Siemens | Simatic S5 6ES5951-7NB21

Product Details

• Part Number 1 6ES5951-7NB21

Product Description

For Simatic S5 system applications, Siemens 6ES5951-7NB21 provides the function of a Power Supply.

Within a control installation, this type of component supports the power path serving compatible modules and assemblies. Input requirements, output rating, and connection details remain specific to the exact model. The plant's maintenance records should support final product selection.

In a SIMATIC S5 system, module selection is governed by the controller family, rack arrangement, electrical interface, and configured program. The exact article number should be matched before installation. The original equipment schedule should guide compatibility review.

When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. System drawings should be consulted before replacement.

Product Documentation

• Specification PDF siemens-simatic-s5.pdf
• Common Part Typos 6ES5951-7NB2I, 6ES5951-7NB2l, 6ES59517NB21, 6ES59517NB2I, 6ES59517NB2l, 6ES595I-7NB21, 6ES595I7NB21, 6ES595l-7NB21, 6ES595l7NB21

Reviews

5.0 Rating

"Frank, we are very happy with your service. Our test mechanic has checked the controllers, they all are good!"

- Tony N., United States

"Been doing business with the DCS Center for years. Quick responses, solid repairs and excellent follow-up support!"

- Alex L., United States

"Frank your customer service has been excellent, you go out of your way to help and support. Your response and feedback is exceptional, its a pleaure to engage..."

- Selva Moodley, South Africa

"Ahoy! We are extremely pleased with the cost effective and rapid repair services provided DCS Center. Even though the ship is only 12 years old, many of the..."

- Birdman Chief Engr., United States

"DCS CENTER Really saved the day! I had the parts I needed in my hands the day after ordering ( I'm in Toronto Canada ). I highly recommend..."

- Steven T., United States

"We received the 6ES7141-1BF12-0XB0 module yesterday - thank you very much! We will probably order another one next week. Thanks"

- George C., United States