A compact solution for commercial systems, the Siemens 3VA4125-4ED14-0AA0 is a 1-pole, 25A molded case circuit breaker. It offers precise long-time and instantaneous protection. This bolt-on MCCB mounts into Siemens P1, P2, and P3 panelboards. It provides a seamless upgrade path for systems using the discontinued ED41B025, ensuring a perfect fit. Featuring a 65kA rating at 120VAC, it includes reverse feed capabilities and is fully HACR rated.
HACR Rated, Reverse Feed, Current Limiting, HID Rated
Product FAQs
5 answers
Which Siemens panelboards accept the 3VA4125-4ED14-0AA0 circuit breaker?
This bolt-on breaker is engineered for installation in Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards.
What are the wire size requirements for the terminal lugs?
The factory lugs on this breaker accept 14 AWG to 8 AWG copper conductors and 12 AWG to 8 AWG aluminum conductors.
Is this circuit breaker rated for direct current (DC) applications?
Yes, the 3VA4125-4ED14-0AA0 is rated for use in DC systems up to 125VDC with an interrupting capacity of 14kA.
Can the trip unit settings be adjusted in the field?
No, this model features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous (LI) protection settings are factory set and cannot be modified.
Does this breaker support DIN rail mounting?
No, this is a bolt-on molded case circuit breaker designed to bolt directly to the busbars of compatible Siemens distribution equipment.
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Shipping
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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