Utilizing fixed thermal and magnetic trip elements, this 25A, 3-pole MCCB provides essential protection for commercial circuits. It is part of the advanced 3VA4 frame lineup, designed to meet rigorous safety standards. The breaker mounts securely into Siemens P1, P2, and P3 panelboards, allowing facility managers to replace legacy HED43B025 breakers easily. Boasting a robust 35kAIC rating at 480V, it offers excellent current-limiting capabilities and reverse-feed compatibility.
HACR Rated, Reverse Feed, Current Limiting, HID Rated
Product FAQs
5 answers
Which panelboards are compatible with the 3VA4125-5ED34-0AA0, and what legacy breakers does it replace?
This breaker mounts securely into Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards. It serves as the direct modern replacement for legacy HED43B025 breakers in these systems.
Is this breaker suitable for reverse-feed applications?
Yes, the 3VA4125-5ED34-0AA0 features reverse-feed compatibility. This allows it to be back-fed safely for applications like solar installations or generator inputs without compromising its protective functions.
What does the LI trip function indicate on this breaker?
The LI designation means the breaker uses fixed thermal and fixed magnetic trip elements. This provides Long-Time protection against overloads and Instantaneous protection against short circuits.
Is the 3VA4125-5ED34-0AA0 a current-limiting circuit breaker?
Yes, this MCCB offers excellent current-limiting capabilities. During a high-level fault, it quickly extinguishes the arc to reduce let-through energy, protecting downstream wiring and equipment.
Can the 3VA4125-5ED34-0AA0 be used in DC circuits?
Yes, in addition to standard AC commercial voltages, this breaker is rated for up to 250VDC with an 85kA interrupting capacity, making it suitable for specialized direct current applications.
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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