Product Overview
Data sheet 3RA2811-1CW10
Electronic timing relay ON delay with semiconductor output 24-240 V
AC/DC Time range 0.05...100 s can be snapped on at the front for
contactors 3RT2 S00/S0 and auxiliary contactor 3RH2 S00 Screw terminal
Varistor for attenuation of the contactor coils integrated
product brand name
SIRIUS
product designation
function module
product type designation
3RA28
General technical data
size of contactor can be combined company-specific
S00, S0
product component semi-conductor output
Yes
product extension required remote control
No
product extension optional remote control
No
insulation voltage for overvoltage category III according to
IEC 60664 with degree of pollution 3 rated value
300 V
test voltage for isolation test
1.5 kV
degree of pollution
3
surge voltage resistance rated value
4 kV
test voltage for surge voltage test
4 800 V
protection class IP of the terminal
IP20
shock resistance acc. to IEC 60068-2-27
15g / 11 ms
vibration resistance acc. to IEC 60068-2-6
10 ... 59 Hz: 0.35 mm, 60 ... 150 Hz: 2g
mechanical service life (switching cycles) typical
100 000 000
electrical endurance (switching cycles) at AC-15 at 230 V
typical
10 000 000
electrical endurance (switching cycles)
● with contactor 3R.2 of frame size S00
10 000 000
● with contactor 3R.2 of frame size S0
10 000 000
adjustable time
0.05 ... 100 s
relative setting accuracy relating to full-scale value
15 %
recovery time
50 ms
reference code acc. to IEC 81346-2
K
relative repeat accuracy
1 %
influence of the surrounding temperature
±1 %
power supply influence
±1 %
Substance Prohibitance (Date)
01.10.2009
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 ... 240 V
● at 60 Hz
24 ... 240 V
control supply voltage frequency 1
50 ... 60 Hz
control supply voltage 1
3RA28111CW10
Page 1/7
1/3/2022
Subject to change without notice
© Copyright Siemens