Solid-State Switching Devices for Resistive Loads Solid-State Relays 3RF22 solid-state relays, three-phase, 45 mm ■ Overview 45 mm solid-state relays The 3RF22 solid-state relays with a width of 45 mm provide space advantages over solutions with single-phase versions. The logical connection method, with the power infeed from above and load connection from below, ensures tidy installation in the control cabinet. Important features: • LED display • Variety of connection methods • Plug-in control connection • Degree of protection IP20 • Zero-point switching • Two- or three-phase controlled ■ Technical specifications 1) These products were built as Class A devices.
The use of these devices in residential areas could result in lead in radio interference. In this case these may be required to introduce additional interference suppression measures. 2) If two different conductor cross-sections are connected to one clamping point, both cross-sections must lie in the range specified. If identical cross-sections are used, this restriction does not apply. 19 Siemens · 2009 Type 3RF22 ..-1.... 3RF22 ..-2.... 3RF22 ..-3.... General data Ambient temperature • During operation, derating from 40 °C °C • During storage °C -25 ... + 60 -55 ... + 80 Installation altitude m 0 ... 1000; > 1000 ask Technical Assistance Shock resistance g/ms acc.
to IEC 60068-2-27 15/11 Vibration resistance g acc. to IEC 60068-2-6 2 Degree of protection IP20 Insulation strength at 50/60 Hz V rms (main/control circuit to floor) 4000 Electromagnetic compatibility (EMC) • Emitted interference - Conducted interference voltage acc. to IEC 60947-4-3 - Emitted, high-frequency interference voltage acc. to IEC 60947-4-3 • Interference immunity - Electrostatic discharge kV acc. to IEC 61000-4-2 (corresponds to degree of severity 3) - Induced RF fields MHz acc. to IEC 61000-4-6 - Burst acc. to IEC 61000-4-4 kV - Surge acc.
to IEC 61000-4-5 kV Class A for industrial applications1) Class A for industrial applications Contact discharge 4; air discharge 8; behavior criterion 2 0.15 ... 80; 140 dBµV; behavior criterion 1 2/5.0 kHz; behavior criterion 1 Conductor - ground 2; conductor - conductor 1; behavior criterion 2 Connection type Screw terminals Spring-type terminals Ring terminal lug Connection, main contacts • Conductor cross-section - Solid mm2 - Finely stranded with end sleeve mm2 - Finely stranded without end sleeve mm2 - Solid or stranded, AWG cables • Stripped length mm • Terminal screw - Tightening torque, Nm ∅ 5 ... 6 mm, PZ 2 lb.in • Cable lug - Acc. to DIN 46234 - Acc.
to JIS C 2805 connection 2 x (1.5 ... 2.5)2), 2 x (2.5 ... 6)2) 2 x (0.5 ... 2.5) -- 2 x (1 ... 2.5)2), 2 x (2.5 ... 6)2), 1 x 10 2 x (0.5 ... 1.5) -- -- 2 x (0.5 ... 2.5) -- 2 x (AWG 14 ... 10) 2 x (AWG 18 ... 14) -- 10 10 M4 -- M5 2 ... 2.5 2.5 ... 2 18 ... 22 18 ... 22 -- -- 5-2.5 ... 5-25 R 2-5 ... 14-5 Connection, auxiliary/control contacts • Conductor cross-section, mm with or without end sleeve AWG • Stripped length mm • Terminal screw - Tightening torque, Nm ∅ 3.5, PZ 1 lb.in 1 x (0.5 ... 2.5), 2 x (0.5 ... 1.0) 20 ... 12 0.5 ... 2.5 20 ... 12 1 x (0.5 ... 2.5), 2 x (0.5 ... 1.0) 20 ... 12 7 10 7 M3 -- M3 0.5 ... 0.6 0.5 ... 0.6 4.5 ... 5.3 4.5 ... 5.3