SIEMENS
4/25
Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Contactors for Special Applications
SIRIUS 3RT25 contactors, 4-pole, 2 NO + 2 NC
4
AC/DC operation
Single device for pole reversal (not suitable for reversing duty)
PU (UNIT, SET, M)
= 1
PS*
= 1 unit
PG
= 41B
Other voltages
according to page 4/49
on request.
For accessories and spare parts,
see page 3/75 onwards
.
3RT253.-1N.30
Rated data
Auxiliary contacts
Rated control
supply voltage
U
s
SD
Screw terminals
SD
Spring-type
terminals
for auxiliary and
control circuits
AC-2/AC-3,
t
u
: Up to 60 °C
AC-1,
t
u
: 40/60 °C
Ident. No.
Version
Opera-
tional
current
I
e
Ratings of three-
phase motors
at 50 Hz and
Operational
current
I
e
up to
Article No.
Price
per PU
Article No.
Price
per PU
At 400 V
400 V
690
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 integrated coil circuit (varistor)
Auxiliary contacts 1 NO + 1 NC, Ident. No.
11
35
18.5
60 / 55
11
1
1
20 ... 33
2
3RT2535-1NB30
--
83 ... 155
5
3RT2535-1NF30
--
175 ... 280
5
3RT2535-1NP30
--
41
22
70 / 60
11
1
1
20 ... 33
2
3RT2536-1NB30
--
83 ... 155
5
3RT2536-1NF30
--
175 ... 280
5
3RT2536-1NP30
--
A1(+)
A2(–)
2
1
4
3
R2
R1
R4
R3
22
21
14
13
© Siemens AG 2016