Product Overview

● at DC
24 ... 240 V
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
● OFF delay
No
switching function
● flashing symmetrically with interval
start/instantaneous
No
● flashing symmetrically with interval start
No
● flashing symmetrically with pulse
start/instantaneous
No
● flashing symmetrically with pulse start
No
● flashing asymmetrically with interval start
No
● flashing asymmetrically with pulse start
No
switching function
● constant clock cycle with pulse start
No
● constant clock cycle with interval start
No
switching function
● variably clocked with pulse start
No
● variably clocked with interval start
No
switching function
● star-delta circuit with delay time
No
● star-delta circuit
No
switching function with control signal
● additive ON-delay
No
● passing break contact
No
● passing break contact/instantaneous
No
● OFF delay
No
● OFF delay/instantaneous
No
● pulse delayed
No
● pulse delayed/instantaneous
No
● pulse-shaping
No
● pulse-shaping/instantaneous
No
● additive ON-delay/instantaneous
No
● ON-delay/OFF-delay
No
● ON-delay/OFF-delay/instantaneous
No
● passing make contact
No
● passing make contact/instantaneous contact
No
switching function of interval relay with control signal
● retrotriggerable with deactivated control
signal/instantaneous contact
No
● retrotriggerable with switched-on control signal
No
● retrotriggerable with switched-on control
signal/instantaneous contact
No
● retriggerable with deactivated control signal
No
design of the control terminal non-floating
No
3RA28111CW10
Page 2/7
1/3/2022
Subject to change without notice
© Copyright Siemens