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 typical2.5 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 AC7,5 g / 5 ms, 4,7 g / 10 ms
at AC11,8 g / 5 ms, 7,4 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 Weight510 g
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 AC5 000 1/h
at AC-1 maximum1 000 1/h
Control circuit/ Control
type of voltageAC
type of voltage of the control supply voltageAC
at 50 Hz rated value24 V
at 50 Hz0.8 ... 1.1
at 50 Hz77 V·A
at 50 Hz0.82
at 50 Hz9.8 V·A
at 50 Hz0.25
at AC8 ... 40 ms
at AC4 ... 16 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
height102 mm
width60 mm
depth97 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 circuitspring-loaded terminals
for auxiliary and control circuitspring-loaded terminals
at contactor for auxiliary contactsSpring-type terminals
of magnet coilSpring-loaded terminal
— solid2x (1 ... 10 mm²)
— solid or stranded2x (1 ... 10 mm²)
— finely stranded with core end processing2x (1 ... 6 mm²)
— finely stranded without core end processing2x (1 ... 6 mm²)
for AWG cables for main contacts2x (18 ... 8)
solid1 ... 10 mm²
solid or stranded1 ... 10 mm²
stranded1 ... 10 mm²
finely stranded with core end processing1 ... 6 mm²
finely stranded without core end processing1 ... 6 mm²
solid or stranded0.5 ... 2.5 mm²
finely stranded with core end processing0.5 ... 1.5 mm²
finely stranded without core end processing0.5 ... 2.5 mm²
— solid2x (0.5 ... 2.5 mm²)
— solid or stranded2x (0.5 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²)
— finely stranded without core end processing2x (0.5 ... 2.5 mm²)
for AWG cables for auxiliary contacts2x (20 ... 14)
AWG number as coded connectable conductor cross section for main contacts18 ... 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 manufacturing2.26 kg
global warming potential [CO2 eq] / during operation164 kg
global warming potential [CO2 eq] / after end of life-0.152 kg
global warming potential [CO2 eq] / total166 kg