3SU1851-0AA00-0AC1

**3SU1851-0AA00-0AC1** 

**Data sheet** 

Enclosure for command devices, 22 mm, round, Enclosure material metal, enclosure top part gray, with protective collar, 1 control point, without equipment, floor mounting, 1xM20 each on top and bottom 

|Siemens~~@~~|Enclosure for command devices, 22 mm, round, Enclosure material metal,<br>enclosure top part gray, with protective collar, 1 control point, without equipment,<br>floor mounting, 1xM20 each on top and bottom|
|---|---|
|**product brand name**|SIRIUS ACT|
|**product designation**|Enclosures|
|**product type designation**|3SU1|
|**Enclosure**<br>~~|~~||
|**design of the housing**<br>~~|~~|withprotective collar<br>~~|~~|
|**shape of the enclosure front**|Square|
|**material of the enclosure**|metal|
|**number of commandpoints**|1|
|product componentprotective collar|Yes|
|color of the enclosure top part|grey|
|**fastening method of the enclosure**|Vertical|
|**General technical data**<br>~~|~~||
|**protection class IP**<br>~~|~~|IP66, IP67, IP69(IP69K)<br>~~|~~|
|**degree ofprotection NEMA rating**|1, 2, 3, 3R, 4, 4X, 12, 13|
|shock resistance for railwayapplications accordingto EN 61373|Category1, Class B|
|vibration resistance for railway applications according to EN<br>61373|Category 1, Class B|
|**Substance Prohibitance(day/month/year)**|10/01/2014|
|**SVHC substance name**|Lead CAS-No. 7439-92-1|
|**Net Weight**|589g|
|**cable entry type**|Without|
|**Connections/ Terminals**<br>~~|~~||
|**type of electrical connection on enclosure**<br>~~|~~|Cable routingabove and below, both 1 x M20<br>~~|~~|
|**tightening torque of fixing screws in the enclosure cover**|1.5 ... 1.7 N·m|
|**Ambient conditions**<br>~~|~~||
|**ambient temperature**<br>~~|~~|~~|~~|
|● duringoperation|-25 ... +70 °C|
|● duringstorage|-40 ... +80 °C|
|environmental category during operation according to IEC<br>60721|3M6, 3S2, 3B2, 3C3, 3K6 (with relative air humidity of 10 ... 95%, no<br>condensation in operation permitted for all devices behind front panel)|
|**Installation/ mounting/ dimensions**<br>~~|~~||
|fasteningmethod of modules and accessories<br>~~|~~|Floor mounting<br>~~|~~|
|**height**|89.4 mm|
|**width**|85 mm|
|**depth**|112.5 mm|
|**mounting diameter**|22.3 mm|



3SU18510AA000AC1 Page 1/3 

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5/31/2026 

**positive tolerance of installation diameter** 0.4 mm **Approvals Certificates** Environmental Product Declaration ● global warming potential [CO2 eq] / during manufacturing 0.625 kg ● global warming potential [CO2 eq] / during operation 0.235 kg ● global warming potential [CO2 eq] / after end of life -0.267 kg ● global warming potential [CO2 eq] / total 0.593 kg **Environment General Product Approval** Environmental Confirmations **General Product Approval Test Certificates Maritime application** - - Type Test Certific Special Test Certific ates/Test Report ate ce UK & **Maritime application other** Confirmation > es **Further information** ~~i~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **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=3SU1851-0AA00-0AC1 **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3SU1851-0AA00-0AC1 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3SU1851-0AA00-0AC1 

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

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3SU1851-0AA00-0AC1&lang=en 

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**last modified:** 4/2/2025 

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Subject to change without notice © Copyright Siemens 

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