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Siemens 3RV1021-0JA15 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV1021-0JA15 SIRIUS Motor Protection Circuit Breake

MPN3RV1021-0JA15

Siemens SIRIUS motor protection circuit breaker, 3RV1021-0JA15, rated 1 A continuous current, Trip Class 10, 100 kA breaking capacity at 400 V AC, screw-type terminals, IP20 front protection.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RV1021-0JA15 — Identification
ParameterValue
SeriesSIRIUS
Product designationcircuit breaker
3RV1021-0JA15 — 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)7.25 W
Power loss, per pole (AC, hot)2.4 W
3RV1021-0JA15 — Protection & Tripping
ParameterValue
Overload release setting range0.7 ... 1 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
3RV1021-0JA15 — Endurance & Switching
ParameterValue
Auxiliary CO (changeover) contacts0
3RV1021-0JA15 — Connections
ParameterValue
Main-circuit terminal typescrew-type terminals
Main-circuit connector arrangementfront side
Conductor cross-section, finely stranded with ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor range, AWG (main contacts)2x (14 ... 10)
3RV1021-0JA15 — 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
3RV1021-0JA15 — Environmental
ParameterValue
Operating temperature-20 ... +60 °C
Storage temperature-50 ... +80 °C
Transport temperature-50 ... +80 °C
Max. installation altitude2 000 m
3RV1021-0JA15 — Specifications
ParameterValue
Design Of The Productfor motor protection

Product details

Motor Protection Circuit Breaker – 1 A, Class 10, 100 kA

The Siemens 3RV1021-0JA15 is a SIRIUS motor protection circuit breaker designed for motor loads up to 0.25 kW at 400 V AC-3 duty, with a continuous current rating of 1 A and Trip Class 10 thermal protection. Breaking capacity is 100 kA across the full AC voltage range (240 V through 690 V), so it safely interrupts high fault currents without cascading to upstream devices.

Dimensions: 45 mm wide, 97 mm high, 96 mm deep — fits standard control-panel layouts with no side clearance required. IP20 protection on the front allows installation in enclosed panels where no water ingress is expected. Screw-type terminals on main and auxiliary circuits accept solid conductors 2x (0.5–1.5 mm²) and 2x (0.75–2.5 mm²), or stranded 2x (1–2.5 mm²) and 2x (2.5–6 mm²). AWG equivalents for main contacts: 2x (14–10).

The SIRIUS series includes other motor protection breakers with different current ratings (e.g., 3RV1011-0HA10, 3RV1011-0GA10, 3RV2021-1FA15), but the 3RV1021-0JA15 is the 1 A Class 10 variant with 100 kA breaking capacity.

Shock resistance: 25g / 11 ms. The part carries a substance prohibitance date of 01.05.2012, indicating RoHS/REACH compliance as of that date.

Frequently asked questions

Where can I buy 3RV1021-0JA15?

This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing.

What is the breaking capacity of 3RV1021-0JA15?

The breaking capacity is 100 kA at AC 240 V, 400 V, 500 V, and 690 V.

What compliance documentation does Siemens provide for 3RV1021-0JA15?

The part carries a substance prohibitance date of 01.05.2012, indicating RoHS and REACH compliance as of that date. The SIRIUS series typically includes UL, CSA, and IEC certifications; verify specific certs with the datasheet.

MPN
3RV1021-0JA15