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SIEMENS 3RA2811-1CW10 3RA2811-1CW10 SIEMENS Electronic timing relay ON delay with semiconductor output 24-240 V AC/DC Time range 0.. View larger
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3RA2811-1CW10 SIEMENS Electronic timing relay ON delay with semiconductor output 24-240 V AC/DC Time range 0..

3RA2811-1CW10

28111

SIEMENS

1 Pcs.

Electronic timing relay ON delay with semiconductor output 24-240 V AC/DC Time range 0.05...100 s can be snapped on at the front for contactors 3RT2 S00/S0 and auxiliary contactor 3RH2 S00 Screw terminal Varistor for attenuation of the contactor coils integrated

Automation > Timer block
Contactors for switching motors

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Product Overview

The Siemens 3RA2811-1CW10 electronic timing relay provides dependable on-delay functionality with a solid-state output for high-frequency switching tasks in electrical cabinets. Timing relays are essential components in industrial control systems, used extensively to regulate process timing, pump operations, and conveyor sequencing. Pricing, availability and lead time are confirmed per enquiry through an RFQ.

  • product designation: function module
  • product type designation: 3RA28
  • product component semi-conductor output: Yes
  • product extension required remote control: No
  • product extension optional remote control: No
  • test voltage for isolation test: 1.5 kV
  • degree of pollution: 3
  • surge voltage resistance rated value: 4 kV
  • test voltage for surge voltage test: 4 800 V
  • protection class IP of the terminal: IP20
  • shock resistance according to IEC 60068-2-27: 15g / 11 ms
  • vibration resistance according to IEC 60068-2-6: 10 ... 59 Hz: 0.35 mm, 60 ... 150 Hz: 2g
  • mechanical service life (switching cycles) typical: 100 000 000
  • ● with contactor 3R.2 of frame size S00: 10 000 000
  • ● with contactor 3R.2 of frame size S0: 10 000 000
  • adjustable time: 0.05 ... 100 s

More info

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Technical data

Electronic timing relay ON delay with semiconductor output 24-240 V AC/DC Time range 0.05...100 s can be snapped on at the front for contactors 3RT2 S00/S0 and auxiliary contactor 3RH2 S00 Screw terminal Varistor for attenuation of the contactor coils integrated
product brand nameSIRIUS
product designationfunction module
product type designation3RA28
General technical data
size of contactor can be combined company-specificS00, S0
product component semi-conductor outputYes
product extension required remote controlNo
product extension optional remote controlNo
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value300 V
test voltage for isolation test1.5 kV
degree of pollution3
surge voltage resistance rated value4 kV
test voltage for surge voltage test4 800 V
protection class IP of the terminalIP20
shock resistance according to IEC 60068-2-2715g / 11 ms
vibration resistance according to IEC 60068-2-610 ... 59 Hz: 0.35 mm, 60 ... 150 Hz: 2g
mechanical service life (switching cycles) typical100 000 000
electrical endurance (switching cycles) at AC-15 at 230 V typical10 000 000
electrical endurance (switching cycles)
● with contactor 3R.2 of frame size S0010 000 000
● with contactor 3R.2 of frame size S010 000 000
adjustable time0.05 ... 100 s
relative setting accuracy relating to full-scale value15 %
recovery time50 ms
reference code according to IEC 81346-2K
relative repeat accuracy1 %
influence of the surrounding temperature±1 %
power supply influence±1 %
Substance Prohibitance (Date)10/01/2009
Product Function
product function star-delta circuitNo
Control circuit/ Control
type of voltage of the control supply voltageAC/DC
control supply voltage 1 at AC
● at 50 Hz24 ... 240 V
● at 60 Hz24 ... 240 V
control supply voltage frequency 150 ... 60 Hz
control supply voltage 1
● at DC24 ... 240 V
operating range factor control supply voltage rated value at DC
● initial value0.85
● full-scale value1.1
operating range factor control supply voltage rated value at AC at 50 Hz
● initial value0.85
● full-scale value1.1
operating range factor control supply voltage rated value at AC at 60 Hz
● initial value0.85
● full-scale value1.1
design of the surge suppressorwith varistor
Switching Function
switching function
● ON-delayYes
● ON-delay/instantaneous contactNo
● passing make contactNo
● passing make contact/instantaneous contactNo
● OFF delayNo
switching function
● flashing symmetrically with interval start/instantaneousNo
● flashing symmetrically with interval startNo
● flashing symmetrically with pulse start/instantaneousNo
● flashing symmetrically with pulse startNo
● flashing asymmetrically with interval startNo
● flashing asymmetrically with pulse startNo
switching function
● constant clock cycle with pulse startNo
● constant clock cycle with interval startNo
switching function
● variably clocked with pulse startNo
● variably clocked with interval startNo
switching function
● star-delta circuit with delay timeNo
● star-delta circuitNo
switching function with control signal
● additive ON-delayNo
● passing break contactNo
● passing break contact/instantaneousNo
● OFF delayNo
● OFF delay/instantaneousNo
● pulse delayedNo
● pulse delayed/instantaneousNo
● pulse-shapingNo
● pulse-shaping/instantaneousNo
● additive ON-delay/instantaneousNo
● ON-delay/OFF-delayNo
● ON-delay/OFF-delay/instantaneousNo
● passing make contactNo
● passing make contact/instantaneous contactNo
switching function of interval relay with control signal
● retrotriggerable with deactivated control signal/instantaneous contactNo
● retrotriggerable with switched-on control signalNo
● retrotriggerable with switched-on control signal/instantaneous contactNo
● retriggerable with deactivated control signalNo
design of the control terminal non-floatingNo
Auxiliary circuit
number of NO contacts
● delayed switching1
operating frequency with 3RT2 contactor maximum2 500 1/h
Main circuit
type of voltageAC/DC
Inputs/ Outputs
product function
● non-volatileNo
residual current maximum5 mA
Electromagnetic compatibility
EMC immunity according to IEC 61812-1Environment A (industrial area)
conducted interference
● due to burst according to IEC 61000-4-42 kV network connection / 1 kV control connection
● due to conductor-earth surge according to IEC 61000-4-52 kV
● due to conductor-conductor surge according to IEC 61000-4-51 kV
field-based interference according to IEC 61000-4-310 V/m
electrostatic discharge according to IEC 61000-4-28 kV
Safety related data
protection class IP on the front according to IEC 60529IP20
type of insulationBasic insulation
category according to EN 954-1none
Connections/ Terminals
product component removable terminal for auxiliary and control circuitYes
type of electrical connection for auxiliary and control circuitscrew-type terminals
type of connectable conductor cross-sections
● solid0.5 ... 4 mm², 2x (0.5 ... 2.5 mm²)
● finely stranded with core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
● at AWG cables solid2x (20 ... 14)
● at AWG cables stranded2x (20 ... 14)
connectable conductor cross-section
● solid0.5 ... 4 mm²
● finely stranded with core end processing0.5 ... 2.5 mm²
● finely stranded without core end processing0.25 ... 1.5 mm²
AWG number as coded connectable conductor cross section
● solid20 ... 14
● stranded20 ... 14
Installation/ mounting/ dimensions
mounting positionany (like contactor)
fastening methodclip-on
height38 mm
width45 mm
depth74 mm
required spacing
● with side-by-side mounting
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
● for grounded parts
— forwards0 mm
— backwards0 mm
— upwards0 mm
— at the side0 mm
— downwards0 mm
● for live parts
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
Ambient conditions
installation altitude at height above sea level maximum2 000 m
ambient temperature
● during operation-25 ... +60 °C
● during storage-40 ... +85 °C
● during transport-40 ... +85 °C
relative humidity during operation0 ... 95 %
Certificates/ approvals

Downloads and manuals

General Product ApprovalDeclaration of ConformityTest Certificates

Confirmation

UL

EAC

EC/EU-Declaration of Conformity

UK Declaration of Conformity

Special Test Certificate

Test CertificatesMarine / Shipping

Type Test Certificates/Test Report

ABS (American Bureau of Shipping)

BV / Bureau Veritas

DNV / Det Norske Veritas

LR (Lloyds Register)

PRS / Polski Rejestr Statkow

Marine / ShippingotherRailway

RINA / Registro Italiano Navale

RMRS / Russian Maritime Register

Confirmation

Vibration and Shock

Further information
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Characteristic: Derating
last modified:12/19/2020
Date
5/6/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3RA2811-1CW10
Product DescriptionElectronic timing relay ON delay with semiconductor output 24-240 V AC/DC Time range 0.05...100 s can be snapped on at the front for contactors 3RT2 S00/S0 and auxiliary contactor 3RH2 S00 Screw terminal Varistor for attenuation of the contactor coils integrated
Product family3RA28 function modules
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41B / 41B
Surcharge for Raw MaterialsNone
Metal FactorNone
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-works60 Day/Days
Net Weight (kg)0,075 Kg
Packaging Dimension50,00 x 105,00 x 45,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209789845
UPC040892574661
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group5347
Group CodeR711
Country of originCzech Republic
Compliance with the substance restrictions according to RoHS directiveSince: 01.10.2009
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
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
eClass627-37-13-08
eClass7.127-37-13-08
eClass827-37-13-08
eClass927-37-13-08
eClass9.127-37-13-08
ETIM5EC002060
ETIM6EC002060
ETIM7EC002060
ETIM8EC002060
IDEA45363
UNSPSC1439-12-15-21
UNSPSC1539-12-23-29

ETIM data

ETIM: EC002060 - Timer block

Value Unit
Switching function (EF000189) Operating delayed
Setting time (EF005922) ['0.05', '100.0']s
Operating principle (EF004139) Electronic
Number of contacts as normally open contact (EF008256) -
Number of contacts as change-over contact (EF008257) -
Number of contacts as normally closed contact (EF008255) -



Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.