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2-year Warranty

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Siemens 6ES7972-0BB12-0XA0


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2 Year warranty

Part Number6ES7972-0BB12-0XA0
Model #6ES79720BB120XA0
Warranty2 Year
DescriptionConnection plug for PROFIBUS
ApplicationConnecting PROFIBUS nodes to the PROFIBUS bus cable
Transmission rate9.6 kbit/s ... 12 Mbit/s
Electrical connection/PROFIBUS cablesScrew
Electrical connection/network components & terminal equipment9-pin Sub-D connector
Terminating resistorIntegrated resistor combination that can be selected with slide switch
Height64 mm
Width15.8 mm
Depth35.6 mm
Ambient temperature0 °C
StandardsRoHS conformity, UL approval

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Repair Benefits

MRO can restore your failed 6ES7972-0BB12-0XA0 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6ES7972-0BB12-0XA0 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6ES7972-0BB12-0XA0, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 6ES7972-0BB12-0XA0 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6ES7972-0BB12-0XA0 Overview

The Siemens 6ES7972-0BB12-0XA0: A Reliable Solution for PROFIBUS Communication

Compact Design and Versatile Transmission:

Featuring a compact design with dimensions of 15.8 x 64 x 35.6 mm (WxHxD) and weighing 10 g, this SIMATIC DP connection plug offers a 90° cable outlet and supports transmission rates from 9.6 kbit/s to an impressive 12 Mbit/s with PROFIBUS DP, catering to diverse industrial communication needs.

Interfaces and Connections:

Equipped with two electrical connections for PROFIBUS cables and one for network components or terminal equipment, the device's screw-type connections for PROFIBUS cables and 9-pin Sub-D connector for other devices ensure flexibility and ease of integration into different setups.

Mechanical Design and Flexibility:

The mechanical design includes an integrated terminating resistor with a selectable slide switch, allowing users to customize the device. With a sturdy plastic enclosure and a screw locking mechanism, it ensures durability in demanding industrial settings.

Environmental Adaptability:

Operating efficiently in a wide range of ambient temperatures, from 0 °C during operation to -40 ... +70 °C during storage and transport, and boasting an IP20 protection class, the connection plug demonstrates resilience in various environmental conditions.

Standards and Certifications:

Adhering to industry standards and certifications, including RoHS conformity and UL approval, the 6ES7972-0BB12-0XA0 is designed with a reference code according to DIN EN 81346-2 XF, ensuring compatibility with industry norms.

Silicon-Free Composition and Additional Features:

Its silicon-free composition, inclusion of a PG connection socket, and built-in strain relief enhance its suitability for diverse industrial applications, adding an extra layer of reliability to the product.

Frequently Asked Questions (FAQ) - Siemens 6ES7972-0BB12-0XA0

Q1: What is the purpose of the Siemens 6ES7972-0BB12-0XA0 connection plug?

A1: The 6ES7972-0BB12-0XA0 is a SIMATIC DP connection plug designed for PROFIBUS communication in industrial settings. It facilitates the connection of PROFIBUS nodes to the bus cable, supporting transmission rates from 9.6 kbit/s to 12 Mbit/s with PROFIBUS DP.

Q2: What are the key features of the 6ES7972-0BB12-0XA0 in terms of interfaces and connections?

A2: The device includes two electrical connections for PROFIBUS cables and one for network components or terminal equipment. It utilizes screw-type connections for PROFIBUS cables and a 9-pin Sub-D connector for other devices, ensuring flexibility in integration.

Q3: How does the terminating resistor of the connection plug work?

A3: The 6ES7972-0BB12-0XA0 is equipped with an integrated terminating resistor featuring a selectable slide switch. This allows users to tailor the resistor to specific requirements, providing flexibility in the configuration.

Q4: What are the environmental conditions under which the connection plug operates?

A4: The device operates efficiently in ambient temperatures ranging from 0 °C during operation to -40 ... +70 °C during storage and transport. With an IP20 protection class, it provides adequate protection against dust and solid objects.

Q5: Does the 6ES7972-0BB12-0XA0 comply with industry standards?

A5: Yes, the connection plug adheres to industry standards and certifications, including RoHS conformity and UL approval. Additionally, it has a reference code according to DIN EN 81346-2 XF, ensuring compatibility with industry norms.

Q6: What additional features enhance the suitability of the 6ES7972-0BB12-0XA0 for industrial applications?

A6: The connection plug is silicon-free, includes a PG connection socket, and features built-in strain relief. These elements contribute to its suitability for diverse industrial applications, adding an extra layer of reliability to the product.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6ES7972-0BB12-0XA0, take a look at more from our Connectors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6ES7972-0BB12-0XA0 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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