Data Sheet
Reference code / acc. to DIN EN 81346-2 Q
Reference code / acc. to DIN EN 61346-2 Q
Main circuit
Number of poles / for main current circuit 3
Number of NO contacts / for main contacts 2
Number of NC contacts / for main contacts 0
Operating voltage / at AC
● at 50 Hz / rated value
48...600V
● at 60 Hz / rated value
48...600V
Operating frequency / rated value 50...60Hz
Relative symmetrical tolerance / of the operating
frequency
10%
Operating range relative to the operating voltage / at
AC
● at 50 Hz
40...660V
● at 60 Hz
40...660V
Operating current / minimum 500mA
Operating current
● at AC-1 / at 400 V / rated value
40A
● at AC-51 / rated value
40A
Rate of voltage rise / at the thyristor / for main
contacts / maximum permissible
1000V/µs
Blocking voltage / at the thyristor / for main contacts /
maximum permissible
1600V
Reverse current / of the thyristor 10mA
Derating temperature 40°C
Surge current resistance / rated value 1150A
I2t value / maximum 6600A²·s
Control circuit/ Control
Type of voltage / of the control supply voltage DC
Control supply voltage / 1
● at DC / rated value
30V
● at DC
4...30V
Control supply voltage
● at DC / initial value for signal <1> detection
4V
● at DC / Full-scale value for signal<0>
recognition
1V
Symmetrical line frequency tolerance 5Hz
Control current / at minimum control supply voltage
● at DC
22mA
Control current / at DC / rated value 30mA
Switch-on delay time 1ms; additionally max. one half-wave
Number of NC contacts / for auxiliary contacts 0
3RF2440-1AB45 Subject to change without notice
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09/13/2019 © Copyright Siemens