Engineered for commercial and industrial use, the Siemens 3VA4140-5ED34-0AA0 is a 3-pole, 40A molded case circuit breaker from the SENTRON 3VA4 frame group. This panel mount MCCB installs into Siemens P1, P2, and P3 panelboards. It serves as an upgraded replacement for legacy ED43B040 breakers. Featuring a TM210 thermal-magnetic trip unit, it delivers an interrupting capacity of 35kA at 480V. The breaker is HACR and HID rated for specialized loads.
Which Siemens panelboards accept this 3VA41 breaker?
This breaker installs into Siemens P1, P2, and P3 panelboards, as well as standard Siemens switchboards. Depending on the specific panelboard generation, a dedicated mounting strap kit may be required for installation.
Does the 3VA4140-5ED34-0AA0 replace older Siemens breakers?
Yes, the 3VA4 series is the modern replacement for legacy ED frame breakers. This specific 40A, 3-pole model directly replaces the older ED43B040 circuit breaker.
What wire sizes do the standard lugs accept?
The factory-installed lugs on this breaker accommodate 14 AWG to 8 AWG aluminum or copper conductors.
Is the 3VA4140-5ED34-0AA0 UL listed for reverse feed applications?
Yes, all Siemens 3VA41 thermal-magnetic circuit breakers are UL listed for reverse feeding.
What do the 5 and E signify in the 3VA4140-5ED34-0AA0 catalog number?
The 5 designates the breaking capacity class, which provides a 35kA interrupting rating at 480VAC. The E indicates it is equipped with a TM210 thermal-magnetic trip unit featuring fixed long-time and instantaneous (LI) protection.
Can this MCCB be applied on DC systems?
Yes, it is rated for use on direct current systems up to 250VDC with an 85kA interrupting capacity. When applying a 3-pole breaker on DC systems, ensure the poles are wired according to Siemens DC application guidelines.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 5 reviews.
Siemens 3VA4160-4ED34-0AA0 - 60A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
7/27/26
SuperBreakers has you covered
SuperBreakers has you covered when you’re in a pinch and need breakers at the last minute. Their customer service is excellent, and the team consistently goes above and beyond to help. I highly recommend them!
RS
Rob S.
Verified Buyer
Reviewing
Siemens 3VA4150-6ED34-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
4/8/26
50 amp breaker
Very helpful and arrived quickly.
JB
Josh B.
Verified Buyer
Reviewing
Siemens 3VA4130-4ED24-0AA0 - 30A 2 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
3/5/26
Breakers
Exactly as described. Quick shipping.
JL
Jeff L.
Verified Buyer
Reviewing
Siemens 3VA4120-6ED14-0AA0 - 20A 1 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
2/11/26
Better than new
Great condition and fast shipping
KC
Ken C.
Verified Buyer
Reviewing
Siemens 3VA4150-4ED34-0AA0 - 50A 3 Pole Molded Case Circuit Breaker