product brand nameSIRIUS
product designationcapacitor contactors
product type designation3RT26
General technical data
size of contactorS0
product extension auxiliary switchNo
at AC in hot operating state per pole1.6 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 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 DC10g / 5 ms, 7,5g / 10 ms
at DC15 g / 5 ms, 10 g / 10 ms
of the contactor with added auxiliary switch block typical3 000 000
electrical endurance (operating cycles)200 000
reference code according to IEC 81346-2Q
Substance Prohibitance (day/month/year)05/01/2014
Net Weight0.72 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
operational current at AC-6b at 690 V at ambient temperature 60 °C rated value29 A
at 230 V at 50/60 Hz at ambient temperature 60 °C rated value4 ... 11.5 kvar
at 400 V at 50/60 Hz at ambient temperature 60 °C rated value7 ... 20 kvar
at 500 V at 50/60 Hz at ambient temperature 60 °C rated value8 ... 25 kvar
at 690 V at 50/60 Hz at ambient temperature 60 °C rated value11 ... 34 kvar
at DC500 1/h
at 230 V maximum100 1/h
at 240 V maximum100 1/h
at 400 V maximum100 1/h
at 480 V maximum100 1/h
at 500 V maximum100 1/h
at 600 V maximum100 1/h
at 690 V maximum100 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 value0.8
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 contacts2
attachable0
instantaneous contact2
number of NO contacts for auxiliary contacts1
attachable0
instantaneous contact1
operational current of auxiliary contacts at AC-12 maximum10 A
at 230 V6 A
at 400 V3 A
at 690 V1 A
at 24 V6 A
at 60 V2 A
at 110 V1 A
at 125 V0.9 A
at 220 V0.3 A
contact reliability of auxiliary contacts0.00000001
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
for short-circuit protection of the main circuit with type of coordination 1 requiredgG: 63 A (690 V, 50 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 methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022
height135 mm
width45 mm
depth165 mm
with side-by-side mounting at the side10 mm
for grounded parts at the side10 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)
stranded2x (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
— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 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), 2x 12
at 40 °C1x 10 mm²
at 60 °C2x 10 mm²
AWG number as coded connectable conductor cross section for main contacts16 ... 8
Safety related data
mirror contact according to IEC 60947-4-1No
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
Approvals Certificates
global warming potential [CO2 eq] / during manufacturing2.47 kg
global warming potential [CO2 eq] / during operation104 kg
global warming potential [CO2 eq] / after end of life-0.226 kg
global warming potential [CO2 eq] / total106 kg