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Siemens 3VA2040-8JQ32-0AA0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2040-8JQ32-0AA0 SENTRON MCCB, 40 A, 3-Pole, 440 k

MPN3VA2040-8JQ32-0AA0
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Siemens SENTRON 3VA2 series, molded case circuit breaker, 3VA2040-8JQ32-0AA0, 40 A, 3-pole, 440 kA at 240 V, ETU560 release.

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

3VA2040-8JQ32-0AA0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Product versionLine protection
3VA2040-8JQ32-0AA0 — Ratings
ParameterValue
Number of poles3
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 classL
Breaking capacity at 240 V440 kA
Breaking capacity at 415 V330 kA
Breaking capacity at 440 V330 kA
Breaking capacity at 500 V220 kA
Breaking capacity at 690 V53 kA
Power loss, max.1.2 W
3VA2040-8JQ32-0AA0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeETU560
3VA2040-8JQ32-0AA0 — Construction & Connection
ParameterValue
Main circuit connection typeLug terminal
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA2040-8JQ32-0AA0 — Accessories & Functions
ParameterValue
Communication functionYes
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts0
3VA2040-8JQ32-0AA0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-40 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA2040-8JQ32-0AA0 — Mechanical
ParameterValue
Height181 mm
Width105 mm
Depth86 mm
Height (in)7.1 in
Width (in)4.1 in
Depth (in)3.4 in

Product details

What this MCCB delivers in a panel

It is a current-production part (lifecycle stage: current), so you are specifying a breaker Siemens plans to support. The 3-pole design handles three-phase loads, and the ETU560 electronic trip unit gives you adjustable time-current curves (tr from 0.5 to 25, tsd up to 0.5 s) for selectivity downstream.

This MCCB's interrupting rating is specified at multiple system voltages: 440 kA at 240 V, 330 kA at both 415 V and 440 V, 220 kA at 500 V, and 53 kA at 690 V. The 53 kA at 690 V is still well above typical industrial SCCR requirements; you are not bumping into limits even on 690 V mining or marine supplies.

Thermal performance and enclosure planning

Power loss is only 1.2 W maximum, so heat buildup inside the enclosure is minimal.

Communication and monitoring capability

That means you can integrate it into a higher-level monitoring system — useful for predictive maintenance or remote trip indication. The ETU560 release allows adjustable response times for both long-time (tr) and short-time (tsd) protection, giving you selectivity coordination with downstream breakers.

Frequently asked questions

What are the key dimensions of 3VA2040-8JQ32-0AA0?

The breaker measures 86 mm depth, 105 mm width, and 181 mm height (3.4 × 4.1 × 7.1 inches).

MPN
3VA2040-8JQ32-0AA0