> SIEMENS>CONTROL AND CONTACTORS>Contactors for switching motors>3RF2120-2AA24 SIEMENS Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 110-230 V AC Spring-t..
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3RF2120-2AA24 SIEMENS Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 110-230 V AC Spring-t.. View larger
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3RF2120-2AA24 SIEMENS Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 110-230 V AC Spring-t..

3RF2120-2AA24

SIEMENS

Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 110-230 V AC Spring-type terminal

SIRIUS, 3RF2 solid state relay, width 22.5mm 20A 230-460V / 110-230VAC spring connection terminals. Manufactured to order. Non-Cancelable Non-Returnable.

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Low-voltage industrial components > Power contactor, AC switching

CONTROL AND CONTACTORS > Contactors for switching motors

* Brand new product in its original packaging covered by the warranties and certifications provided by SIEMENS

Total price: $69.61
Unit price: $69.61

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3+$56.77
4+$54.01
5+$53.36
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Technical data

Semiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 110-230 V AC Spring-type terminal
product brand nameSIRIUS
product designationsolid-state relay
design of the productsingle-phase
product type designation3RF21
General technical data
product functionzero-point switching
power loss [V∙A] maximum28.6 VA
power loss [W] for rated value of the current without load current share typical3.5 W
insulation voltage rated value600 V
type of voltage of the control supply voltageAC
surge voltage resistance of main circuit rated value6 kV
shock resistance according to IEC 60068-2-2715g / 11 ms
vibration resistance according to IEC 60068-2-62g
reference code according to IEC 81346-2Q
Substance Prohibitance (Date)05/28/2009
Main circuit
number of poles for main current circuit1
number of NO contacts for main contacts1
number of NC contacts for main contacts0
operating voltage at AC
● at 50 Hz rated value48 ... 460 V
● at 60 Hz rated value48 ... 460 V
operating frequency rated value50 ... 60 Hz
relative symmetrical tolerance of the operating frequency10 %
operating range relative to the operating voltage at AC
● at 50 Hz40 ... 506 V
● at 60 Hz40 ... 506 V
operational current
● at AC-51 rated value20 A
● according to UL 508 rated value20 A
ampacity maximum20 A
operational current minimum100 mA
rate of voltage rise at the thyristor for main contacts maximum permissible500 V/µs
blocking voltage at the thyristor for main contacts maximum permissible1 200 V
reverse current of the thyristor10 mA
derating temperature40 °C
surge current resistance rated value200 A
I2t value maximum200 A²·s
Control circuit/ Control
type of voltage of the control supply voltageAC
control supply voltage 1 at AC
● at 50 Hz110 ... 230 V
● at 60 Hz110 ... 230 V
control supply voltage frequency
● 1 rated value50 Hz
● 2 rated value60 Hz
control supply voltage at AC
● at 50 Hz full-scale value for signal<0> recognition40 V
● at 60 Hz full-scale value for signal<0> recognition40 V
control supply voltage
● at AC initial value for signal <1> detection90 V
symmetrical line frequency tolerance5 Hz
control current at minimum control supply voltage
● at AC2 mA
control current at AC rated value15 mA
ON-delay time40 ms; additionally max. one half-wave
OFF-delay time40 ms; additionally max. one half-wave
Auxiliary circuit
number of NC contacts for auxiliary contacts0
number of NO contacts for auxiliary contacts0
number of CO contacts for auxiliary contacts0
Installation/ mounting/ dimensions
fastening methodscrew fixing
● side-by-side mountingYes
tightening torque of fixing screw maximum1.5 N·m
tightening torque [lbf·in] of fixing screw maximum13 lbf·in
height85 mm
width22.5 mm
depth48 mm
Connections/ Terminals
type of electrical connection
● for main current circuitspring-loaded terminals
● for auxiliary and control circuitspring-loaded terminals
type of connectable conductor cross-sections
● for main contacts
— solid2x (0.5 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²)
— finely stranded without core end processing2x (0.5 ... 2.5 mm²)
● at AWG cables for main contacts2x (18 ... 14)
connectable conductor cross-section for main contacts
● solid or stranded0.5 ... 2.5 mm²
● finely stranded with core end processing0.5 ... 1.5 mm²
● finely stranded without core end processing0.5 ... 2.5 mm²
type of connectable conductor cross-sections
● for auxiliary and control contacts
— solid0.5 ... 1.5 mm²
— finely stranded with core end processing0.5 ... 2.5 mm²
— finely stranded without core end processing0.5 ... 2.5 mm²
● at AWG cables for auxiliary and control contacts1x (AWG 20 ... 12)
AWG number as coded connectable conductor cross section for main contacts14 ... 10
tightening torque
● for main contacts with screw-type terminals2 ... 2.5 N·m
stripped length of the cable
● for main contacts10 mm
● for auxiliary and control contacts10 mm
Safety related data
protection class IP on the front according to IEC 60529IP20
touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front
Ambient conditions
installation altitude at height above sea level maximum1 000 m
ambient temperature
● during operation-25 ... +60 °C
● during storage-55 ... +80 °C
Electromagnetic compatibility
conducted interference
● due to burst according to IEC 61000-4-42 kV / 5 kHz behavior criterion 2
● due to conductor-earth surge according to IEC 61000-4-52 kV behavior criterion 2
● due to conductor-conductor surge according to IEC 61000-4-51 kV behavior criterion 2
● due to high-frequency radiation according to IEC 61000-4-6140 dBuV in the frequency range 0.15 ... 80 MHz, behavior criterion 1
field-based interference according to IEC 61000-4-380 MHz ... 1 GHz 10 V/m, behavior criterion 1
electrostatic discharge according to IEC 61000-4-24 kV contact discharging / 8 kV air discharging, behavior criterion 2
conducted HF interference emissions according to CISPR11Class A for industrial environment
field-bound HF interference emission according to CISPR11Class 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 usable3NE1813-0; These fuses have a smaller rated current than the semiconductor relays
● of full range R fuse link for semiconductor protection at cylindrical design usable5SE1320
● of back-up R fuse link for semiconductor protection at NH design usable3NE8015-1
● of back-up R fuse link for semiconductor protection at cylindrical design 10 x 38 mm usable3NC1016; These fuses have a smaller rated current than the semiconductor relays
● of back-up R fuse link for semiconductor protection at cylindrical design 14 x 51 mm usable3NC1425
● of back-up R fuse link for semiconductor protection at cylindrical design 22 x 58 mm usable3NC2220
manufacturer's article number of the gG fuse
● at NH design usable3NA6801; These fuses have a smaller rated current than the semiconductor relays
● at cylindrical design 14 x 51 mm usable3NW6101-1; These fuses have a smaller rated current than the semiconductor relays
manufacturer's article number
● of NEOZED fuse usable5SE2306; These fuses have a smaller rated current than the semiconductor relays
Certificates/ approvals

Downloads and manuals

General Product ApprovalEMCDeclaration of Conformity

CSA

Confirmation

UR

EAC

RCM

EC/EU-Declaration of Conformity

Test CertificatesotherRailway

Special Test Certificate

Type Test Certificates/Test Report

Confirmation

Household and similar appliances

Vibration and Shock

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
Cax online generator
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
last modified:1/12/2022
Date
5/14/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3RF2120-2AA24
Product DescriptionSemiconductor relay, 1-phase 3RF2 Width 22.5 mm, 20 A 48-460 V / 110-230 V AC Spring-type terminal
Product familySIRIUS 3RF2 solid-state relays and solid-state contactors
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41C / 41C
Surcharge for Raw MaterialsNone
Metal FactorNone
Delivery information
Export Control RegulationsAL : N / ECCN : EAR99
Standard lead time ex-works40 Day/Days
Net Weight (kg)0,071 Kg
Packaging Dimension46,00 x 106,00 x 50,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209574083
UPC754554860695
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group3725
Group CodeR711
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 28.05.2009
Product classC: products manufactured / produced to order, which cannot be reused or re-utilised or be returned against credit.
WEEE (2012/19/EU) Take-Back ObligationYes
REACH Art. 33 Duty to inform according to the current list of candidates

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead monoxide (lead oxide)

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Classifications
VersionClassification
eClass627-37-10-14
eClass7.127-37-10-14
eClass827-37-10-14
eClass927-37-10-14
eClass9.127-37-10-14
ETIM6EC002055
ETIM7EC002055
ETIM8EC002055
IDEA45365
UNSPSC1439-12-23-33
UNSPSC1539-12-23-30

ETIM data

ETIM: EC000066 - Power contactor, AC switching

Value Unit
Rated operation power NEMA (EF011960) -kW
Rated control supply voltage Us at AC 50HZ (EF003978) ['110', '230']V
Rated control supply voltage Us at AC 60HZ (EF003979) ['110', '230']V
Rated control supply voltage Us at DC (EF003980) ['-', '-']V
Voltage type for actuating (EF008242) AC
Rated operation current Ie at AC-1, 400 V (EF001393) 20A
Rated operation current Ie at AC-3, 400 V (EF001392) -A
Rated operation current Ie at AC-4, 400 V (EF008495) -A
Modular version (EF001126) true
Number of auxiliary contacts as normally open contact (EF001376) 0
Number of auxiliary contacts as normally closed contact (EF001377) 0
Type of electrical connection of main circuit (EF006819) Spring clamp connection
Number of normally closed contacts as main contact (EF001375) 0
Number of main contacts as normally open contact (EF001374) 1
Rated operation power at AC-4, 400 V (EF008496) -kW
Rated operation power at AC-3, 400 V (EF001364) -kW


Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
3RF2120-2AA24 3RF2120-2AA24 EN_3RF2120-2AA24.pdf 303 Kbytes 3RF2120-2AA24 3RF2120-2AA24 EN_3RF2120-2AA24.pdf

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