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.

Siemens 3RK1904-2AB02 AS-Interface Addressing Unit, Battery
MPN3RK1904-2AB02
Active
Siemens AS-Interface addressing unit 3RK1904-2AB02, V3.0, M12 connection, battery powered for 2500 addressings.
$581.52Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product design | AS-Interface addressing unit |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | 0 ... 55°C |
| Storage temperature range | -20 ... +55°C |
Mechanical
| Parameter | Value |
|---|---|
| Width | 84mm |
| Depth | 35mm |
| Height | 195mm |
Other specifications
| Parameter | Value |
|---|---|
| Device | IP50 |
| Connection | via M12 socket: Pin1=AS-i+; Pin3=AS-i- |
| Power supply | is 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 socket | IP20 |
| Other information | storage temperature without batteries |
| Conditions of application | only in indoor rooms |
| Rated operational current ie | 150mA |
| Environmental conditions relative humidity | max. 75 %, condensation not permitted |
Product details
Frequently asked questions
What is the depth of 3RK1904-2AB02?
35 mm.
What is the width of 3RK1904-2AB02?
84 mm.
MPN
3RK1904-2AB02