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Siemens 3VA1140-3EF36-0AD0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA1140-3EF36-0AD0 SENTRON MCCB, 40 A, 3-pole, 75.6

MPN3VA1140-3EF36-0AD0

Siemens SENTRON 3VA1140-3EF36-0AD0, molded case circuit breaker, 3-pole, 40 A, TM240 overcurrent release, 75.6 kA at 240 V, IP40 front, current-production.

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

3VA1140-3EF36-0AD0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Product versionLine protection
Integrated auxiliary / alarm switch ref.3VA9988-0AA12
3VA1140-3EF36-0AD0 — Ratings
ParameterValue
Number of poles3
Current at 40 °C40 A
Current at 45 °C40 A
Current at 50 °C40 A
Current at 55 °C38.4 A
Current at 60 °C37.6 A
Current at 65 °C36.8 A
Current at 70 °C36 A
Switching capacity classN
Breaking capacity at 240 V75.6 kA
Breaking capacity at 415 V52.5 kA
Breaking capacity at 440 V32 kA
Breaking capacity at 690 V10.5 kA
3VA1140-3EF36-0AD0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeTM240
3VA1140-3EF36-0AD0 — Construction & Connection
ParameterValue
Main circuit connection typebox terminal
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA1140-3EF36-0AD0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerNo
Trip indicatorNo
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts3
3VA1140-3EF36-0AD0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA1140-3EF36-0AD0 — Mechanical
ParameterValue
Height130 mm
Width76.2 mm
Depth70 mm

Product details

Its interrupting capacity hits 75.6 kA at 240 V and 52.5 kA at 415 V, so it handles high-fault utility feeds without cascading upstream.

Current derating and thermal reality

Above that, derating begins: 38.4 A at 55 °C, 37.6 A at 60 °C, 36.8 A at 65 °C, and 36 A at 70 °C. Rated insulation voltage is 800 V, and interrupting capacity at 690 V is still 10.5 kA — enough for 690 V industrial grids with moderate fault levels. Mechanical endurance is 15,000 cycles, typical for a distribution-grade MCCB.

Integration and auxiliary contacts

Three auxiliary switches (HQ type) are built in — enough for remote status feedback or interlocking without an add-on module. No trip indicator is fitted, so a remote indication relies on the auxiliary contacts.

Frequently asked questions

What is the interrupting capacity of this MCCB at 415 V?

52.5 kA at 415 V. At 240 V it is 75.6 kA, at 440 V it is 32 kA, and at 690 V it is 10.5 kA.

Where can I buy 3VA1140-3EF36-0AD0 and how is it quoted?

It is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

Does this breaker include a trip indicator or ground-fault monitoring?

No. It has no trip indicator and no ground-fault monitoring. It is a straight line-protection MCCB with a TM240 thermal-magnetic release.

MPN
3VA1140-3EF36-0AD0