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Siemens 3RV1021-0CA10-ZW97 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV1021-0CA10-ZW97 SIRIUS Motor Circuit Breaker, 0.2

MPN3RV1021-0CA10-ZW97

Siemens SIRIUS motor-protective circuit breaker, 3RV1021-0CA10-ZW97, 0.25 A continuous, 0.06 kW at 400 V, Trip Class 10, 100 kA breaking capacity, IP20, screw terminals, DIN-rail mount.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RV1021-0CA10-ZW97 — Identification
ParameterValue
SeriesSIRIUS
Product designationcircuit breaker
3RV1021-0CA10-ZW97 — Electrical
ParameterValue
Rated voltage690 V
Rated voltage, AC-3 (max.)690 V
Rated impulse withstand voltage (Uimp)6 000 V
Number of poles3
Power loss (AC, hot)5.5 W
Power loss, per pole (AC, hot)1.8 W
3RV1021-0CA10-ZW97 — Protection & Tripping
ParameterValue
Overload release setting range0.18 ... 0.25 A
Trip classCLASS 10
Breaking capacity at 240 V (AC)100 kA
Breaking capacity at 400 V (AC)100 kA
Breaking capacity at 500 V (AC)100 kA
Breaking capacity at 690 V (AC)100 kA
Phase-failure detectionYes
Ground-fault detectionNo
Auxiliary switch extendableYes
3RV1021-0CA10-ZW97 — Endurance & Switching
ParameterValue
Auxiliary CO (changeover) contacts0
3RV1021-0CA10-ZW97 — Connections
ParameterValue
Main-circuit terminal typescrew-type terminals
Main-circuit connector arrangementfront side
Conductor cross-section, finely stranded with ferrule2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
Conductor range, AWG (main contacts)2x (14 ... 10)
3RV1021-0CA10-ZW97 — Mechanical
ParameterValue
Height97 mm
Width45 mm
Depth96 mm
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Mounting positionany
3RV1021-0CA10-ZW97 — Environmental
ParameterValue
Operating temperature-20 ... +60 °C
Storage temperature-50 ... +80 °C
Transport temperature-50 ... +80 °C
Max. installation altitude2 000 m
3RV1021-0CA10-ZW97 — Specifications
ParameterValue
Design Of The Productfor motor protection

Product details

The Siemens 3RV1021-0CA10-ZW97 is a SIRIUS motor-protective circuit breaker rated for 0.25 A continuous current and 0.06 kW at 400 V AC, Trip Class 10, with phase-failure detection built in. That 0.25 A rating means it protects a small motor — fractional-horsepower pumps, fans, or conveyor drives — against overload and short-circuit.

Main and auxiliary/control circuits use screw-type terminals; solid and stranded wire sizes are 2x (1 to 2.5 mm²) and 2x (2.5 to 6 mm²), with AWG equivalents 14 to 10.

Frequently asked questions

What is the breaking capacity of 3RV1021-0CA10-ZW97?

100 kA at 240 V, 400 V, 500 V, and 690 V AC — that's consistent across the voltage range, so you don't need to derate for higher supply voltages.

Will 3RV1021-0CA10-ZW97 drop into a panel that was specified around 3RV1011-0GA10 without rewiring?

Both are 45 mm wide SIRIUS motor-protective breakers on the same DIN-rail footprint, so the mechanical fit is the same. The 3RV1021-0CA10-ZW97 has a 0.25 A continuous rating versus the 3RV1011-0GA10's rating — verify the motor's full-load current before swapping, because the trip curve and Class 10 protection are identical in function but the current setting must match the load.

How do I get current pricing and availability for 3RV1021-0CA10-ZW97?

Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.

MPN
3RV1021-0CA10-ZW97