3RF2255-2AC45

**3RF2255-2AC45** 

**Data sheet** 

||***phase-out type*** semiconductor relay, 3-phase 3RF2 55 A / 40 °C 48-600 V / 4-<br>30 V DC 3-phase controlled spring-loaded terminal blocking voltage 1200 V for<br>mounting on available cooling surfaces|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|solid-state relay|
|**design of theproduct**|3-pole controlled|
|**product type designation**|3RF22|
|**manufacturer's article number**||
|●_2 of the accessories that can be ordered|3RF2900-0EA18|
|**product designation**||
|● _2 of the accessories that can be ordered|converter|
|**General technical data**<br>~~|~~||
|**product function**<br>~~|~~|zero-point switching<br>~~|~~|
|**power loss[W] for rated value of the current**||
|● at AC in hot operatingstate|226 W|
|● at AC in hot operatingstateperpole|226 W|
|● without load current share typical|0.5 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)**|07/01/2006|
|**SVHC substance name**|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**|0.133 kg|
|**Main circuit**<br>~~|~~||
|**number ofpoles for main current circuit**<br>~~|~~|3<br>~~|~~|
|**number of NO contacts for main contacts**|3|
|**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|48 ... 600 V|
|— at 60 Hz rated value|48 ... 600 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|40 ... 660 V|
|● at 60 Hz|40 ... 660 V|
|**operational current rated value maximum**|55 A|
|**operational current**||
|● at AC-1 at 400 V rated value|55 A|
|● at AC-51 rated value|20 A|
|● accordingto UL 508 rated value|20 A|
|**ampacity maximum**|55 A|
|**operational current minimum**|500 mA|
|**rate of voltage rise at the thyristor for main contacts**<br>**maximum permissible**|100 V/µs|



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|**blocking voltage at the thyristor for main contacts**<br>**maximumpermissible**|1 200 V|
|---|---|
|**reverse current of the thyristor**|10 mA|
|**derating temperature**|40 °C|
|**surge current resistance rated value**|600 A|
|**I2t value maximum**|1 800 A²·s|
|**Control circuit/ Control**||
|**type of voltage of the control supply voltage**|DC|
|**control supply voltage 1 at DC**|4 ... 30 V|
|**control supply voltage at DC**||
|● initial value for signal <1> detection|4 V|
|● full-scale value for signal<0> recognition|1 V|
|**control current at minimum control supply voltage**||
|● at DC|22 mA|
|control current at DC rated value|30 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**|95 mm|
|**width**|45 mm|
|**depth**|47 mm|
|**Connections/ Terminals**||
|**product component removable terminal for auxiliary and**<br>**control circuit**|Yes|
|**type of electrical connection**||
|● for main current circuit|spring-loaded terminals|
|● for auxiliaryand control circuit|spring-loaded terminals|
|**type of connectable conductor cross-sections**||
|● for main contacts||
|— solid|2x(0.5 ... 2.5 mm²)|
|— finelystranded with core endprocessing|2x(0.5 ... 1.5 mm²)|
|— finelystranded without core endprocessing|2x(0.5 ... 2.5 mm²)|
|● for AWG cables for main contacts|2x(18 ... 14)|
|**connectable conductor cross-section for main contacts**||
|● solid or stranded|0.5 ... 2.5 mm²|
|● finelystranded with core endprocessing|0.5 ... 1.5 mm²|
|● finelystranded without core endprocessing|0.5 ... 2.5 mm²|
|**type of connectable conductor cross-sections**||
|● for auxiliaryand control contacts||
|— solid|0.5 ... 1.5 mm²|
|— finelystranded with core endprocessing|0.5 ... 2.5 mm²|
|— finelystranded without core endprocessing|0.5 ... 2.5 mm²|
|● for AWG cables for auxiliaryand control contacts|1x(20 ... 12)|
|**AWG number as coded connectable conductor cross**<br>**section for main contacts**|10 ... 14|
|**tightening torque**||
|● for main contacts with screw-type terminals|2 ... 2.5 N·m|
|**design of the thread of the connection screw**||
|● for main contacts|M4|
|**stripped length of the cable**||
|● for main contacts|10 mm|
|● for auxiliaryand control contacts|10 mm|
|**UL/CSA ratings**||
|**operational current according to UL 508 rated value**|20 A|



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|Electrical Safety<br>~~|:~~|Electrical Safety<br>~~|:~~|Electrical Safety<br>~~|:~~|
|---|---|---|
|**touch protection on the front according to IEC 60529**<br>~~|:~~||finger-safe, for vertical contact from the front<br>~~|:~~|
|**Ambient conditions**<br>~~a~~|||
|installation altitude at height above sea level maximum<br>~~a~~||1 000 m<br>~~a~~|
|**ambient temperature**|||
|● duringoperation||-25 ... +60 °C|
|● duringstorage||-55 ... +80 °C|
|**Electromagnetic compatibility**<br>~~|~~|||
|**conducted interference**<br>~~|~~||~~|~~|
|● 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|
|**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**<br>~~ee~~||Class A for industrial environment<br>~~ee~~|
|**field-bound HF interference emission according to CISPR11**<br>~~ee~~||Class A for industrial environment<br>~~ee~~|
|**Short-circuit protection, design of the fuse link**|||
|manufacturer's article number|||
|● of full range R fuse link for semiconductor protection at<br>NH design usable||3NE1803-0; These fuses have a smaller rated current than the semiconductor<br>relays|
|● of back-up R fuse link for semiconductor protection at NH<br>design usable||3NE8018-1|
|● of back-up R fuse link for semiconductor protection at<br>cylindrical design 14 x 51 mm usable||3NC1450; These fuses have a smaller rated current than the semiconductor<br>relays|
|● of back-up R fuse link for semiconductor protection at<br>cylindrical design 22 x 58 mm usable||3NC2250; These fuses have a smaller rated current than the semiconductor<br>relays|
|manufacturer's article number of the gG fuse at NH design<br>usable|||
|● up to 460 V||3NA3807-6; These fuses have a smaller rated current than the semiconductor<br>relays|
|● up to 600 V<br>~~a~~||3NA3805-6; These fuses have a smaller rated current than the semiconductor<br>relays<br>~~a~~|
|**Approvals Certificates**<br>~~a~~|||
|**Environment**<br>~~a~~|**General Product Approval**<br>~~a~~||



## ~~a~~ **Approvals Certificates** 

|**Approvals Certificates**<br>~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|
|---|---|---|---|---|---|
|**Environment**||**General Product Approval**||||
|Environmental Con-||||||
|firmations||||||
|||||||
|**General Product Ap-**<br>**proval**|**EMV**|**Test Certificates**|**other**|||
|UK||Type Test Certific-<br>ates/Test Report<br>~~—_-—~~|Confirmation<br>~~TT~~|Miscellaneous<br>~~TO~~|Confirmation|
|**other**||||||



**Further information** ~~Se~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **Information for data generation and storage** https://support.industry.siemens.com/cs/ww/en/view/109995012 

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