# Plug-In Socket, 48.3 mm x 15.5 mm x 98 mm, RT Series Spring Type Terminal Socket Relays
**URL**: https://novapart.co/products/LZS:RT7872P/plug-in-socket-483-mm-x-155-98-rt-series-spring
**SKU**: LZS:RT7872P
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €8.8700
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3556087/)
**LZS:RT7872P**
**Data sheet**
plug-in socket for RT relay base with logical isolation, base with logical isolation, spring-loaded terminal (push-in)
||plug-in socket for RT relay base with logical isolation, base with logical isolation,
spring-loaded terminal (push-in)|
|---|---|
|**product brand name**|SIRIUS|
|**product type designation**|LZS|
|**General technical data**
~~|~~||
|**display version LED**
~~|~~|No
~~|~~|
|**reference code according to IEC 81346-2**|U|
|**Substance Prohibitance(Date)**|05/01/2012|
|**Net Weight**|0.039 kg|
|**Mechanical data**
~~|~~||
|**product componentplug-in socket**
~~|~~|Yes
~~|~~|
|**design of the snap-on socket base**|Socket with logic isolation|
|**design of the relay operating mechanism**|poled|
|**Auxiliary circuit**
~~|~~||
|**number of NC contacts for auxiliary contacts**
~~|~~|0
~~|~~|
|**number of NO contacts for auxiliary contacts**|0|
|number of CO contacts for auxiliarycontacts|0|
|**Connections/ Terminals**
~~|~~||
|**product function removable terminal**
~~|~~|No
~~|~~|
|**type of electrical connection**|spring-loaded terminals|
|**type of connectable conductor cross-sections**||
|● solid|1x(0,75 ... 1,5), 2x(0,75 ... 1,0), 2x 1,5|
|● finelystranded with core endprocessing|1x(0,75 ... 1,5), 2x 0,75|
|● finelystranded without core endprocessing|1x(0,75 ... 1,5), 2x(0,75 ... 1,0), 2x 1,5|
|● for AWG cables solid|1x(18 ... 16), 2x(18 ... 16)|
|● for AWG cables stranded|1x(18 ... 16), 2x(18 ... 16)|
|**connectable conductor cross-section**||
|● solid|0.75 ... 1.5 mm²|
|● finelystranded with core endprocessing|0.75 ... 1.5 mm²|
|● finelystranded without core endprocessing|0.75 ... 1.5 mm²|
|**AWG number as coded connectable conductor cross**
**section**||
|● solid|18 ... 16|
|● stranded|18 ... 16|
|**Installation/ mounting/ dimensions**
~~|~~||
|**mounting position**
~~|~~|any
~~|~~|
|**fastening method**|snap-on mounting|
|**height**|98 mm|
|**width**|15.5 mm|
|**depth**|48.3 mm|
|**required spacing**||
LZS:RT7872P Page 1/5
Subject to change without notice © Copyright Siemens
5/9/2026
● with side-by-side mounting — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 0 mm ● for grounded parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — at the side 0 mm — downwards 0 mm ● for live parts — forwards 0 mm — backwards 0 mm — upwards 0 mm — downwards 0 mm — at the side 0 mm ~~ee~~ **Ambient conditions ambient temperature** ● during operation -40 ... +70 °C ● during storage -20 ... +70 °C ● during transport -20 ... +70 °C ~~ee~~ **Approvals Certificates Environment General Product Approval other** Environmental ConConfirmation firmations ~~a~~ HAE s Sf **other** Confirmation ~~~~~ QC PASS ~~e~~ **Further information** ~~e~~ **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=LZS:RT7872P **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=LZS:RT7872P **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/LZS:RT7872P **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=LZS:RT7872P&lang=en
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Subject to change without notice © Copyright Siemens
5/9/2026
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Subject to change without notice © Copyright Siemens
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**----- Start of picture text -----**
-U
last modified: 10/22/2025
A1 11 21
A2 12 14 22 24
**----- End of picture text -----**
LZS:RT7872P Page 5/5
Subject to change without notice © Copyright Siemens
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## Links
- [View this product on Novapart](https://novapart.co/products/LZS:RT7872P/plug-in-socket-483-mm-x-155-98-rt-series-spring)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/lzs-rt7872p/control-gear-switch-gear-accessory/dp/3556087)
---
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