product brand nameSIRIUS
product designationPower contactor
product type designation3RT2
General technical data
size of contactorS2
function module for communicationNo
auxiliary switchYes
at AC in hot operating state12 W
at AC in hot operating state per pole4 W
without load current share typical6.5 W
type of calculation of power loss current-dependentquadratic
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 AC11.8 g / 5 ms, 7.4 g / 10 ms
at AC18.5 g / 5 ms, 11.6 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)10/01/2014
Net Weight0.961 kg
Ambient conditions
installation altitude at height above sea level maximum2 000 m
during operation-25 ... +60 °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 circuit3
number of NO contacts for main contacts3
number of NC contacts for main contacts0
at AC-3 rated value maximum690 V
at AC-3e rated value maximum690 V
at AC-1 at 400 V at ambient temperature 40 °C rated value70 A
— up to 690 V at ambient temperature 40 °C rated value70 A
— up to 690 V at ambient temperature 60 °C rated value60 A
— at 400 V rated value51 A
— at 500 V rated value51 A
— at 690 V rated value24 A
— at 400 V rated value51 A
— at 500 V rated value51 A
— at 690 V rated value24 A
at AC-4 at 400 V rated value41 A
at AC-5a up to 690 V rated value61.6 A
at AC-5b up to 400 V rated value41.5 A
— up to 230 V for current peak value n=20 rated value43.2 A
— up to 400 V for current peak value n=20 rated value43.2 A
— up to 500 V for current peak value n=20 rated value43.2 A
— up to 690 V for current peak value n=20 rated value24 A
— up to 230 V for current peak value n=30 rated value28.8 A
— up to 400 V for current peak value n=30 rated value28.8 A
— up to 500 V for current peak value n=30 rated value28.8 A
— up to 690 V for current peak value n=30 rated value24 A
minimum cross-section in main circuit at maximum AC-1 rated value25 mm²
at 400 V rated value24 A
at 690 V rated value20 A
— at 24 V rated value55 A
— at 60 V rated value23 A
— at 110 V rated value4.5 A
— at 220 V rated value1 A
— at 440 V rated value0.4 A
— at 600 V rated value0.25 A
— at 24 V rated value55 A
— at 60 V rated value45 A
— at 110 V rated value45 A
— at 220 V rated value5 A
— at 440 V rated value1 A
— at 600 V rated value0.8 A
— at 24 V rated value55 A
— at 60 V rated value55 A
— at 110 V rated value55 A
— at 220 V rated value45 A
— at 440 V rated value2.9 A
— at 600 V rated value1.4 A
— at 24 V rated value35 A
— at 60 V rated value6 A
— at 220 V rated value1 A
— at 440 V rated value0.1 A
— at 600 V rated value0.06 A
— at 24 V rated value55 A
— at 60 V rated value45 A
— at 110 V rated value25 A
— at 220 V rated value5 A
— at 440 V rated value0.27 A
— at 600 V rated value0.16 A
— at 24 V rated value55 A
— at 60 V rated value55 A
— at 110 V rated value55 A
— at 220 V rated value25 A
— at 440 V rated value0.6 A
— at 600 V rated value0.35 A
at AC-2 at 400 V rated value22 kW
— at 230 V rated value15 kW
— at 400 V rated value22 kW
— at 500 V rated value30 kW
— at 690 V rated value22 kW
— at 230 V rated value15 kW
— at 400 V rated value22 kW
— at 500 V rated value30 kW
— at 690 V rated value22 kW
at 400 V rated value12.6 kW
at 690 V rated value18.2 kW
up to 230 V for current peak value n=20 rated value17.2 kVA
up to 400 V for current peak value n=20 rated value29.9 kVA
up to 500 V for current peak value n=20 rated value37.4 kVA
up to 690 V for current peak value n=20 rated value28.6 kVA
up to 230 V for current peak value n=30 rated value11.4 kVA
up to 400 V for current peak value n=30 rated value19.9 kVA
up to 500 V for current peak value n=30 rated value24.9 kVA
up to 690 V for current peak value n=30 rated value28.6 kVA
limited to 1 s switching at zero current maximum937 A; Use minimum cross-section acc. to AC-1 rated value
limited to 5 s switching at zero current maximum697 A; Use minimum cross-section acc. to AC-1 rated value
limited to 10 s switching at zero current maximum468 A; Use minimum cross-section acc. to AC-1 rated value
limited to 30 s switching at zero current maximum282 A; Use minimum cross-section acc. to AC-1 rated value
limited to 60 s switching at zero current maximum229 A; Use minimum cross-section acc. to AC-1 rated value
at AC5 000 1/h
at AC-1 maximum1 000 1/h
at AC-2 maximum600 1/h
at AC-3 maximum800 1/h
— maximum800 1/h
at AC-4 maximum250 1/h
Control circuit/ Control
type of voltage of the control supply voltageAC
at 60 Hz rated value277 V
at 60 Hz0.85 ... 1.1
at 60 Hz212 V·A
at 60 Hz0.67
at 60 Hz18.5 V·A
at 60 Hz0.37
at AC10 ... 80 ms
at AC10 ... 18 ms
arcing time10 ... 20 ms
control version of the switch operating mechanismStandard A1 - A2
Auxiliary circuit
number of NC contacts for auxiliary contacts instantaneous contact1
number of NO contacts for auxiliary contacts instantaneous contact1
operational current at AC-12 maximum10 A
at 230 V rated value10 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
contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
at 480 V rated value52 A
at 600 V rated value52 A
— at 110/120 V rated value3 hp
— at 230 V rated value10 hp
— at 200/208 V rated value15 hp
— at 220/230 V rated value15 hp
— at 460/480 V rated value40 hp
— at 575/600 V rated value50 hp
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: 160 A (690 V, 100 kA), aM: 80 A (690 V, 100 kA), BS88: 125 A (415 V, 80 kA)
— with type of coordination 2 requiredgG: 80 A (690 V, 100 kA), aM: 50 A (690 V, 100 kA), BS88: 63 A (415 V, 80 kA)
for short-circuit protection of the auxiliary switch requiredgG: 10 A (500 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 60715
height114 mm
width55 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 circuitscrew-type terminals
at contactor for auxiliary contactsScrew-type terminals
of magnet coilscrew terminal
— 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)
finely stranded with core end processing1 ... 35 mm²
solid or stranded0.5 ... 2.5 mm²
finely stranded with core end processing0.5 ... 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
suitable for safety functionYes
suitability for use safety-related switching OFFYes
service life maximum20 a
test wear-related service life necessaryYes
with low demand rate according to SN 3192040 %
with high demand rate according to SN 3192073 %
B10 value with high demand rate according to SN 319201 000 000
failure rate [FIT] with low demand rate according to SN 31920100 FIT
ISO 13849
device type according to ISO 13849-13
overdimensioning according to ISO 13849-2 necessaryYes
IEC 61508
safety device type according to IEC 61508-2Type A
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
Approvals Certificates
global warming potential [CO2 eq] / during manufacturing4.11 kg
global warming potential [CO2 eq] / during operation233 kg
global warming potential [CO2 eq] / after end of life-0.635 kg
global warming potential [CO2 eq] / total236 kg