3RF2120-1AA02

**3RF2120-1AA02** 

**Data sheet** 

***phase-out type*** semiconductor relay, 1-phase 3RF2 width 22.5 mm, 20 A 24230 V / 24 V DC screw terminal for mounting on available cooling surfaces 

|»s.|***phase-out type*** semiconductor relay, 1-phase 3RF2 width 22.5 mm, 20 A 24-<br>230 V / 24 V DC screw terminal for mounting on available cooling surfaces|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|solid-state relay|
|**design of theproduct**|1-pole|
|**product type designation**|3RF21|
|**manufacturer's article number**||
|●_1 of the accessories that can be ordered|3RF2900-3PA88|
|●_2 of the accessories that can be ordered|3RF2920-0HA13|
|●_3 of the accessories that can be ordered|3RF2900-0EA18|
|●_4 of the accessories that can be ordered|3RF2920-0GA13|
|●_5 of the accessories that can be ordered|3RF2920-0FA08|
|**product designation**||
|●_1 of the accessories that can be ordered|terminal cover|
|●_2 of the accessories that can be ordered|power regulator|
|●_3 of the accessories that can be ordered|converter|
|●_4 of the accessories that can be ordered|load monitoring|
|● _5 of the accessories that can be ordered|load monitoring, basis|
|**General technical data**<br>~~I~~||
|**product function**<br>~~I~~|zero-point switching<br>~~I~~|
|**power loss[V·A] maximum**|28.6 VA|
|**power loss[W] for rated value of the current**||
|● at AC in hot operatingstate|28.6 W|
|● at AC in hot operatingstateperpole|28.6 W|
|● without load current share typical|0.4 W|
|**insulation voltage rated value**|600 V|
|surge voltage resistance of main circuit rated value|6 kV|
|**protection class IP**|IP20|
|protection class IP on the front accordingto IEC 60529|IP20|
|**shock resistance according to IEC 60068-2-27**|15g/ 11 ms|
|**vibration resistance according to IEC 60068-2-6**|2g|
|**reference code according to IEC 81346-2**|Q|
|**Substance Prohibitance(day/month/year)**|05/28/2009|
|**SVHC substance name**|Lead CAS-No. 7439-92-1<br>Lead monoxide (lead oxide) CAS-No. 1317-36-8<br>2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-<br>10-5<br>Melamine CAS-No. 108-78-1|
|**Net Weight**|0.071 kg|
|**Main circuit**<br>~~a~~||
|**number ofpoles for main current circuit**<br>~~a~~|1<br>~~a~~|
|**number of NO contacts for main contacts**|1|



|**Net Weight**|0.071 kg|
|---|---|
|**Main circuit**<br>~~a~~||
|**number ofpoles for main current circuit**|1|
|**number of NO contacts for main contacts**|1|



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|**number of NC contacts for main contacts**|0|
|---|---|
|**type of voltage of the operating voltage**|AC|
|**operating voltage**||
|● at AC||
|— at 50 Hz rated value|24 ... 230 V|
|— at 60 Hz rated value|24 ... 230 V|
|**operating frequency rated value**|50 ... 60 Hz|
|**relative symmetrical tolerance of the operating frequency**|10 %|
|**operating range relative to the operating voltage at AC**||
|● at 50 Hz|20 ... 253 V|
|● at 60 Hz|20 ... 253 V|
|**operational current rated value maximum**|20 A|
|**operational current**||
|● at AC-1 at 400 V rated value|20 A|
|● at AC-51 rated value|20 A|
|● accordingto UL 508 rated value|20 A|
|**ampacity maximum**|20 A|
|**operational current minimum**|100 mA|
|**rate of voltage rise at the thyristor for main contacts**<br>**maximumpermissible**|500 V/µs|
|**blocking voltage at the thyristor for main contacts**<br>**maximumpermissible**|800 V|
|**reverse current of the thyristor**|10 mA|
|**derating temperature**|40 °C|
|**surge current resistance rated value**|200 A|
|**I2t value maximum**|200 A²·s|
|**Control circuit/ Control**||
|**type of voltage of the control supply voltage**|DC|
|**control supply voltage 1 at DC rated value maximum**<br>**permissible**|30 V|
|**control supply voltage 1 at DC**|15 ... 24 V|
|**control supply voltage at DC**||
|● initial value for signal <1> detection|15 V|
|● full-scale value for signal<0> recognition|5 V|
|**control current at minimum control supply voltage**||
|● at DC|13 mA|
|control current at DC rated value|15 mA|
|**ON-delay time**|1 ms; additionallymax. one half-wave|
|**OFF-delay time**|1 ms; additionallymax. one half-wave|
|**Installation/ mounting/ dimensions**||
|fasteningmethod side-by-side mounting|Yes|
|**fastening method**|screw fixing|
|**design of the thread of the screw for securing the**<br>**equipment**|M4|
|**tightening torque of fixing screw maximum**|1.5 N·m|
|**tightening torque[lbf·in] of fixing screw maximum**|13 lbf·in|
|**height**|85 mm|
|**width**|22.5 mm|
|**depth**|48 mm|
|**Connections/ Terminals**||
|**product component removable terminal for auxiliary and**<br>**control circuit**|Yes|
|**type of electrical connection**||
|● for main current circuit|screw-type terminals|
|● for auxiliaryand control circuit|screw-type terminals|
|**type of connectable conductor cross-sections**||
|● for main contacts||
|— solid|2x(1.5 ... 2.5 mm²), 2x(2.5 ... 6 mm²)|
|— finelystranded with core endprocessing|2x(1 ... 2.5 mm²), 2x(2.5 ... 6 mm²), 1x 10 mm²|
|● for AWG cables for main contacts|2x (14 ... 10)|



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|**connectable conductor cross-section for main contacts**||
|---|---|
|● solid or stranded|1.5 ... 6 mm²|
|● finelystranded with core endprocessing|1 ... 10 mm²|
|**type of connectable conductor cross-sections**||
|● for auxiliaryand control contacts||
|— solid|1x(0.5 ... 2.5 mm²), 2x(0.5 ... 1 mm²)|
|— finelystranded with core endprocessing|1x(0.5 ... 2.5 mm²), 2x(0.5 ... 1 mm²)|
|— finelystranded without core endprocessing|1x(0.5 ... 2.5 mm²), 2x(0.5 ... 1 mm²)|
|● for AWG cables for auxiliaryand control contacts|1x(20 ... 12)|
|**AWG number as coded connectable conductor cross**<br>**section for main contacts**|14 ... 10|
|**tightening torque**||
|● for main contacts with screw-type terminals|2 ... 2.5 N·m|
|● for auxiliary and control contacts with screw-type<br>terminals|0.5 ... 0.6 N·m|
|**tightening torque[lbf·in]**||
|● for main contacts with screw-type terminals|7 ... 10.3 lbf·in|
|● for auxiliary and control contacts with screw-type<br>terminals|4.5 ... 5.3 lbf·in|
|**design of the thread of the connection screw**||
|● for main contacts|M4|
|● of the auxiliaryand control contacts|M3|
|**stripped length of the cable**||
|● for main contacts|10 mm|
|● for auxiliaryand control contacts|7 mm|
|**UL/CSA ratings**||
|**operational current according to UL 508 rated value**|20 A|
|Electrical Safety||
|**touch protection on the front according to IEC 60529**|finger-safe, for vertical contact from the front|
|**Ambient conditions**||
|installation altitude at height above sea level maximum|1 000 m|
|**ambient temperature**||
|● duringoperation|-25 ... +60 °C|
|● duringstorage|-55 ... +80 °C|
|**Electromagnetic compatibility**||
|**conducted interference**||
|● due to burst accordingto IEC 61000-4-4|2 kV / 5 kHz, behavior criterion 2|
|● due to conductor-earth surge accordingto IEC 61000-4-5|2 kV, behavior criterion 2|
|● due to conductor-conductor surge according to IEC<br>61000-4-5|1 kV, behavior criterion 2|
|● due to high-frequency radiation according to IEC 61000-<br>4-6|140 dBuV in the frequency range 0.15 ... 80 MHz, behavior criterion 1|
|**field-based interference according to IEC 61000-4-3**|80 MHz ... 1 GHz 10 V/m, behavior criterion 1|
|**electrostatic discharge according to IEC 61000-4-2**|4 kV contact discharging/ 8 kV air discharging, behavior criterion 2|
|**conducted HF interference emissions according to**<br>**CISPR11**|Class A for industrial environment|
|**field-bound HF interference emission according to CISPR11**|Class B for the domestic, business and commercial environments|
|**Short-circuit protection, design of the fuse link**||
|manufacturer's article number||
|● of gS fuse for semiconductor protection at NH design<br>usable|3NE1814-0|
|● of full range R fuse link for semiconductor protection at<br>cylindrical design usable|5SE1325|
|● of back-up R fuse link for semiconductor protection at NH<br>design usable|3NE8015-1|
|● of back-up R fuse link for semiconductor protection at<br>cylindrical design 10 x 38 mm usable|3NC1032|
|● of back-up R fuse link for semiconductor protection at<br>cylindrical design 14 x 51 mm usable|3NC1430|
|● of back-up R fuse link for semiconductor protection at<br>cylindrical design 22 x 58 mm usable|3NC2225|
|manufacturer's article number of the gG fuse||



Subject to change without notice © Copyright Siemens 

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   - at NH design usable 3NA6803; These fuses have a smaller rated current than the semiconductor relays 

   - ● at NH design usable note These fuses have a smaller rated current than the semiconductor relays ● at cylindrical design 10 x 38 mm usable 3NW6001-1; These fuses have a smaller rated current than the semiconductor relays 

   - ● at cylindrical design 10 x 38 mm usable note These fuses have a smaller rated current than the semiconductor relays ● at cylindrical design 14 x 51 mm usable 3NW6101-1; These fuses have a smaller rated current than the semiconductor relays 

   - ● at cylindrical design 14 x 51 mm usable noteylindrical design 14 x 51 mm usable notelindrical design 14 x 51 mm usable notegn 14 x 51 mm usable noten 14 x 51 mm usable note These fuses have a smaller rated current than the semiconductor relays 

   - manufacturer's article number ● of NEOZED fuse usable 5SE2306; These fuses have a smaller rated current than the semiconductor relays 

- at cylindrical design 14 x 51 mm usable noteylindrical design 14 x 51 mm usable notelindrical design 14 x 51 mm usable notegn 14 x 51 mm usable noten 14 x 51 mm usable note 

- manufacturer's article number 

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**last modified:** 

Subject to change without notice © Copyright Siemens 

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