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Siemens 3RV1021-1JA10-ZW96 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV1021-1JA10-ZW96 SIRIUS Motor Protection Circuit B

MPN3RV1021-1JA10-ZW96

Siemens SIRIUS motor protection circuit breaker, 3RV1021-1JA10-ZW96, 10 A continuous, CLASS 10 trip class, 100 kA breaking at 400 V AC, phase failure detection, screw terminals, 45 mm wide, IP20 front, DIN-rail mount.

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

3RV1021-1JA10-ZW96 — Identification
ParameterValue
SeriesSIRIUS
Product designationcircuit breaker
3RV1021-1JA10-ZW96 — 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)9.25 W
Power loss, per pole (AC, hot)3.1 W
3RV1021-1JA10-ZW96 — Protection & Tripping
ParameterValue
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)42 kA
Breaking capacity at 690 V (AC)6 kA
Phase-failure detectionYes
Ground-fault detectionNo
3RV1021-1JA10-ZW96 — Endurance & Switching
ParameterValue
Endurance, main contacts (typ.)100 000
Switching frequency, AC-3 (max.)15 1/h
3RV1021-1JA10-ZW96 — 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)
3RV1021-1JA10-ZW96 — Mechanical
ParameterValue
Height97 mm
Width45 mm
Depth96 mm
Mounting positionany
3RV1021-1JA10-ZW96 — Environmental
ParameterValue
Operating temperature-20 ... +60 °C
Storage temperature-50 ... +80 °C
Transport temperature-50 ... +80 °C
3RV1021-1JA10-ZW96 — Specifications
ParameterValue
Design Of The Productfor motor protection

Product details

Motor protection circuit breaker, 10 A, CLASS 10, 100 kA

The Siemens SIRIUS 3RV1021-1JA10-ZW96 is a motor protection circuit breaker rated for 10 A continuous current with a CLASS 10 trip characteristic, meaning it will trip within 10 seconds at 7.2× rated current — fast enough to protect standard induction motors during locked-rotor conditions without nuisance tripping on normal starts. This is a standard feature on SIRIUS motor-protection breakers and saves adding a separate phase-monitor relay.

At 45 mm wide, it occupies a single modular unit — useful when packing multiple motor branches into a compact panel. Main circuit terminals are screw-type, accepting 2x (1 … 2.5 mm²) solid or stranded, or 2x (2.5 … 6 mm²) — covers common motor-feeder wire sizes up to 6 mm². No auxiliary contacts are pre-installed (0 supplied), but the breaker accepts add-on auxiliary switch blocks if remote status signaling is needed.

Frequently asked questions

What is the breaking capacity of 3RV1021-1JA10-ZW96 at 400 V?

100 kA at 400 V AC, which is sufficient for most industrial panel fault-current levels without requiring upstream fuses.

What wire sizes does the 3RV1021-1JA10-ZW96 accept on the main terminals?

Screw terminals accept 2x (1 … 2.5 mm²) solid or stranded, or 2x (2.5 … 6 mm²) — covers standard motor-feeder conductors up to 6 mm².

Where can I buy 3RV1021-1JA10-ZW96 and how is it quoted?

This part is sourced to order through independent distribution. Submit an RFQ for current availability and pricing — confirmed at quote time, not from a live stock feed.

MPN
3RV1021-1JA10-ZW96