BOM / RFQ

Siemens 5SX2440-7FD

MPN5SX2440-7FD

End of Life

CIRCUIT BREAKER>N< 400V, 6KA, 4-POLE, C, 40A

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Source DocumentedChannel stated on listing & quote

Condition PhotosReal unit photos / video on request

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Worldwide DispatchDHL/FedEx — transit quoted per order

Independent China distributor & sourcing agent· Listing updated Sep 2026

Pricing & Availability

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*Sample & small orders welcome — quoted per order; a small handling charge may apply below MOQ.

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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.

View all Siemens 5SX2 Miniature Breakers parts →

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 5SX2440-7FD

6ES7212-1AE40-0XB0

6ES7211-1AE40-0XB0

6ES7211-1HE40-0XB0

6ES7217-1AG40-0XB0

6ES7211-1BE40-0XB0

6ES7212-1BE40-0XB0