Compact, energy-self-sufficient RTUs

Image of the SIMATIC RTU3030C Remote Terminal Unit

The SIMATIC RTU3000C family – remote yet reliable

The compact RTUs from the SIMATIC RTU3000C family are energy-self-sufficient, low-power Remote Terminal Units (RTUs). They enable the reliable monitoring of the most remote measuring points.

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For the most remote regions and harshest conditions

Thanks to their optimized energy consumption, compact SIMATIC RTUs don’t need an external power source: They supply themselves from either a battery or an accumulator with a solar panel. This makes them ideal for use in remote locations with harsh climatic conditions.

Accessories for SIMATIC RTU3000C

Ensure optimal performance over the long term

You can expand the functionality of our RTUs with accessories for the SIMATIC RTU3000C family.

SIMATIC RTU3000C promotional package

Try out the compact Remote Terminal Unit SIMATIC RTU3041C, at a discounted price.

Compact Remote Terminal Units

They operate wherever you need them

Our compact RTUs from the SIMATIC RTU3000C family are ideal for locations with no connection to a public power grid. Thanks to low-power operation, they don’t need an external power source.

Compact, energy-self-sufficient, rugged

The RTUs have a flexible power supply concept. They can be operated with up to 2 x 3 redundant battery modules or connected to an accumulator with a solar panel or a 12–24-V  DC power source. They operate reliably even under harsh conditions ranging from -40 to +70° Celsius. A protective external enclosure also allows them to be used in areas prone to flooding (IP68).


Protocols supported:

  • IEC 60870-5-104 
  • DNP3
  • SINAUT ST7  
  • TeleControl Basic 
  • MQTT

Typical applications include data logging, leak detection, monitoring pumping stations and water reservoirs, monitoring liquid levels in tanks and silos, monitoring agricultural irrigation systems, flood protection, and buoy position detection.

Telecontrol and cloud connection in a single device

With firmware V5.0, the RTU3000C telecontrol modules can be connected via MQTT to all standard cloud systems, such as MindSphere, Microsoft Azure, and AWS. In addition to telecontrol, this expands the range of possible applications for SIMATIC RTU3000C to include cloud applications. In addition to monitoring the process data of the RTU (Remote Terminal Unit), you can also exploit all the benefits of cloud systems, including (big) data analyses for improving process quality, error detection, and preventive maintenance in combination with data from other sources.

Communication connection
Any IP-based network via external router, such as SCALANCE M
2G, 4G (LTE-M/ NB-IoT) mobile wireless via integrated modem or via external router; GPS reception
Inputs / Outputs

- 8 digital inputs (DI), of which 2 frequency counters

- 4 digital outputs (DO)

- 4 analog inputs (AI)

- 8 more DI for HART Multidrop or Modbus RTU with extension board

- 8 digital inputs (DI), of which 2 frequency counters

- 8 digital outputs (DO)

- 4 analog inputs (AI)

- 8 more DI for HART Multidrop or Modbus RTU with extension board

Secured e-mail and FTP connection, tunnel of TeleControl Server Basic, OpenVPN, VPN connection with SINEMA Remote Connect via auto configuration
Power supply

Freely combineable

- 12- 24 V DC

- 2 x 3 redundant battery modules

- Accumulator with solar panel

Temperature range
-40° to +70°C
Degree of protection
IP20 (IP68 with separate enclosure)
TeleControl Basic, SINAUT ST7, DNP3, IEC 60870-5-104 and MQTT
Local and remote via web based management

Reliable even in the most remote locations

Our RTUs record measured values from connected sensors and transmit them securely and wirelessly to the control center via an OpenVPN tunnel or e-mail. The communication parameters are freely adjustable. If the measured values drop below or exceed a defined value, the RTU reports it immediately via text message or e-mail alert. The devices offer integrated inputs and outputs. An extension board makes it possible to connect eight additional sensors via HART Multidrop/Modbus RTU.


The RTUs can perform data preprocessing to reduce data volume and simplify data evaluation in the control center. Adjustments to the configuration and firmware updates can be performed from the control center using a standard browser. With firmware V5.0, MQTT is now also supported.

Battery modules

Battery enclosure and battery expansion enclosure for holding two mono cells; suitable for the SIMATIC RTU3000C family


> Order from the Industry Mall

IP68 enclosure

Enclosure in degree of protection IP68; suitable for SIMATIC RTU3000C; permits the RTU3000C family to be used in areas prone to flooding


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More accessories

Power supplies, antennas, SIM cards, and much more


> Order from the Industry Mall

The benefits at a glance

SIMATIC RTU3000C – energy-self-sufficient RTUs for harsh environments

The RTUs in the SIMATIC RTU3000C family feature reliable low-power operation even in harsh environments.

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