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Siemens 3RV2021-4NA10-0DA0 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV2021-4NA10-0DA0 SIRIUS Motor Starter Protector, 2

MPN3RV2021-4NA10-0DA0
Active

Siemens SIRIUS 3RV2 motor starter protector, size S0, 23…28 A, 364 A short-circuit release, screw terminals, standard switching capacity.

StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Specifications

3RV2021-4NA10-0DA0 — Specifications
ParameterValue
Group codeR711
Product group5333
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
SeriesSIRIUS 3RV2 motor starter protectors
Export control regulationsAL : N / ECCN : N
Compliance with the substance restrictions according to RoHS directiveSince: 01-10-09

Product details

The Siemens 3RV2021-4NA10-0DA0 is a SIRIUS 3RV2 motor starter protector — a circuit breaker sized S0 for system protection without phase failure protection. Its A-release is set for 23…28 A, and the short-circuit release trips at 364 A. Screw terminals and standard switching capacity make it a direct panel fit for motor branch circuits in industrial control cabinets.

Compliance and traceability

RoHS compliant since 01-10-09. REACH Article 33 duty-to-inform applies: the part contains lead titanium zirconium oxide (CAS-No. 12626-81-2) above 0.1% w/w. The product group is 5333, group code R711.

MPN
3RV2021-4NA10-0DA0