8WD4428-0BD

**8WD4428-0BD** 

**Data sheet** 

**General Product Approval** 

AS-Interface adapter element, black, with/without external auxiliary voltage, can be selected, A/B technology, for 3 signaling elements, 24 V DC, Diameter 70 mm 

||<br><|AS-Interface adapter element, black, with/without external auxiliary voltage, can be<br>selected, A/B technology, for 3 signaling elements, 24 V DC, Diameter 70 mm<br>|<br><|AS-Interface adapter element, black, with/without external auxiliary voltage, can be<br>selected, A/B technology, for 3 signaling elements, 24 V DC, Diameter 70 mm<br>|<br><|
|---|---|---|
|**product brand name**|SIRIUS||
|**product designation**|AS-Interface module||
|**General technical data**<br>~~a~~|||
|**type of voltage of the operating voltage**<br>~~a~~|DC<br>~~a~~||
|**operating voltage**|||
|● at DC rated value|18.5 ... 31.6 V||
|● 1 at DC rated value|24 V||
|**consumed current maximum**|210 mA||
|reference code accordingto EN 61346-2|B||
|**Communication**<br>~~a~~|||
|**design of the interface AS-Interface protocol**<br>~~a~~|Yes<br>~~a~~||
|**Enclosure**<br>~~ee~~|||
|**height**<br>~~ee~~|65.5 mm<br>~~ee~~||
|**width**|70 mm||
|**outer diameter of the signal column element**|70 mm||
|**material**|PC||
|**color**|black||
|**fastening method**|Bayonet||
|**protection class IP**|IP65||
|**Ambient conditions**<br>~~a~~|||
|**ambient temperature during operation**<br>~~a~~|-20 ... +50 °C<br>~~a~~||
|**Approvals Certificates**<br>~~|~~|||
|**General Product Approval**<br>~~|~~||**other**<br>~~|~~|



**other** 

~~£~~ Confirmation « es Confirmation 

**other Environment** Confirmation ~~i~~ Environmental Confirmations - 

**Further information** ~~eee~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 

Subject to change without notice © Copyright Siemens 

8WD44280BD Page 1/3 

5/14/2026 

## **Information for data generation and storage** 

https://support.industry.siemens.com/cs/ww/en/view/109995012 

**Information- and Downloadcenter (Catalogs, Brochures,…)** https://www.siemens.com/ic10 

**Industry Mall (Online ordering system)** https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=8WD4428-0BD **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=8WD4428-0BD **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/8WD4428-0BD 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=8WD4428-0BD&lang=en 

**==> picture [297 x 229] intentionally omitted <==**

**----- Start of picture text -----**<br>
70,2<br>65<br>65,5<br>**----- End of picture text -----**<br>


Subject to change without notice © Copyright Siemens 

8WD44280BD Page 2/3 

5/14/2026 

**==> picture [461 x 308] intentionally omitted <==**

**----- Start of picture text -----**<br>
-B<br>ASI- ASI+ L- L+<br>Cose l<br>last modified: 4/1/2025<br>**----- End of picture text -----**<br>


Subject to change without notice © Copyright Siemens 

8WD44280BD Page 3/3 

5/14/2026