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Siemens 3RV6021-4DA15 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV6021-4DA15 SIRIUS Motor Protection Circuit Breake

MPN3RV6021-4DA15

Siemens SIRIUS 3RV6021-4DA15 motor protection circuit breaker, Size S0, 3-pole, 25 A rated operational current, Trip Class 10, screw terminals, for 35 mm DIN rail.

Siemens 3RV6021-4DA15 datasheet (PDF)
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

3RV6021-4DA15 — Identification
ParameterValue
SeriesSIRIUS
Product designationCircuit breaker
Frame sizeS0
3RV6021-4DA15 — Electrical
ParameterValue
Rated operational current (Ie)25 A
Rated voltage690 V
Rated voltage, AC-3 (max.)690 V
Rated frequency50 ... 60 Hz
Rated insulation voltage (Ui), pollution degree 3690 V
Rated impulse withstand voltage (Uimp)6 kV
Number of poles3
3RV6021-4DA15 — Protection & Tripping
ParameterValue
Overload release setting range18 ... 25 A
Instantaneous short-circuit trip current325 A
Trip classCLASS 10
Short-circuit trip typemagnetic
Overload release typethermal
Short-circuit protectionYes
3RV6021-4DA15 — Connections
ParameterValue
Main-circuit terminal typescrew-type terminals
Main-circuit connector arrangementTop and bottom
Conductor cross-section, solid / stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section, finely stranded with ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor range, AWG (main contacts)2x (16 ... 12), 2x (14 ... 8)
3RV6021-4DA15 — Mechanical
ParameterValue
Height97 mm
Width45 mm
Depth96 mm
Mounting methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715
Mounting positionany
3RV6021-4DA15 — Environmental
ParameterValue
Operating temperature-20 ... +60 °C
Transport temperature-50 ... +80 °C
Relative humidity (operation)10 ... 95 %
Max. installation altitude2 000 m
3RV6021-4DA15 — Specifications
ParameterValue
Design Of The Productfor motor protection

Product details

Rated at 25 A operational current and 690 V maximum (AC-3), this breaker handles motor starting duty up to 15 operations per hour.

Clearance requirements: 50 mm above and below, 30 mm to the sides, zero forward or backward — tight enough for a crowded panel. The S0 frame size keeps the footprint to 45 × 97 × 96 mm (W × H × D). Main circuit terminals accept 2×(0.5…1.5 mm²) solid/stranded or 2×(0.75…2.5 mm²) with ferrules, or AWG 2×(16…12) / 2×(14…8). Auxiliary and control circuit terminals take 2×(0.5…1.5 mm²) solid or 2×(0.75…2.5 mm²) fine-stranded with end processing. Screw torque for main contacts: 2…2.5 N·m.

The 690 V AC-3 rating covers systems with margin.

MPN
3RV6021-4DA15