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Siemens 3VA1140-3EF36-0AG0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA1140-3EF36-0AG0 SENTRON MCCB, 40 A, 75.6 kA at 24

MPN3VA1140-3EF36-0AG0

Siemens SENTRON 3VA1140-3EF36-0AG0, 3-pole molded case circuit breaker, 40 A rated current, TM240 thermal-magnetic release, line protection design, breaking capacity 75.6 kA at 240 V.

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

3VA1140-3EF36-0AG0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Basic switch (supplied) ref.3VA11403EF360AA0
Integrated auxiliary / alarm switch ref.3VA9988-0AB11
3VA1140-3EF36-0AG0 — 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 °C39 A
Current at 60 °C39 A
Current at 65 °C38 A
Current at 70 °C37 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 500 V11.9 kA
Breaking capacity at 690 V11.9 kA
Power loss, max.10.8 W
3VA1140-3EF36-0AG0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeTM240
Overcurrent protection functionLI
Ground-fault monitoringWithout
Grounding protection functionNo
3VA1140-3EF36-0AG0 — Construction & Connection
ParameterValue
Main circuit connection typebox terminal on both sides
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA1140-3EF36-0AG0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerNo
Trip indicatorYes
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts2
3VA1140-3EF36-0AG0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA1140-3EF36-0AG0 — Mechanical
ParameterValue
Mechanical service life (operating cycles), typ.20 000
Height130 mm
Width76.2 mm
Depth70 mm
Height (in)5.12 in
Width (in)3 in
Depth (in)2.76 in

Product details

Siemens SENTRON 3VA1140-3EF36-0AG0 — 40 A MCCB with TM240 Release

The Siemens SENTRON 3VA1140-3EF36-0AG0 is a 3-pole molded case circuit breaker (MCCB) rated for line protection, carrying a continuous current of 40 A up to 50 °C and derating to 37 A at 70 °C. Its TM240 thermal-magnetic release provides fixed overload and short-circuit protection for feeder and distribution circuits in industrial panels.

Breaking Capacity and Voltage Ratings

Rated breaking capacity reaches 75.6 kA at 240 V, dropping to 52.5 kA at 415 V, 32 kA at 440 V, and 11.9 kA at both 500 V and 690 V. This covers most low-voltage distribution fault levels in North American (240/480 V) and IEC (400/690 V) systems.

The breaker holds full 40 A rating from 40 °C through 50 °C, then steps down: 39 A at 55 °C and 60 °C, 38 A at 65 °C, 37 A at 70 °C. Maximum power loss is 10.8 W, manageable in a standard enclosure with natural convection. A trip indicator is present for visual fault identification.

Frequently asked questions

Where can I buy 3VA1140-3EF36-0AG0?

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

What is the breaking capacity of 3VA1140-3EF36-0AG0 at 415 V?

At 415 V the breaking capacity is 52.5 kA. At 240 V it is 75.6 kA, at 440 V it is 32 kA, and at 500 V and 690 V it is 11.9 kA.

What does the TM240 release designation mean?

TM240 indicates a thermal-magnetic (fixed) overcurrent release rated for 40 A continuous. The breaker holds 40 A up to 50 °C ambient, then derates to 37 A at 70 °C.

MPN
3VA1140-3EF36-0AG0