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Siemens 3VA2025-8KP42-0AA0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2025-8KP42-0AA0 SENTRON MCCB, 25A, 4-Pole, ETU850

MPN3VA2025-8KP42-0AA0
Active

Siemens SENTRON 3VA2025-8KP42-0AA0, 4-pole molded case circuit breaker, 25 A rated, ETU850 electronic trip unit, breaking capacity 440 kA at 240 V AC.

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

3VA2025-8KP42-0AA0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
3VA2025-8KP42-0AA0 — Ratings
ParameterValue
Number of poles4
Rated operational voltage Ue (AC)690 V
Rated insulation voltage Ui800 V
Current at 40 °C25 A
Current at 45 °C25 A
Current at 50 °C25 A
Current at 55 °C25 A
Current at 60 °C25 A
Current at 65 °C25 A
Current at 70 °C25 A
Switching capacity classL
Breaking capacity at 240 V440 kA
Breaking capacity at 415 V330 kA
Breaking capacity at 440 V330 kA
Breaking capacity at 500 V220 kA
Breaking capacity at 690 V52.5 kA
Power loss, max.0.5 W
3VA2025-8KP42-0AA0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeETU850
Overcurrent protection functionLSI
Ground-fault monitoringWithout
Grounding protection functionNo
3VA2025-8KP42-0AA0 — Construction & Connection
ParameterValue
Main circuit connection typeon both sides nut keeper kit
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA2025-8KP42-0AA0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerNo
Trip indicatorNo
Communication functionYes
Measurement functionYes
Motor drive optionYes
Auxiliary CO contacts0
3VA2025-8KP42-0AA0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA2025-8KP42-0AA0 — Mechanical
ParameterValue
Mechanical service life (operating cycles), typ.25 000
Height181 mm
Width140 mm
Depth86 mm
Height (in)7.13 in
Width (in)5.51 in
Depth (in)3.39 in

Product details

Breaking capacity at every voltage level

The 3VA2025-8KP42-0AA0: This MCCB delivers 440 kA at 240 V AC, 330 kA at 415 V and 440 V, 220 kA at 500 V, and 52.5 kA at 690 V. That means it handles the full fault-current range from a 240 V lighting panel to a 690 V motor control center without needing a current-limiting upstream breaker — a single device covers the SCCR requirement across common industrial voltages.

Thermal performance across the panel ambient range

That's unusual for an MCCB; most need a knock-down above 50 °C. The ETU850 electronic trip handles the thermal memory, so nuisance tripping on warm restart is minimal.

Listed as current production. ETU850 trip unit and communication function included.

Frequently asked questions

Will the 3VA2025-8KP42-0AA0 drop into a panel specified for 5SQ2670-2YA63?

Not directly. The 5SQ2670 series are Siemens Sirius 3RV motor starter protectors with different frame dimensions and mounting. The 3VA2025-8KP42-0AA0 is a full-frame MCCB (140 x 181 x 86 mm) requiring dedicated breaker mounting — it will not bolt into a 3RV cutout or DIN rail footprint without panel rework.

MPN
3VA2025-8KP42-0AA0