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Siemens 3VA2140-0MQ36-0AA0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2140-0MQ36-0AA0 SENTRON MCCB, 40A, 440kA at 415V

MPN3VA2140-0MQ36-0AA0
Active

Siemens SENTRON 3VA2140-0MQ36-0AA0, molded case circuit breaker, 3-pole, 40 A, 440 kA at 415 V, ETU860M electronic trip unit, motor protection design.

Siemens 3VA2140-0MQ36-0AA0 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3VA2140-0MQ36-0AA0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
3VA2140-0MQ36-0AA0 — Ratings
ParameterValue
Number of poles3
Rated operational voltage Ue (AC)690 V
Rated insulation voltage Ui800 V
Current at 40 °C40 A
Current at 45 °C40 A
Current at 50 °C40 A
Current at 55 °C40 A
Current at 60 °C40 A
Current at 65 °C40 A
Current at 70 °C40 A
Switching capacity classE
Breaking capacity at 415 V440 kA
Breaking capacity at 690 V187 kA
Power loss, max.1.2 W
3VA2140-0MQ36-0AA0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeETU860M
Overcurrent protection functionLSIG
Ground-fault monitoringSummation current formation L-conductor
Grounding protection functionYes
3VA2140-0MQ36-0AA0 — Construction & Connection
ParameterValue
Main circuit connection typedouble-sided box terminal
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA2140-0MQ36-0AA0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerNo
Trip indicatorNo
Communication functionYes
Measurement functionYes
Motor drive optionYes
Auxiliary CO contacts0
3VA2140-0MQ36-0AA0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA2140-0MQ36-0AA0 — Mechanical
ParameterValue
Mechanical service life (operating cycles), typ.25 000
Height181 mm
Width105 mm
Depth86 mm
Height (in)7.13 in
Width (in)4.13 in
Depth (in)3.39 in

Product details

The Siemens SENTRON 3VA2140-0MQ36-0AA0 is a 3-pole molded case circuit breaker rated for 40 A continuous current (at 40 °C through 70 °C, no derating needed across that band) and a breaking capacity of 440 kA at 415 V. The ETU860M electronic trip unit is purpose-designed for motor protection, with adjustable trip classes (10A, 10/10E, 20/20E, 30/30E) to match the thermal curve of the motor load.

The 86 mm depth leaves room for rear-connected busbars or cable lugs in a typical 600 mm deep enclosure. Communication function is onboard, which means it can report status and trip events to a higher-level control system without an add-on module.

Frequently asked questions

Where can I buy 3VA2140-0MQ36-0AA0 and get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ for current pricing and availability — both are confirmed at quote time.

What is the breaking capacity of 3VA2140-0MQ36-0AA0 at 415 V?

440 kA at 415 V, which provides substantial fault-current headroom for high-capacity industrial installations.

What trip classes are adjustable on this MCCB?

The ETU860M electronic trip unit supports adjustable trip classes 10A, 10/10E, 20/20E, and 30/30E, allowing the thermal curve to be matched to the motor load's starting characteristics.

Does 3VA2140-0MQ36-0AA0 include phase failure detection?

Yes, phase failure detection is built into the ETU860M trip unit, protecting motors from single-phasing damage.

MPN
3VA2140-0MQ36-0AA0