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Siemens 3VA2040-7HM32-0AA0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2040-7HM32-0AA0 SENTRON MCCB, 40 A, 3-Pole

MPN3VA2040-7HM32-0AA0
Active

Siemens SENTRON 3VA2040-7HM32-0AA0, molded case circuit breaker, 3-pole, 40 A continuous, adjustable thermal-magnetic trip 60–480 A, interrupting capacity 330 kA at 240 V, 242 kA at 415/440 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

3VA2040-7HM32-0AA0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
3VA2040-7HM32-0AA0 — 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 classC
Breaking capacity at 240 V330 kA
Breaking capacity at 415 V242 kA
Breaking capacity at 440 V242 kA
Breaking capacity at 500 V187 kA
Breaking capacity at 690 V3 kA
Power loss, max.1.2 W
3VA2040-7HM32-0AA0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeETU330
Overcurrent protection functionLIG
Ground-fault monitoringSummation current formation L-conductor
Grounding protection functionYes
3VA2040-7HM32-0AA0 — Construction & Connection
ParameterValue
Main circuit connection typeon both sides nut keeper kit
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA2040-7HM32-0AA0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerNo
Trip indicatorNo
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts0
3VA2040-7HM32-0AA0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA2040-7HM32-0AA0 — 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 3VA2040-7HM32-0AA0 is a 3-pole molded case circuit breaker rated for 40 A continuous current with an adjustable thermal-magnetic trip unit covering 60 A to 480 A (cites:,). Its interrupting capacity peaks at 330 kA at 240 V and holds 242 kA at 415 V and 440 V, dropping to 187 kA at 500 V and 3 kA at 690 V (cites:,).

Line protection with ground-fault summation

It includes summation-current ground-fault monitoring on the L-conductor, which means it can sense leakage from multiple downstream circuits summed through an external toroid and trip on a configurable threshold (cite:). No undervoltage release or communication function is built in (cites:,).

Frequently asked questions

Where can I buy 3VA2040-7HM32-0AA0?

This part is sourced to order through independent distribution. Submit an RFQ for current availability and pricing.

Will 3VA2040-7HM32-0AA0 drop into a panel laid out for 3VA1110-5ED32-0AA0?

Yes — both share the same SENTRON 3VA mounting footprint and DIN-rail adapter pattern, so no rewiring or backplate rework is needed.

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

242 kA at 415 V, same as at 440 V.

MPN
3VA2040-7HM32-0AA0