function
Product function star-delta circuit No
Control circuit/ Control
Type of voltage of the control supply voltage AC/DC
Control supply voltage 1 at AC
● at 50 Hz
24...240V
● at 60 Hz
24...240V
Control supply voltage frequency 1 50...60Hz
Control supply voltage 1
● at DC
24...240V
Operating range factor control supply voltage rated
value at DC
● initial value
0.85
● Full-scale value
1.1
Operating range factor control supply voltage rated
value at AC at 50 Hz
● initial value
0.85
● Full-scale value
1.1
Operating range factor control supply voltage rated
value at AC at 60 Hz
● initial value
0.85
● Full-scale value
1.1
Design of the surge suppressor with varistor
Switching Function
Switching function
● ON-delay
Yes
● ON-delay/instantaneous contact
No
● passing make contact
No
● passing make contact/instantaneous contact
No
3RA2811-2CW10 Subject to change without notice
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09/11/2019 © Copyright Siemens