BOM / RFQ

Siemens 7SR5421-6AA16-0AA0

Name: 7SR5421-6AA16-0AA0
Brand: Siemens
SKU: 7SR5421-6AA16-0AA0
Availability: LimitedAvailability

MPN7SR5421-6AA16-0AA0

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Transformer protection (2 wdg.) 8 curr. trans., 4 volt. trans. 37 BI, 18 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces S12 enclosure

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Siemens 7SR5421-6AA16-0AA0 datasheet (PDF)

Source DocumentedChannel stated on listing & quote

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Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

7SR5421-6AA16-0AA0 — Mechanical
Parameter	Value
Width	308 mm
Height	177 mm
Depth	217.5 mm

Pricing & Availability

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About the brand

Siemens

Siemens parts are sourced across every condition — factory-new current-production lines, new-old-stock, surplus, refurbished-and-bench-tested and used clean-pull units — through our independent distributor channels; each listing states its condition. Request a quote for live pricing, availability, and lead times.

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Siemens Series Alternatives & Replacements

Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.

Siemens 7SR5421-6AA16-0AA0

Specifications

6ES7212-1AE40-0XB0

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6ES7211-1BE40-0XB0

6ES7212-1BE40-0XB0