product brand nameSIRIUS
product designationNon-reversing contactor
product type designation3RT25
General technical data
size of contactorS2
function module for communicationNo
auxiliary switchYes
without load current share typical1.5 W
of main circuit with degree of pollution 3 rated value690 V
of auxiliary circuit with degree of pollution 3 rated value690 V
of main circuit rated value6 kV
of auxiliary circuit rated value6 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1400 V
at DC7.7 g / 5 ms, 4.5 g / 10 ms
at DC12 g / 5 ms, 7 g / 10 ms
of contactor typical10 000 000
of the contactor with added electronically optimized auxiliary switch block typical5 000 000
of the contactor with added auxiliary switch block typical10 000 000
reference code according to IEC 81346-2Q
Substance Prohibitance (day/month/year)10/01/2009
SVHC substance nameLead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1
Net Weight1.128 kg
Ambient conditions
installation altitude at height above sea level maximum2 000 m
during operation-40 ... +70 °C
during storage-55 ... +80 °C
relative humidity minimum10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %
Main circuit
number of poles for main current circuit4
number of NO contacts for main contacts2
number of NC contacts for main contacts2
at AC-3 rated value maximum400 V
— up to 690 V at ambient temperature 40 °C rated value60 A
— up to 690 V at ambient temperature 60 °C rated value55 A
— at 400 V rated value35 A
at AC-4 at 400 V rated value35 A
at maximum AC-1 rated value16 mm²
at 400 V rated value22 A
at 690 V rated value18.5 A
— at 24 V rated value55 A
— at 110 V rated value4.5 A
— at 220 V rated value1 A
— at 440 V rated value0.4 A
— at 24 V rated value55 A
— at 110 V rated value45 A
— at 220 V rated value5 A
— at 440 V rated value1 A
— at 230 V rated value11 kW
— at 400 V rated value18.5 kW
at 400 V rated value11.6 kW
at 690 V rated value16.8 kW
at DC500 1/h
at AC-4 maximum300 1/h
Control circuit/ Control
type of voltageDC
type of voltage of the control supply voltageDC
control supply voltage at DC rated value110 V
initial value0.7
full-scale value1.25
design of the surge suppressorwith varistor
inrush current peak12 A
duration of inrush current peak20 µs
pickup current mean value1.3 A
pickup current peak3.1 A
duration of pickup current230 ms
closing power of magnet coil at DC70 W
holding power of magnet coil at DC1.5 W
at DC35 ... 110 ms
at DC30 ... 55 ms
arcing time10 ... 20 ms
control version of the switch operating mechanismStandard A1 - A2
Auxiliary circuit
number of NC contacts for auxiliary contacts1
instantaneous contact1
number of NO contacts for auxiliary contacts1
instantaneous contact1
operational current at AC-12 maximum10 A
at 230 V rated value6 A
at 400 V rated value3 A
at 500 V rated value2 A
at 690 V rated value1 A
at 24 V rated value10 A
at 48 V rated value6 A
at 60 V rated value6 A
at 110 V rated value3 A
at 125 V rated value2 A
at 220 V rated value1 A
at 600 V rated value0.15 A
at 24 V rated value10 A
at 48 V rated value2 A
at 60 V rated value2 A
at 110 V rated value1 A
at 125 V rated value0.9 A
at 220 V rated value0.3 A
at 600 V rated value0.1 A
UL/CSA ratings
contact rating of auxiliary contacts according to ULA600 / P600
Short-circuit protection
design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA
— with type of coordination 1 requiredgG: 125 A (690 V, 100 kA)
— with type of coordination 2 requiredgG: 63 A (690V, 100 kA)
for short-circuit protection of the auxiliary switch requiredgG: 10 A (690 V, 1 kA)
Installation/ mounting/ dimensions
mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
fastening method side-by-side mountingYes
fastening methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022
height114 mm
width75 mm
depth130 mm
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side0 mm
— forwards10 mm
— upwards10 mm
— at the side6 mm
— downwards10 mm
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side6 mm
Connections/ Terminals
for main current circuitscrew-type terminals
for auxiliary and control circuitspring-loaded terminals
at contactor for auxiliary contactsSpring-type terminals
of magnet coilSpring-loaded terminal
— solid2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
— solid or stranded2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
— finely stranded with core end processing2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
for AWG cables for main contacts2x (18 ... 2), 1x (18 ... 1)
— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
for AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross section for main contacts18 ... 1
AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14
Safety related data
mirror contact according to IEC 60947-4-1Yes
positively driven operation according to IEC 60947-5-1No
Electrical Safety
protection class IP on the front according to IEC 60529IP20
touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front
Communication/ Protocol
product function bus communicationNo