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Siemens 6ES7421-1BL00-0AA0

Name: SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 2...
Brand: Siemens
SKU: 6ES7421-1BL00-0AA0

SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 2...

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Product Description

Lifecycle Status:Successor:

SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 32 DI, 24V DC

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Offer details

Offer from:: Trusted supplier — Poland, member since 2023, 50–99 employees
Availability:: 2 pcs.
In-Stock
Updated at: 21-09-2026
Warranty:: 24 months
Condition:: Refurbished

Refurbished - A refurbished item inspected, cleaned, and repaired to full working order by either the manufacturer or a certified technician. The item is in excellent condition and fully operational.

The Seller is responsible for shipping the product and invoicing

Specifications

Brand: Siemens

Available Offers

(26)

Condition	Availability	Supplier	Warranty
Condition Refurbished	Availability 2 pcs. In-Stock Updated at: 21-09-2026	Supplier PolandTrusted supplier — member since 2023, 50–99 employees	Warranty 24 months
Condition Refurbished	Availability 22 pcs. In-Stock Updated at: 15-09-2026	Supplier GermanyTrusted supplier — member since 2024	Warranty 24 months
Condition New Surplus	Availability 1 pc. In-Stock Updated at: 15-09-2026	Supplier GermanyTrusted supplier — member since 2024	Warranty 24 months
Condition New Factory Sealed	Availability 20 pcs. In-Stock Updated at: 19-09-2026	Supplier United StatesTrusted supplier — member since 2023	Warranty 12 months
Condition Used	Availability 4 pcs. In-Stock Updated at: 21-09-2026	Supplier GermanyTrusted supplier — member since 2025, 5–9 employees	Warranty 6 months
Condition Used	Availability 3 pcs. In-Stock Updated at: 21-09-2026	Supplier GermanyTrusted supplier — member since 2025, 5–9 employees	Warranty 6 months

Documents

Data Sheet

Datasheet for Siemens 6ES7421-1BL00-0AA0, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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Product data updated: 21-09-2026

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