product brand nameSIRIUS
product designationsolid-state contactor
design of the product3-pole controlled
product type designation3RF34
General technical data
product functionzero-point switching
power loss [V∙A] maximum56 V·A
at AC in hot operating state56 W
without load current share typical0,9 W
type of calculation of power loss current-dependentlinear
insulation voltage rated value600 V
degree of pollution3
surge voltage resistance of main circuit rated value6 kV
protection class IPIP20
protection class IP on the front according to IEC 60529IP20
shock resistance according to IEC 60068-2-2715 g / 11 ms
vibration resistance according to IEC 60068-2-62 g
reference code according to IEC 81346-2Q
Substance Prohibitance (day/month/year)12/17/2024
SVHC substance nameLead monoxide (lead oxide) CAS-Yok. 1317-36-8
Net Weight0,409 kg
Main circuit
number of poles for main current circuit3
number of NO contacts for main contacts3
number of NC contacts for main contacts0
type of voltage of the operating voltageAC
— at 50 Hz rated value48... 600 V
— at 60 Hz rated value48... 600 V
operating frequency rated value50... 60 Hz
relative symmetrical tolerance of the operating frequency10 %
at 50 Hz40... 660 V
at 60 Hz40... 660 V
operational current rated value maximum20 A
at AC-1 at 400 V rated value20 A
according to UL 508 rated value14 A
ampacity maximum20 A
operational current minimum500 mA
rate of voltage rise at the thyristor for main contacts maximum permissible1.000 V/µs
blocking voltage at the thyristor for main contacts maximum permissible1.200 V
reverse current of the thyristor10 mA
derating temperature40 °C
surge current resistance rated value600 A
Control circuit/ Control
type of voltage of the control supply voltageAC
at 50 Hz180... 230 V
at 60 Hz180... 230 V
at 50 Hz rated value230 V
at 60 Hz rated value230 V
at 50 Hz full-scale value for signal<0> recognition40 V
at 60 Hz full-scale value for signal<0> recognition180 V
initial value for signal <1> detection180 V
1 rated value45 Hz
2 rated value66 Hz
symmetrical line frequency tolerance5 Hz
at AC2 mA
control current at AC rated value15 mA
ON-delay time40 ms; additionally maks. one half-wave
OFF-delay time1 ms; additionally maks. one half-wave
Installation/ mounting/ dimensions
fastening method side-by-side mountingVar
fastening methodscrew fixing ve snap-on mounting on standard mounting rail 35 mm according to IEC 60715
design of the thread of the screw for securing the equipmentM4
tightening torque of fixing screw maximum1,5 N·m
height100 mm
width55 mm
depth143 mm
Connections/ Terminals
product component removable terminal for auxiliary and control circuitVar
for main current circuitspring-loaded terminals
for auxiliary and control circuitspring-loaded terminals
— solid2x (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 main contacts2x (18... 14)
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
— solid0,5... 1,5 mm²
— finely stranded with core end processing0,5... 2,5 mm²
— finely stranded without core end processing0,5... 2,5 mm²
for AWG cables for auxiliary and control contacts1x (20... 12)
AWG number as coded connectable conductor cross section for main contacts18... 14
for main contacts10 mm
for auxiliary and control contacts10 mm
type of groundinggrounding heat sink by means of screw-type terminal
UL/CSA ratings
operational current according to UL 508 rated value14 A
Electrical Safety
touch protection on the front according to IEC 60529finger-safe, for dikey contact from the front
Ambient conditions
installation altitude at height above sea level maximum1.000 m
during operation-25... +60 °C
during storage-55... +80 °C
Electromagnetic compatibility
due to burst according to IEC 61000-4-42 kV / 5 kHz, behavior criterion 2
due to conductor-earth surge according to IEC 61000-4-52 kV, behavior criterion 2
due to conductor-conductor surge according to IEC 61000-4-51 kV, behavior criterion 2
due to high-frequency radiation according to IEC 61000-4-6140 dBuV in the frequency range 0,15... 80 MHz, behavior criterion 1
electrostatic discharge according to IEC 61000-4-24 kV contact discharging / 8 kV air discharging, behavior criterion 2
conducted HF interference emissions according to CISPR11Class A for industrial environment
field-bound HF interference emission according to CISPR11Class A for industrial environment
Short-circuit protection, design of the fuse link
of full range R fuse link for semiconductor protection at NH design usable3NE1814-0
of full range R fuse link for semiconductor protection at cylindrical design usable5SE1320; Maximum operating voltage 400 V!
of back-up R fuse link for semiconductor protection at NH design usable3NE8015-1
of back-up R fuse link for semiconductor protection at cylindrical design 10 x 38 mm usable3NC1032
of back-up R fuse link for semiconductor protection at cylindrical design 14 x 51 mm usable3NC1450
of back-up R fuse link for semiconductor protection at cylindrical design 22 x 58 mm usable3NC2250
at NH design usable3NA6807-6
at cylindrical design 10 x 38 mm usable3NW6007-1; Maximum operating voltage 500 V!
at cylindrical design 10 x 38 mm usable noteMaximum operating voltage 500 V!
at cylindrical design 14 x 51 mm usable3NW6105-1; These fuses have a smaller rated current than the semiconductor relays
at cylindrical design 14 x 51 mm usable noteThese fuses have a smaller rated current than the semiconductor relays
at cylindrical design 22 x 58 mm usable3NW6207-1
manufacturer's article number of DIAZED fuse usable5SB2711; Maximum operating voltage 500 V! These fuses have a smaller rated current than the semiconductor relays.
noteMaximum operating voltage 500 V! These fuses have a smaller rated current than the semiconductor relays.