product brand name	SIRIUS ACT
product designation	Contact module
product type designation	3SU1
Contact block/ lampholder
socket design	other
General technical data
product function positive opening	Yes
insulation voltage rated value	500 V
degree of pollution	3
type of voltage
● of the operating voltage	AC/DC
● of the input voltage	AC/DC
surge voltage resistance rated value	6 Kv
protection class IP
● of the enclosure	IP40
● of the terminal	IP20
shock resistance
● according to IEC 60068-2-27	sinusoidal half-wave 15g / 11 ms
● for railway applications according to EN 61373	Category 1, Class B
vibration resistance
● according to IEC 60068-2-6	10 … 500 Hz: 5g
● for railway applications according to EN 61373	Category 1, Class B
operating frequency maximum	3 600 1/h
mechanical service life (operating cycles) typical	10 000 000
electrical endurance (operating cycles) typical	10 000 000
thermal current	10 A
reference code according to IEC 81346-2	S
continuous current of the C characteristic MCB	10 A
Substance Prohibitance (Date)	10/1/2014
operating voltage
● at AC
— at 50 Hz rated value	5 … 500 V
— at 60 Hz rated value	5 … 500 V
● at DC rated value	5 … 500 V
Power Electronics
contact reliability	One 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 contacts	Silver alloy
number of NC contacts for auxiliary contacts	1
● lagging switching	0
number of NO contacts for auxiliary contacts	0
● leading contact 0	0
operational current at AC-12
● at 24 V rated value	10 A
● at 48 V rated value	10 A
● at 110 V rated value	10 A
● at 230 V rated value	8 A
● at 400 V rated value	8 A
operational current at AC-15
● at 24 V rated value	6 A
● at 48 V rated value	6 A
● at 110 V rated value	6 A
● at 230 V rated value	6 A
● at 400 V rated value	3 A
● at 500 V rated value	1.4 A
operational current at DC-12
● at 24 V rated value 10 A	10 A
● at 48 V rated value 5 A	5 A
● at 110 V rated value 2.5 A	2.5 A
● at 230 V rated value 1 A	1 A
● at 400 V rated value 0.3 A	0.3 A
● at 500 V rated value 0.3 A	0.3 A
operational current at DC-13
● at 24 V rated value 3 A	3 A
● at 48 V rated value 1.5 A	1.5 A
● at 110 V rated value 0.7 A	0.7 A
● at 230 V rated value 0.3 A	0.3 A
● at 400 V rated value 0.1 A	0.1 A
● at 500 V rated value 0.1 A	0.1 A
Connections/ Terminals
type of electrical connection	screw-type terminals
type of connectable conductor cross-sections
● solid with core end processing	2x (0.5 … 0.75 mm²)
● solid without core end processing	2x (1.0 … 1.5 mm²)
● finely stranded with core end processing	2x (0.5 … 1.5 mm²)
● finely stranded without core end processing	2x (1,0 … 1,5 mm²)
● at AWG cables	2x (18 … 14)
tightening torque with screw-type terminals	0.8 … 0.9 N·m
Ambient conditions
ambient temperature
● during operation	-25 … +70 °C
● during storage	-40 … +80 °C
environmental category during operation according to IEC	3M6, 3S2, 3B2, 3C3 (without salt spray), 3K6 (with relative humidity of
60721	10 … 95%, no condensation in operation permitted)
Installation/ mounting/ dimensions
fastening method	floor mounting
● of modules and accessories	Floor mounting
height	33.2 mm
width	9.8 mm
depth	27.7 mm
suitability for integration
● plastic enclosure	Yes
● metal enclosure	Yes