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Siemens 3UF7933-0BA00-0 Specs: 2.5m SIMOCODE Connecting Cable Guide

The Siemens 3UF7933-0BA00-0 is a 2.5-meter round connecting cable designed for the SIMOCODE motor management system. It connects compatible basic units with current measuring modules, current/voltage measuring modules, operator panels, and expansion modules through the SIMOCODE system interface. Unlike a standard Ethernet or USB cable, it is a dedicated system connection accessory. Its main selection considerations are cable length, component interface compatibility, installation routing, and operating temperature.
Siemens 3UF7933-0BA00-0 Technical Specifications
The 3UF7933-0BA00-0 belongs to the Siemens SIRIUS SIMOCODE accessory range. Its primary function is to provide a physical connection between compatible SIMOCODE system components.
| Specification | Details |
|---|---|
| Manufacturer | Siemens |
| Product family | SIRIUS SIMOCODE |
| Complete model number | 3UF7933-0BA00-0 |
| Product type | System connecting cable |
| Cable length | 2.5 m |
| Cable design | Round |
| Connection method | SIMOCODE system interface |
| Compatible component types | Basic unit, current measuring module, current/voltage measuring module, operator panel, and expansion modules, subject to system compatibility |
| Operating temperature | -25°C to +60°C |
| Storage temperature | -40°C to +80°C |
| Transport temperature | -40°C to +80°C |
| Product brand | SIMOCODE |
Source: Siemens official 3UF7933-0BA00-0 datasheet and Siemens Industry Mall.

What Is the 3UF7933-0BA00-0 Used For?
The 3UF7933-0BA00-0 connects SIMOCODE components through their dedicated system interfaces. It allows the basic unit to exchange the required system information with compatible measuring and expansion components.
Typical connection applications include:
- Basic unit to current measuring module: Transfers the system connection between the motor management controller and its measuring component.
- Basic unit to current/voltage measuring module: Provides the interface connection required by the configured measurement system.
- Basic unit to operator panel: Connects separately installed operator interfaces to the SIMOCODE system.
- Expansion module connections: Connects compatible expansion components within the system architecture.
The cable does not independently perform current measurement, motor protection, or PLC communication. Those functions belong to the connected SIMOCODE components.
Why Choose a 2.5m Round Connecting Cable?
Cable length becomes important when SIMOCODE components cannot be installed directly next to each other. In motor control centers and industrial cabinets, the basic unit, measuring module, and operator panel may occupy different mounting positions.
The 2.5-meter length provides more routing flexibility than shorter cable options. It can help accommodate separated installation positions while keeping the components connected through the intended system interface.
However, a longer cable should not automatically be considered better. Engineers should consider:
- Physical distance between connected components.
- Available cable routing paths inside the cabinet.
- Minimum bending and installation requirements specified by Siemens.
- Separation from power conductors and other potential sources of electrical interference.
- Accessibility for maintenance and future replacement.
The cable should be routed without excessive tension, sharp bends, or mechanical stress on the connectors.
3UF7933-0BA00-0 vs Other SIMOCODE Connecting Cables
Siemens offers different connecting cable lengths and designs for SIMOCODE installations. The correct selection depends on the distance between components and the required system configuration.
| Model | Length | Design | Typical selection consideration |
|---|---|---|---|
| 3UF7935-0AA00-0 | 0.3 m | Flat | Short-distance component connections |
| 3UF7932-0AA00-0 | 0.5 m | Flat | Compact installation layouts |
| 3UF7932-0BA00-0 | 0.5 m | Round | Shorter round-cable connection |
| 3UF7937-0BA00-0 | 1.0 m | Round | Moderate installation distance |
| 3UF7933-0BA00-0 | 2.5 m | Round | Longer component separation |
These cables should not be selected by length alone. Flat and round versions have different physical designs, and the correct reference must be checked against the connected SIMOCODE components and installation instructions.
For example, the Siemens 3UF7100-1AA00-0 current measuring module guide explains one of the measuring components that can be connected within a SIMOCODE configuration.
Installation and System Interface Safety
The 3UF7933-0BA00-0 connects through Siemens’ dedicated SIMOCODE system interface. Correct connector orientation, locking, and cable routing are important for reliable operation.
According to the Siemens SIMOCODE pro system manual, the connection procedure includes the following considerations:
- Identify the correct system interface on each connected component.
- Check the connector orientation and cable color coding.
- Insert the plug straight into the connector slot.
- Ensure the locking mechanisms engage securely.
- Close unused system interfaces with the specified protective cover.
Important safety requirement: Siemens explicitly states that system interfaces must only be connected when they are fully de-energized. Isolate the relevant equipment and follow the applicable electrical safety procedures before connecting or disconnecting the cable.
For more details, consult the Siemens SIMOCODE pro system manual, particularly the system interface installation section.

How to Select the Correct Cable for a SIMOCODE System
Before purchasing a replacement connecting cable, engineers should confirm the complete system configuration rather than relying on the connector’s physical appearance.
Check these points:
- Connected components: Identify the basic unit, measuring module, operator panel, or expansion module.
- System compatibility: Confirm that the connected components support the intended SIMOCODE system interface connection.
- Required length: Measure the actual cable routing distance and allow for a suitable installation path.
- Cable design: Confirm whether the application requires a round or flat cable.
- Installation condition: Check operating temperature, routing space, and mechanical protection.
The Siemens 3UF7101-1AA00-0 current measuring module guide provides additional information about another SIMOCODE measuring component. For the basic unit, see the Siemens 3UF7010-1AU00-0 SIMOCODE pro V basic unit guide.
What Should Buyers Check Before Ordering?
For industrial maintenance and replacement projects, the complete order number should be confirmed before purchasing. SIMOCODE connecting cables may look similar while differing in length, shape, and intended connection arrangement.
Prepare the following information when requesting a quotation:
- Complete part number: 3UF7933-0BA00-0.
- Required cable length: 2.5 m.
- Required cable design: round.
- Connected SIMOCODE component models.
- Required quantity.
- Product condition and delivery destination.
You can browse the Siesource industrial automation product catalogue for related Siemens components. When requesting a quotation, include the full cable reference and the connected SIMOCODE device models to help verify the required accessory.

Frequently Asked Questions
What is Siemens 3UF7933-0BA00-0 used for?
It is a 2.5-meter round connecting cable used to connect compatible SIMOCODE basic units, measuring modules, operator panels, and expansion modules through the system interface.
Is the 3UF7933-0BA00-0 a round or flat cable?
It is a round cable. Siemens offers separate flat cable versions for other installation lengths.
Can this cable connect a SIMOCODE basic unit to a current measuring module?
Yes. This is one of its specified applications, provided the basic unit and measuring module support the intended system interface connection.
What is the operating temperature range?
The specified operating temperature range is -25°C to +60°C. Storage and transport temperatures are specified separately as -40°C to +80°C.
Can the cable be connected while the SIMOCODE system is powered?
No. Siemens requires system interfaces to be fully de-energized before connecting or disconnecting system interface cables.
Conclusion
The Siemens 3UF7933-0BA00-0 is a 2.5-meter round system connecting cable for compatible SIMOCODE motor management components. It provides the required physical interface connection between basic units, measuring modules, operator panels, and expansion modules. Before purchasing or replacing it, verify the connected device references, cable design, installation distance, and system interface requirements. Always follow Siemens’ de-energized connection procedure during installation.