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Siemens 3RK1904-2AB02 — Remote I/O & Fieldbus Modules

Siemens 3RK1904-2AB02 AS-Interface Addressing Unit, Battery

MPN3RK1904-2AB02
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Siemens AS-Interface addressing unit 3RK1904-2AB02, V3.0, M12 connection, battery powered for 2500 addressings.

$581.52Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RK1904-2AB02 — Identification
ParameterValue
Product designAS-Interface addressing unit
3RK1904-2AB02 — Environmental
ParameterValue
Operating temperature range0 ... 55°C
Storage temperature range-20 ... +55°C
3RK1904-2AB02 — Mechanical
ParameterValue
Width84mm
Depth35mm
Height195mm
3RK1904-2AB02 — Other specifications
ParameterValue
DeviceIP50
Connectionvia M12 socket: Pin1=AS-i+; Pin3=AS-i-
Power supplyis provided by 4 batteries according to IEC LR6 (NEDA 15), which guarantee that the unit can perform at least 2500 device addressings. For a longer battery life the unit is switched off automatically approx. 1 minute after the last operation
Connection socketIP20
Other informationstorage temperature without batteries
Conditions of applicationonly in indoor rooms
Rated operational current ie150mA
Environmental conditions relative humiditymax. 75 %, condensation not permitted

Product details

The Siemens 3RK1904-2AB02 is a handheld AS-Interface addressing unit per specification V3.0. It communicates over an M12 socket with AS-i+ on pin 1 and AS-i- on pin 3, and is powered by four LR6 (NEDA 15) batteries that guarantee at least 2500 device addressings. Rated operational current is 150 mA. The unit is IP50 rated; the connection socket is IP20. Operating temperature range is 0 to 55 °C, storage -20 to 55 °C without batteries. Indoor use only, with relative humidity up to 75 % and no condensation.

Frequently asked questions

What is the depth of 3RK1904-2AB02?

35 mm.

What is the width of 3RK1904-2AB02?

84 mm.

MPN
3RK1904-2AB02