product brand nameSIRIUS
product designationContactor
product type designation3RT23
General technical data
size of contactorS0
function module for communicationNo
auxiliary switchYes
at AC in hot operating state7.6 W
at AC in hot operating state per pole1.9 W
without load current share typical5.9 W
type of calculation of power loss current-dependentquadratic
of main circuit with degree of pollution 3 rated value690 V
of the auxiliary and control circuit with degree of pollution 3 rated value690 V
of main circuit rated value6 kV
of auxiliary circuit rated value6 kV
at DC10g / 5 ms, 7,5g / 10 ms
at DC15 g / 5 ms, 10 g / 10 ms
of contactor typical10 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
Net Weight0.653 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 circuit4
number of NO contacts for main contacts4
type of voltage for main current circuitAC
at AC-1 at 400 V at ambient temperature 40 °C rated value35 A
— up to 690 V at ambient temperature 40 °C rated value35 A
— up to 690 V at ambient temperature 60 °C rated value30 A
— at 400 V rated value15.5 A
at AC-4 at 400 V rated value15.5 A
minimum cross-section in main circuit at maximum AC-1 rated value10 mm²
— at 24 V rated value30 A
— at 60 V rated value20 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 value30 A
— at 60 V rated value30 A
— at 110 V rated value30 A
— at 220 V rated value1 A
— at 440 V rated value1 A
— at 24 V rated value30 A
— at 60 V rated value30 A
— at 110 V rated value30 A
— at 220 V rated value30 A
— at 440 V rated value2.9 A
— at 24 V rated value20 A
— at 60 V rated value5 A
— at 110 V rated value2.5 A
— at 220 V rated value1 A
— at 440 V rated value0.09 A
— at 24 V rated value30 A
— at 60 V rated value30 A
— at 110 V rated value15 A
— at 220 V rated value3 A
— at 440 V rated value0.27 A
— at 24 V rated value30 A
— at 60 V rated value30 A
— at 110 V rated value30 A
— at 220 V rated value10 A
— at 440 V rated value0.6 A
at AC-3 at 400 V rated value7.5 kW
at AC-4 at 400 V rated value7.5 kW
at DC1 500 1/h
at AC-1 maximum1 000 1/h
Control circuit/ Control
type of voltageDC
type of voltage of the control supply voltageDC
control supply voltage at DC rated value48 V
initial value0.8
full-scale value1.1
closing power of magnet coil at DC5.9 W
holding power of magnet coil at DC5.9 W
at DC50 ... 170 ms
at DC15 ... 18 ms
arcing time10 ms
control version of the switch operating mechanismStandard A1 - A2
Auxiliary circuit
number of NC contacts for auxiliary contacts1
attachable2
instantaneous contact1
number of NO contacts for auxiliary contacts1
attachable2
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 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
contact rating of auxiliary contacts according to ULA600 / Q600
UL File Number (CCN)E31519 (NLDX, NLDX7)
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: 63 A (690 V, 100 kA)
— with type of coordination 2 requiredgG: 20 A (690 V, 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 60715
height85 mm
width60 mm
depth107 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
— solid2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— solid or stranded2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
— finely stranded with core end processing2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
for AWG cables for main contacts2x (16 ... 12), 2x (14 ... 8)
solid1 ... 10 mm²
solid or stranded1 ... 10 mm²
stranded1 ... 10 mm²
finely stranded with core end processing1 ... 10 mm²
solid or stranded0.5 ... 2.5 mm²
finely stranded with core end processing0.5 ... 2.5 mm²
— 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 contacts16 ... 8
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
Approvals Certificates
global warming potential [CO2 eq] / during manufacturing3.36 kg
global warming potential [CO2 eq] / during operation290 kg
global warming potential [CO2 eq] / after end of life-0.566 kg
global warming potential [CO2 eq] / total293 kg