3SU1400-1AA10-1EA0
CONTACT MODULE 2NC

From SIEMENS

Contact module with 2 contact elements, 2 NC, screw terminal, for front plate mounting
Product brand nameSIRIUS ACT
Product designationContact module
Product type designation3SU1
General technical data
Product function
positive openingYes
Insulation voltage
rated value500 V
Degree of pollution3
Type of voltage
of the operating voltageAC/DC
of the input voltageAC/DC
Surge voltage resistance rated value6 kV
Protection class IP
of the enclosureIP40
of the terminalIP20
Shock resistance
acc. to IEC 60068-2-27Sinusoidal half-wave 50 g / 11 ms
for railway applications acc. to DIN EN 61373Category 1, Class B
Operating frequency maximum3 600 1/h
Mechanical service life (switching cycles)
typical10 000 000
Electrical endurance (switching cycles)
typical10 000 000
Thermal current10 A
Reference code acc. to DIN EN 81346-2S
Reference code acc. to DIN EN 61346-2S
Continuous current of the C characteristic MCB10 A
Operating voltage
at AC
— at 50 Hz rated value5 ... 500 V
— at 60 Hz rated value5 ... 500 V
at DC
— rated value5 ... 500 V
Power Electronics
Contact reliabilityOne maloperation per 100 million (17 V, 5 mA), one maloperation per 10 million (5 V, 1 mA)
Auxiliary circuit
Design of the contact of auxiliary contactsSilver alloy
Number of NC contacts for auxiliary contacts2
lagging switching0
Number of NO contacts for auxiliary contacts0
leading contact0
Number of CO contacts
for auxiliary contacts0
Operating current at AC-12
at 24 V rated value10 A
at 48 V rated value10 A
at 110 V rated value10 A
at 230 V rated value8 A
at 400 V rated value8 A
Operating current at AC-15
at 24 V rated value6 A
at 48 V rated value6 A
at 110 V rated value6 A
at 230 V rated value6 A
at 400 V rated value3 A
at 500 V rated value1.4 A
Operating current at DC-12
at 24 V rated value10 A
at 48 V rated value5 A
at 110 V rated value2.5 A
at 230 V rated value1 A
at 400 V rated value0.3 A
at 500 V rated value0.3 A
Operating current at DC-13
at 24 V rated value3 A
at 48 V rated value1.5 A
at 110 V rated value0.7 A
at 230 V rated value0.3 A
at 400 V rated value0.1 A
at 500 V rated value0.1 A
Connections/Terminals
Type of electrical connectionscrew-type terminals
Type of connectable conductor cross-sections
solid with core end processing2x (0.5 ... 0.75 mm²)
solid without core end processing2x (1.0 ... 1.5 mm²)
finely stranded with core end processing2x (0.5 ... 1.5 mm²)
finely stranded without core end processing2x (1,0 ... 1,5 mm²)
at AWG conductors2x (18 ... 14)
Tightening torque
with screw-type terminals0.8 ... 0.9 N·m
Ambient conditions
Ambient temperature
during operation-25 ... +70 °C
during storage-40 ... +80 °C
Environmental category during operation acc. to IEC 607213M6, 3S2, 3B2, 3C3 (without salt spray), 3K6 (with relative humidity of 10 ... 95%, no condensation in operation permitted)
Installation/ mounting/ dimensions
Mounting type
of modules and accessoriesFront plate mounting
Height34 mm
Width9.8 mm
Depth49.7 mm

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