Data Sheet

ManualsBrandsSIEMENS ManualsTime Switches & Multifunction Relays3RA2812-1DW10 TDR 1 pc(s)

Data sheet 3RA2812-1DW10

Electronic timing relay OFF delay with control signal and

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 coil integrated

Product brand name SIRIUS

Product designation function module

Product type designation 3RA28

General technical data

Size of contactor can be combined company-specific S00, S0

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

● acc. to IEC 60068-2-27

15g / 11 ms

Mechanical service life (switching cycles)

● typical

100000000

3RA2812-1DW10 Subject to change without notice

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Summary of content (9 pages)

PAGE 1
Data sheet 3RA2812-1DW10 Electronic timing relay OFF delay with control signal and semiconductor output 24...240 V AC/DC Time range 0.05...
PAGE 2
Electrical endurance (switching cycles) ● at AC-15 at 230 V typical 10 000 000 Electrical endurance (switching cycles) ● 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 Relative setting accuracy relating to full-scale value 15 % Minimum ON period 35 ms Recovery time 50 ms Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750 K Reference code acc.
PAGE 3
● passing make contact/instantaneous contact No ● OFF delay Yes Switching function ● flashing symmetrically starting with interval/instantaneous No ● flashing symmetrically starting with interval No ● flashing symmetrically starting with pulse/instantaneous No ● flashing symmetrically starting with pulse No ● flashing asymmetrically starting with interval No ● flashing asymmetrically starting with pulse No Switching function ● fixed clock cycle beginning with pulse No ● fixed clock cycle b
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Design of the control terminal non-floating Yes Auxiliary circuit Number of NO contacts ● delayed switching 1 Operating frequency with 3RT2 contactor maximum 2 500 1/h Influence of the surrounding temperature ±1 % Power supply influence ±1 % Main circuit Type of voltage AC/DC Inputs/ Outputs Product function ● non-volatile No Electromagnetic compatibility EMI immunity ● acc. to IEC 61812-1 Environment A (industrial area) Conducted interference ● due to burst acc.
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● finely stranded with core end processing 0.5 ... 2.5 mm² ● finely stranded without core end processing 0.25 ... 1.5 mm² AWG number as coded connectable conductor cross section ● solid 20 ... 14 ● stranded 20 ...
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General Product Approval Declaration of Conformity Miscellaneous Test Certificates Special Test Certificate Type Test Certificates/Test Report Marine / Shipping other Confirmation Railway Vibration and Shock Further information Information- and Downloadcenter (Catalogs, Brochures,…) www.siemens.com/sirius/catalogs Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RA2812-1DW10 Cax online generator http://support.automation.siemens.
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88.9 37.1 45 74.