Designed for high-capacity fault protection, the 3VA4125-6ED14-0AA0 is a 1-pole, 25A molded case circuit breaker from the SENTRON 3VA4 frame group. It utilizes fixed thermal and magnetic trip elements to deliver precise LI protection. This panel-mount MCCB integrates into Siemens P1 through P5 panelboards and switchboards. It is engineered to replace legacy LGB1B025B breakers. Rated for 150kA at 120VAC, this current-limiting breaker is HACR and HID rated, and supports reverse feed.
HACR Rated, Current Limiting, Reverse Feed, HID Rated
Product FAQs
6 answers
Which panelboards are compatible with the Siemens 3VA4125-6ED14-0AA0?
This panel-mount molded case circuit breaker integrates directly into Siemens P1, P2, P3, P4, and P5 panelboards, as well as compatible Siemens switchboards.
Can the 3VA4125-6ED14-0AA0 replace older Siemens breakers?
Yes, this 3VA41 frame breaker is engineered to replace legacy Siemens LGB1B025B circuit breakers in existing electrical systems.
Is the Siemens 3VA4125-6ED14-0AA0 suitable for HVAC or lighting applications?
Yes, this 25A breaker is HACR rated for heating, air conditioning, and refrigeration equipment. It is also HID rated for high-intensity discharge lighting circuits and supports reverse feed applications.
What wire sizes are accepted by the terminals on the 3VA4125-6ED14-0AA0?
The preinstalled load-side lugs on this breaker accept 14 AWG to 8 AWG copper or aluminum (Cu/Al) conductors.
What type of trip unit is installed in the 3VA4125-6ED14-0AA0?
It features a factory-preset TM210 thermal-magnetic trip unit. This provides fixed long-time (thermal) and fixed instantaneous (magnetic) LI protection without requiring additional configuration.
What is the maximum interrupting capacity of this 25A breaker?
The 3VA4125-6ED14-0AA0 features a Class H breaking capacity. It is rated to safely clear fault currents up to 150kA at 120V AC, 65kA at 277V AC, and 25kA at 347V AC.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
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