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Despite price increases by manufacturers (Siemens, Schneider Electric, and others) at the beginning of the year we would like to inform you that our shop prices will remain stable for the upcoming weeks. Profit from best possible discounted prices now.
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Due to a local holiday our offices are closed on Tue 06/01/26. Next possible order processing and shipping: Wed 07/01/26.
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Wed 31/12/25 and Thur 01/01/26 our offices are closed. Fr 02/01/26 order processing and shipping as usual. We wish you a healthy and successful new year.
+++

+++
Despite price increases by manufacturers (Siemens, Schneider Electric, and others) at the beginning of the year we would like to inform you that our shop prices will remain stable for the upcoming weeks. Profit from best possible discounted prices now.
+++
+++
Due to a local holiday our offices are closed on Tue 06/01/26. Next possible order processing and shipping: Wed 07/01/26.
+++
+++
Wed 31/12/25 and Thur 01/01/26 our offices are closed. Fr 02/01/26 order processing and shipping as usual. We wish you a healthy and successful new year.
+++

>40,000 items ready for despatch in Germany
Express / courier delivery possible
No shop registration required
12 months warranty

>40,000 items ready for despatch in Germany

SIEMENS 6ES5 525⁠-⁠3UA21

CP525, COMMUNICATION PROCESSOR FOR S5-115/135/150/155U

MFS
New original manufacturer-sealed item, intact factory seal, usually current production date and version
FS
New original manufacturer-sealed item, intact factory seal, from surplus stock or similar
1
In stock - ready for despatch
€840.00
NEW
New item in opened original packaging or neutral packaging
8
In stock - ready for despatch
€660.00
RFUR
Refurbished item in opened original packaging or neutral packaging, fully functional
10
In partner stock - ships in 3-5 days
Price on request
Item Inquiry
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MessageI am looking for SIEMENS 6ES55253UA21 -RFUR-. Please let me know availability and price.
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USED
Used item in opened original packaging or neutral packaging, fully functional
10+
In stock - ready for despatch
€120.00

Product Images

NEW

NEW

Condition

Availability

Price

MFS

New original manufacturer-sealed item, intact factory seal, usually current production date and version

FS

New original manufacturer-sealed item, intact factory seal, from surplus stock or similar

1

In stock - ready for despatch

€840.00

NEW

New item in opened original packaging or neutral packaging

8

In stock - ready for despatch

€660.00

RFUR

Refurbished item in opened original packaging or neutral packaging, fully functional

10

In partner stock - ships in 3-5 days

Price on request

USED

Used item in opened original packaging or neutral packaging, fully functional

10+

In stock - ready for despatch

€120.00

Attractive
fixed prices

More than 40.000 items in stock and ready to ship

Fast processing and daily dispatch of orders

New, used and refurbished products in top quality

12 months warranty on all items

Product Images

NEW

NEW

Product Details*

Manufacturer
SIEMENS
Category
- S5
- Intelligent peripherals
Part Number / SKU
6ES5525-3UA21
Weight
0.516 kg
Country of origin
DE
Tariff number (EU)
85176200
Tariff number (US)
8517620050

*Information provided without warranty of any kind

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