6ES5951-7LB21

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Transport and Handling Information

The transportation costs depend on the destination, purchase price, weight, shipping speed, and whether it is a pallet order.

Express shipping and rush orders

With express shipping, the product is delivered faster. For products that are not yet ready for shipping, you can place a rush order. These products still need to be revised.

A rush order is ready for shipping within 2 business days and can then be shipped express. This can be selected during checkout.

Condition

Repair

Select service ( €262.00 )

Description for 6ES5951-7LB21

SIMATIC S5, Power supply 951 for S5-115U/H without backup battery 120/230 V AC; 5 V DC, 3 A

The Siemens 6ES5951-7LB21 is a power supply unit designed for use with SIMATIC S5-115U/H automation systems. This model operates with an input voltage of 120/230 V AC and provides a stable output of 5 V DC at 3 A, ensuring reliable power for critical industrial control applications. The 6ES5951-7LB21 does not include a backup battery, making it a straightforward solution for production environments where continuous power management is handled externally.

Large stock ensures fast delivery of the Siemens 6ES5951-7LB21 for urgent project needs
Refurbished options available for the 6ES5951-7LB21 with a standard 2-year warranty
Consistent performance and reliability from Siemens, trusted in industrial automation

The 6ES5951-7LB21 power supply features robust construction suitable for demanding production lines. It is engineered for straightforward installation and smooth integration with existing SIMATIC S5-115U/H PLCs, supporting efficient operations and minimizing downtime for project managers and production leaders seeking dependable solutions.

JC-Electronics is not an official authorized distributor for Siemens. The original manufacturer's warranty does not apply. Instead, we offer you a 2-year warranty according to our JCertified guidelines.

Positive Results

When you choose JCertified refurbished electronics, you save on water, raw materials, and CO₂ needed for the production of new electronics. Check below to see exactly how much you save with this specific refurbished product:

CO2 eq

-72%

Resource use minerals and metals

-95%

Water use

-83%

Specifications

Manufacturer:

Siemens

Range:

Simatic S5

Subrange:

S5-115

Type of product:

Power supplies

Supply voltage:

120-230V AC

Product phase:

Obsolete

Predecessor:

6ES5951-7LB14

Supply voltage:

120-230V AC

Dimensions (cm):

31,30 x 21,20 x 7,30

Weight:

1.44kg

Commodity Code:

85389091

Export Control Regulations (ECCN):

Product Questions (8)

Can I buy on account at JC-Electronics?

Yes, under certain conditions. Contact the Sales team via sales@jc-electronics.com for more information.

Why should I choose JC-Electronics?

You can rely on a stock of 300,000 pieces of industrial electronics from leading top-quality brands, both new and refurbished. Therefore, you can also find drives, PLCs, HMIs, and industrial PCs that are no longer produced with us. You always get a 2-year warranty. Additionally, refurbished products are circular, helping you reduce your ecological footprint. Good to know: New products and tested refurbished products ordered before 16:00 CET are shipped the same day.

Why can I trust refurbished electronics from JC-Electronics?

All products are thoroughly cleaned, defects are repaired, and weak elements are proactively replaced. If they pass the endurance test, the products can be sold. You can recognize them by the JCertified warranty seal. The entire process has received the RecQ quality mark from DEKRA and the ISO14001:2015 certificate

How much warranty do I get on a product?

You always get a 2-year warranty on products, both refurbished and new. This is twice as much as the standard factory warranty from many manufacturers.

Are all products available from stock immediately?

New and tested refurbished products from our stock are always available immediately. Untested and non-refurbished products undergo a thorough refurbishment and an extensive testing procedure before shipment.

Can I order products urgently?

Yes, you can. New and refurbished products that are ready for shipment will be dispatched the same day if the order is received before 16:00 CET. An express shipment to the Netherlands, Belgium, Luxembourg, Germany, Austria, Switzerland, France, or Italy will arrive the next day. An express shipment to other countries in the European Union takes 2 days. An express shipment to countries outside the European Union takes 3 days.

Can I have products repaired urgently?

Yes, you can. With an urgent repair, your product will be repaired within 3 working days. Contact the Sales team via sales@jc-electronics.com for this.

Why should I buy refurbished electronics?

There are several reasons to purchase a refurbished product. For example, because electronics are no longer made and are hard to get new. But also because refurbished is a sustainable choice, reducing your organization's ecological footprint. Whatever the reason, you always get a 2-year warranty on both refurbished and new electronics at JC-Electronics.