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5SM1644-6FD

Siemens 5SM1644-6FD — Residual Current Breakers (RCCB/RCBO)

Siemens 5SM1644-6FD

MPN5SM1644-6FD

FI-PROTECTOR>N< TYPE A (PSE/SSF), T=55MM 40A 4POLE IFN 0,3A 400V 4TE

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MOQ1 pcs

Sourced new & surplus through independent channelsListing updated Jun 2026

Siemens 5SM1 Series· 130 variantsCompare all →

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First response typically within one business day; complex BOMs may take longer.

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Siemensparts sourced new & surplus through independent channels — request a quote for live pricing, stock and lead time.

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5SM1644-6FD

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China-based independent distributor and sourcing agent for industrial automation — new and surplus PLC, HMI, drive, sensor, and safety parts, backed by the Shenzhen supply chain.

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