Solid-State Switching Devices for Resistive Loads Solid-State Contactors 3RF24 solid-state contactors, three-phase Order No. 1) The type current provides information about the performance of the solid- state contactor. The actual permitted rated operational current I e can be smaller depending on the connection method and start-up conditions. For derating see the characteristic curves on page 38. 36 Siemens · 2009 Type current Rated operational current Ie Power loss at IAC-51 Minimum load current Max. leakage current Rated impulse withstand capacity Itsm I2t value IAC-51 at 40 °C Acc. to IEC 60947-4-3 for 40 °C Acc.
to UL/CSA for 50 °C A A W A mA A Main circuit 10.5 7 7 23 0.1 10 200 200 22 15 15 44 0.5 10 600 1800 30 22 22 61 0.5 10 1200 7200 40 30 30 80 0.5 10 1150 6600 50 38 38 107 0.5 10 1150 6600 10.5 7 7 31 0.1 10 300 450 22 15 15 66 0.5 10 600 1800 30 22 22 91 0.5 10 1200 7200 40 30 30 121 0.5 10 1150 6600 50 38 38 160 0.5 10 1150 6600 Type 3RF24 ..-.AB.5 3RF24 ..-.AC.5 Main circuit Controlled phases Two-phase Three-phase Rated operational voltage Ue V • Operating range V • Rated frequency Hz 48 ... 600 48 ... 600 40 ... 660 40 ...
660 50/60 ± 10 % 50/60 ± 10 % Rated insulation voltage Ui V 600 600 Rated impulse withstand voltage Uimp kV 6 6 Blocking voltage V 1200 1200 Rage of voltage rise V/µs 1000 1000 Type 3RF24 ..-...3. 3RF24 ..-...4. 3RF24 ..-...5. Control circuit Method of operation AC operation DC operation AC operation Rated control supply voltage Us V 110 4 ... 30 190 ... 230 Rated frequency Hz of the control supply voltage 50/60 ± 10 % -- 50/60 ± 10 % Actuating voltage, max. V 121 30 253 Typical actuating current mA 15 30 15 Response voltage V 90 4 180 Drop-out voltage V Operating times • ON-delay ms • OFF-delay ms 40 + max. one half-wave 1 + max. one half-wave 40 + max. one half-wave 40 + max.
one half-wave 1 + max. one half-wave 40 + max. one half-wave