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Siemens 3VA2440-5MN32-0KC0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2440-5MN32-0KC0 SENTRON MCCB, 400 A, 3-Pole, Moto

MPN3VA2440-5MN32-0KC0

Siemens SENTRON 3VA2440-5MN32-0KC0, molded case circuit breaker, 3-pole, 400 A, motor protection design, shunt trip release, 2 auxiliary switches HQ.

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

3VA2440-5MN32-0KC0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Basic switch (supplied) ref.3VA2440-5MN32-0AA0
Integrated auxiliary / alarm switch ref.3VA9988-0AA12
3VA2440-5MN32-0KC0 — Ratings
ParameterValue
Number of poles3
Rated operational voltage Ue (AC)690 V
Rated insulation voltage Ui800 V
Current at 40 °C400 A
Current at 45 °C400 A
Current at 50 °C400 A
Current at 55 °C400 A
Current at 60 °C400 A
Current at 65 °C400 A
Current at 70 °C400 A
Switching capacity classM
Breaking capacity at 240 V187 kA
Breaking capacity at 415 V121 kA
Breaking capacity at 440 V121 kA
Breaking capacity at 500 V75.6 kA
Breaking capacity at 690 V9 kA
Power loss, max.63.5 W
3VA2440-5MN32-0KC0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeETU350M
Overcurrent protection functionLSI
Ground-fault monitoringWithout
Grounding protection functionNo
3VA2440-5MN32-0KC0 — Construction & Connection
ParameterValue
Main circuit connection typeon both sides nut keeper kit
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA2440-5MN32-0KC0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerYes
Trip indicatorNo
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts2
3VA2440-5MN32-0KC0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA2440-5MN32-0KC0 — Mechanical
ParameterValue
Mechanical service life (operating cycles), typ.20 000
Height248 mm
Width138 mm
Depth110 mm
Height (in)9.76 in
Width (in)5.43 in
Depth (in)4.33 in

Product details

Ratings that matter for the panel

That's unusual and simplifies panel design in warm enclosures. The 110 mm depth and 138 mm width on a 248 mm tall frame mean it fits standard SENTRON mounting footprints; if you're swapping into an existing 3VA lineup, the mechanical lug centers and bus-bar pitch stay consistent.

Physical and environmental limits

Maximum power loss is 63.5 W — relevant for enclosure thermal calculations if you're stacking multiple breakers. The voltage trigger is present; undervoltage release is not fitted on this variant.

Frequently asked questions

Does the 3VA2440-5MN32-0KC0 include phase failure protection?

Yes, phase failure detection is built into this motor-protection MCCB design. It trips on loss of a phase, which a standard feeder breaker will not do.

What auxiliary switches and releases come with this breaker?

It ships with two factory-fitted HQ auxiliary switches and a shunt trip (STL) release. No undervoltage release is included on this variant.

MPN
3VA2440-5MN32-0KC0