# Compact Connection Box, 18 mA, 24 VDC, Plastic, IP65, 78 mm x 96 mm x 125 mm, SIMATIC HMI Series

![Product image](https://novapart.co/image/farnell:3555089/)

**URL**: https://novapart.co/products/6AV2125-2AE03-0AX0/compact-connection-box-18-ma-24-vdc-plastic-ip65
**SKU**: 6AV2125-2AE03-0AX0
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Process Controllers, Programmers & Indicators || Controllers || Controller Accessories
**Price**: €153.1600
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| Product Range | SIMATIC HMI Series |
| Current Rating | 18mA |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3555089/)

**6AV2125-2AE03-0AX0** 

**Data sheet** 

SIMATIC HMI connection box compact for Mobile Panels, installation in control cabinet, PROFINET and PROFIsafe, connection of safety relay, Connection point detection 

|SIMATIC HMI connection box compact for Mobile Panels, installation in control<br>cabinet, PROFINET and PROFIsafe, connection of safety relay, Connection point<br>detection<br>**General information**<br>Product type designation<br>Connection box<br>Product function<br>● Web-based management<br>No<br>**FH technology**<br>Safetyevaluation through direct wiring<br>● Reconnection without emergencystopcircuit interruption<br>No<br>● Reconnection with emergencystopcircuit interruption<br>Yes<br>● Monitoringthe STOP button<br>Yes<br>● Monitoringof emergencystopbutton<br>Yes<br>● Monitoringof acknowledgement button<br>Yes<br>Safetyevaluation via PROFIsafe<br>● Reconnection without emergencystopcircuit interruption<br>Yes<br>● Reconnection with emergencystopcircuit interruption<br>No<br>● Monitoringthe STOP button<br>Yes<br>● Monitoringof emergencystopbutton<br>Yes<br>● Monitoringof acknowledgement button<br>Yes<br>**Installation type/mounting**<br>Wall mounting/direct mounting<br>No<br>Control cabinet installation<br>Yes<br>**Supply voltage**<br>Type of supplyvoltage<br>DC<br>Rated value(DC)<br>24 V<br>permissible range, lower limit(DC)<br>19.2 V<br>permissible range, upper limit(DC)<br>28.8 V<br>**Input current**<br>Current consumption(rated value)<br>18 mA<br>Startingcurrent inrush I²t<br>0.003 A²·s<br>**Power**<br>Active power input, typ.<br>0.43 W<br>**Interfaces**<br>Number of industrial Ethernet interfaces<br>2<br>Number of PROFINET interfaces<br>2<br>Connectionpoint identification<br>Yes<br>Industrial Ethernet<br>● Industrial Ethernet status LED<br>0<br>**Protocols**<br>PROFINET<br>Yes; No switch functionality<br>IRT<br>No<br>~~|~~<br>~~I~~<br>~~___~~<br>~~tt~~<br>~~EE~~<br>~~— ——~~<br>~~|~~<br>~~|~~<br>~~|~~<br>~~Oe~~<br>~~|~~<br>~~|~~<br>~~Oe~~<br>~~|~~|SIMATIC HMI connection box compact for Mobile Panels, installation in control<br>cabinet, PROFINET and PROFIsafe, connection of safety relay, Connection point<br>detection||
|---|---|---|
||Yes; No switch functionality<br>~~|~~||
||No||



Subject to change without notice © Copyright Siemens 

||PROFIsafe|Yes; No switch functionality||
|---|---|---|---|
||EtherNet/IP|Yes||
||AS-Interface|No||
||EIB/KNX|No||
||Protocols(Ethernet)|||
||● TCP/IP|Yes; No switch functionality||
||● DHCP|No||
||● SNMP|No||
||● DCP|No||
||● LLDP|No||
||Redundancymode|||
||Media redundancy|||
||— MRP|No||
||Furtherprotocols|||
||● MODBUS|Yes||
||● other bus systems|No||
||**EMC**|||
||Emission of radio interference acc. to EN 55 011|||
||● Limit class A, for use in industrial areas|Yes; EN 61000-6-4, interference emission: Intended for use in industrial areas.||
||● Limit class B, for use in residential areas|No||
||**Degree and class of protection**|||
||IP(at the front)|IP65||
||IP(rear)|IP20||
||**Standards, approvals, certificates**|||
||CE mark|Yes||
||cULus|Yes||
||RCM(formerlyC-TICK)|Yes||
||KC approval|No; inpreparation||
||Suitable for safetyfunctions|Yes||
||Highest safetyclass achievable in safetymode|||
||● Performance level accordingto ISO 13849-1|PLe||
||● SIL acc. to IEC 61508|SIL 3||
||Use in hazardous areas|||
||● ATEX Zone 2|No||
||● ATEX Zone 22|No||
||● cULus Class I Zone 1|No||
||● cULus Class I Zone 2, Division 2|No||
||● FM Class I Division 2|No||
||Marine approval|||
||● Germanischer Lloyd(GL)|Yes||
||● American Bureau of Shipping (ABS)|Yes||
||● Bureau Veritas(BV)|Yes||
||● Det Norske Veritas(DNV)|Yes||
||● Korean Register of Shipping (KRS)|Yes||
||● Lloyds Register of Shipping (LRS)|Yes||
||● Nippon Kaiji Kyokai(Class NK)|Yes||
||● Polski Rejestr Statkow(PRS)|No||
||● Chinese Classification Society (CCS)|Yes||
||**Ambient conditions**|||
||Ambient temperature duringoperation|||
||● min.|0 °C||
||● max.|55 °C||
||Relative humidity|||
||● Operation, max.|90 %||
||**Configuration**|||
||Configuration software|||
||● STEP 7 Professional(TIA Portal)|No||
||● WinCC Comfort(TIA Portal)|No||
||● WinCC Advanced (TIA Portal)|No||



Subject to change without notice © Copyright Siemens 

6AV21252AE030AX0 Page 2/3 

5/18/2026 

||● WinCC Professional(TIA Portal)|No||||
|---|---|---|---|---|---|
|**Mechanics/material**<br>Enclosure material(front)<br>~~a~~||||||
||● Plastic|Yes||||
||● Aluminum|No||||
||● Stainless steel|No||||
|**Dimensions**<br>~~a~~||||||
||Width|96 mm||||
||Height|125 mm||||
||Depth|77.9 mm||||
||Mountingcutout, width|78 mm||||
|Mountingcutout, height<br>107 mm<br>~~OO~~||||||
||mountingdepth|30 mm||||
||**Weights**|||||
||Weight(withoutpackaging)|0.25 kg||||
||Weight(with packaging)|0.29 kg||||
|**Classifications**<br>~~a~~||||||



||**Version**|**Classification**|
|---|---|---|
|eClass|14|27-33-02-92|
|eClass|12|27-33-02-92|
|eClass|9.1|27-33-02-92|
|eClass|9|27-33-02-92|
|eClass|8|27-24-92-03|
|eClass|7.1|27-24-92-03|
|eClass|6|27-24-92-03|
|ETIM|10|EC002584|
|ETIM|9|EC002584|
|ETIM|8|EC002584|
|ETIM|7|EC002584|
|IDEA|4|3552|
|UNSPSC|15|32-15-17-03|



~~a~~ **Approvals / Certificates General Product Apother Environment proval** 

Confirmation Miscellaneous Environmental Con- ~~—~~ firmations ~~) Ce~~ **last modified:** 2/4/2025 

Subject to change without notice © Copyright Siemens 

6AV21252AE030AX0 Page 3/3 

5/18/2026 



## Links

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- [Supplier page](https://es.farnell.com/siemens/6av2125-2ae03-0ax0/connection-box-18ma-24vdc-ip65/dp/3555089)
---

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