SIEMENS
3/67
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Power Contactors for Switching Motors
SIRIUS 3RT contactors, 3-pole up to 250 kW
3
AC/DC operation (50/60 Hz AC and DC)
•
Extended operating range of the solenoid coil 0.8 to 1.1 x
U
s
•
Reduced power consumption when closing and in the closed
state
PU (UNIT, SET, M)
= 1
PS*
= 1 unit
PG
= 41B
1)
Coil operating range: 0.8 x
U
s min
to 1.1 x
U
s max
.
Other voltages
according to page 3/73
on request.
For accessories and spare parts,
see pages 3/75 to 3/123
.
3RT203.-1NB34-3MA0
3RT203. -3NB34-3MA0
3RT203.-1NB30-0CC0
3RT203.-3NB30-0CC0
Rated data
Auxiliary contacts
Rated control
supply voltage
U
s
1)
SD
Screw terminals
SD
Spring-type terminals
AC-2 and AC-3,
t
u
: Up to 60 °C
AC-1,
t
u
: 40 °C
Opera-
tional
current
I
e
up to
Ratings of
three-phase
motors at
50 Hz and
Opera-
tional
current
I
e
up to
Ident. No.
Version
Article No.
Price
per PU
Article No.
Price
per PU
400 V
400 V
690 V
A
kW
A
NO
NC
V AC/DC
d
d
For screw fixing and snap-on mounting onto TH 35 standard
mounting rail
Size S2
With permanently mounted auxiliary switch block
and integrated coil circuit (varistor)
40
18.5
60
22
2
2
20 ... 33
5
3RT2035-1NB34-3MA0
5
3RT2035-3NB34-3MA0
50
22
70
22
2
2
20 ... 33
2
3RT2036-1NB34-3MA0
5
3RT2036-3NB34-3MA0
65
30
80
22
2
2
20 ... 33
}
3RT2037-1NB34-3MA0
5
3RT2037-3NB34-3MA0
80
37
90
22
2
2
20 ... 33
}
3RT2038-1NB34-3MA0
2
3RT2038-3NB34-3MA0
With voltage tap-off and integrated coil circuit (varistor)
40
18.5
60
11
1
1
20 ... 33
2
3RT2035-1NB30-0CC0
2
3RT2035-3NB30-0CC0
50
22
70
11
1
1
20 ... 33
2
3RT2036-1NB30-0CC0
2
3RT2036-3NB30-0CC0
65
30
80
11
1
1
20 ... 33
2
3RT2037-1NB30-0CC0
2
3RT2037-3NB30-0CC0
80
37
90
11
1
1
20 ... 33
2
3RT2038-1NB30-0CC0
2
3RT2038-3NB30-0CC0
A1(+)
A2(–)
22
21
32
31
14
13
44
43
2/T1
1/L1
4/T2
3/L2
6/T3
5/L3
A1(+)
A2(–)
22
21
14
13
2/T1
1/L1
4/T2
3/L2
6/T3
5/L3
© Siemens AG 2016