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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.
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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.
+++
+++
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

HELMHOLZ 700⁠-⁠321⁠-⁠1BL00

DIGITAL INPUT SM 321, OPTICALLY ISOLATED 32DI, 24 V DC, 1 X 40 PIN compatible to Siemens S7-300 (replacement for Siemens 6ES7 321-1BL00-0AA0)

MFS
New original manufacturer-sealed item, intact factory seal, usually current production date and version
1
In stock - ready for despatch
backorder - expected availability in 3-5 days
€298.00
FS
New original manufacturer-sealed item, intact factory seal, from surplus stock or similar
NEW
New item in opened original packaging or neutral packaging
1
In stock - ready for despatch
€239.00
RFUR
Refurbished item in opened original packaging or neutral packaging, fully functional
1
In partner stock - ships in 3-5 days
Price on request
Item Inquiry
Full name
Company
Email
Phone
Part Number
Country
VAT-ID number
MessageI am looking for HELMHOLZ 7003211BL00 -RFUR-. Please let me know availability and price.
Thank you for contacting us!
Your message has been sent. We will contact you as soon as possible.
USED
Used item in opened original packaging or neutral packaging, fully functional
4
In stock - ready for despatch
€130.00

Product Images

NEW

NEW

Condition

Availability

Price

MFS

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

1

In stock - ready for despatch

backorder - expected availability in 3-5 days

€298.00

FS

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

NEW

New item in opened original packaging or neutral packaging

1

In stock - ready for despatch

€239.00

RFUR

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

1

In partner stock - ships in 3-5 days

Price on request

USED

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

4

In stock - ready for despatch

€130.00

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
HELMHOLZ
Category
- S7-300
- Digital peripherals
Part Number / SKU
700-321-1BL00
Weight
0.226 kg
Dimensions
1,160 mm × 400 mm × 1,250 mm
Volume
0.58 L
Country of origin
DE
Tariff number (EU)
85389091
Tariff number (US)
8538903000

*Information provided without warranty of any kind

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