3SB3420-0BA
BASE ELEMENT 1NO,

From SIEMENS

COMPONENT FOR ENCLOSURE, 22MM CONTACT BLOCK WITH 1 CONTACT ELEMENT SCREW TERMINAL, 1NO GOLD-PLATED CONTACTS !!! Phased-out product !!! SIRIUS ACT 3SU1 is successor Preferred successor type is >>3SU1400-2AA10-1LA0<<
Product designationcontact block
Contact block/ lampholder
Number of lampholders0
General technical data
Product function
positive openingNo
Product component
diodeNo
lamp transformerNo
Light sourceNo
series resistorNo
Insulation voltage
rated value400 V
Degree of pollutionclass 3
Type of voltage
of the operating voltageAC/DC
Surge voltage resistance rated value4 kV
Protection class IP
of the enclosureIP40
of the terminalIP20
Operating frequency maximum1 000 1/h
Mechanical service life (switching cycles)
typical10 000 000
Electrical endurance (switching cycles) with contactors 3RT1015 to 3RT1026 typical10 000 000
Thermal current10 A
Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750S
Reference code acc. to DIN EN 81346-2P
Reference code acc. to DIN EN 61346-2P
Design of the fuse link for short-circuit protection of the auxiliary switch with type of coordination 1 requiredgG / Dz 10 A
Operating voltage
at AC
— at 50 Hz rated value5 ... 400 V
— at 60 Hz rated value5 ... 300 V
at DC
— rated value5 ... 230 V
Operating voltage 1
at AC
— at 50 Hz rated value400 V
— at 60 Hz rated value300 V
at DC rated value24 V
Power Electronics
Contact reliabilityone incorrect switching operation of 100 million switching operations (5 V, 1 mA)
Auxiliary circuit
Design of the contact of auxiliary contactsGold-plated
Number of NC contacts for auxiliary contacts0
Number of NO contacts for auxiliary contacts1
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 value10 A
at 400 V rated value10 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
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
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
Connections/Terminals
Type of electrical connectionscrew-type terminals
Type of connectable conductor cross-sections
for auxiliary contacts
— solid2x (1.0 ... 1.5 mm²)
— solid with core end processing2x (0.5 ... 0.75 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²)
at AWG conductors for auxiliary contacts2x (18 ... 14)
Tightening torque
for auxiliary contacts with screw-type terminals0.8 N·m
Ambient conditions
Ambient temperature
during operation-25 ... +70 °C
during storage-25 ... +80 °C
Installation/ mounting/ dimensions
Mounting typefloor mounting
Height49.5 mm
Width10 mm
Depth28 mm

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