Engineered for commercial and industrial applications, the Siemens 3VA5140-4EC31-0AA0 is a 3-pole molded case circuit breaker rated for 40 amps. It features a TM230 thermal-magnetic trip unit with fixed long-time and adjustable instantaneous (LI) protection. This breaker installs into Siemens P1, P2, and P3 panelboards and switchboards. As a modern upgrade, it serves as a direct cross-reference for discontinued ED63B040 and ED43B040 models. Rated 25kAIC at 480VAC and HACR certified.
HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism
Product FAQs
6 answers
Which Siemens panelboards are compatible with the 3VA5140-4EC31-0AA0?
This 3VA5 frame circuit breaker is designed for use with Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards.
What does the "4" in the 3VA5140-4EC31-0AA0 catalog number indicate?
The "4" designates it as a Class S breaking capacity breaker, which provides a 25kA interrupting rating at 480VAC.
What is the DC interrupting rating for this 3VA5 breaker?
It is rated for 50kA at 500VDC, making it suitable for high-capacity direct current applications.
Which trip unit is installed in the 3VA5140-4EC31-0AA0?
It is equipped with a TM230 thermal-magnetic trip unit, which provides fixed long-time (thermal) and adjustable instantaneous (magnetic) protection functions.
Does the 3VA5 series replace older Siemens breaker frames?
Yes, the 3VA51 molded case circuit breakers are the modern replacements for legacy Siemens ED frame breakers, offering a more compact design and modular accessories.
Can the 3VA5140-4EC31-0AA0 be reverse fed?
Yes, all Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications.
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 4.8 out of 5 based on 8 reviews.