Designed for industrial use, the Siemens 3VA4140-6ED14-0AA0 is a 1-pole, 40A molded case circuit breaker. It fits Siemens P1, P2, and P3 panelboards. This panel mount MCCB replaces legacy ED61B040 breakers. The 3VA41 frame ensures a compact footprint while maintaining high performance in demanding systems. Featuring a TM210 thermal-magnetic trip unit, it delivers fixed long-time and instantaneous (LI) protection. It boasts a 65kAIC rating at 277VAC.
Which Siemens panelboards are compatible with the 3VA4140-6ED14-0AA0 breaker?
This 3VA41 frame breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
What type of wire can be installed in the terminals of this breaker?
The factory-installed lugs accept 14 AWG to 8 AWG wire and are rated for both copper (Cu) and aluminum (Al) conductors.
What type of protection does the LI trip function provide?
The LI designation indicates Long-Time and Instantaneous trip functions. This provides standard thermal overload protection (Long-Time) and magnetic short-circuit protection (Instantaneous).
Are the thermal and magnetic trip settings adjustable on this model?
No, the 3VA4140-6ED14-0AA0 features a fixed thermal and fixed magnetic trip unit. The settings cannot be adjusted in the field.
Is this molded case circuit breaker suitable for direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 125 VDC, making it suitable for specific control circuits and battery systems within its voltage limit.
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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