Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens 3VA5150-6EC31-0AA0 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Panel Mount
Siemens
3VA5150-6EC31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5150-6EC31-0AA0
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens 3VA5150-6EC31-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
50A 3 Pole Molded Case Circuit Breaker
60A 3 Pole Molded Case Circuit Breaker
70A 3 Pole Molded Case Circuit Breaker
Description
Built for demanding electrical systems, this 3-pole MCCB from the 3VA5 family provides high-tier protection. It is equipped with a TM230 FTAM trip unit, combining a fixed thermal overload with an adjustable magnetic response. This panel-mount breaker is compatible with Siemens P1, P2, and P3 panelboards. It provides an exact upgrade path for legacy HED43B050 breakers. Load and line lugs are sold separately. Classified with a 65kAIC rating at 480V, it features a trip-free mechanism.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5150-6EC31-0AA0 |
| Series | 3VA5 |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Lugs, Handle Tie, Handle Lock, Padlock Attachment |
|---|---|
| Accessories | None (Lugs sold separately) |
| Standards | HACR, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, High Interrupting Capacity |
Product FAQs
6 answersWhich legacy Siemens breaker does the 3VA5150-6EC31-0AA0 replace?
This 3VA51 frame breaker provides a direct upgrade path for legacy ED-frame breakers, specifically replacing the HED43B050. Both share the same 50A, 3-pole, and 65kA at 480V ratings.
What is the maximum frame rating for the 3VA5150-6EC31-0AA0?
This breaker is built on the Siemens 3VA51 frame, which has a maximum continuous current capacity of 125A.
What type of trip unit is equipped on this breaker?
It features a TM230 thermal-magnetic trip unit. This provides a fixed thermal overload (Ir) and an adjustable magnetic instantaneous response (Ii) to fine-tune short-circuit protection.
What breaking capacity class does this 3VA5 breaker fall under?
The 3VA5150-6EC31-0AA0 is designated as a Class H (High) breaking capacity breaker, corresponding to its 65kA interrupting rating at 480V AC.
Can internal accessories be added to the 3VA5150-6EC31-0AA0?
Yes, the Siemens 3VA5 series features a modular design that accepts field-installable internal accessories, including shunt trips and auxiliary switches, in the accessory pockets.
Does the 3VA5150-6EC31-0AA0 include ground fault protection?
No, the integrated TM230 trip unit provides long-time and instantaneous (LI) protection against overloads and short circuits, but it does not feature integrated equipment ground fault protection.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
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.
Same Day Shipping
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.
Search
Rating
8 reviews
- EAEdward A.Verified BuyerReviewingSiemens 3VA5112-5EC31-0AA0 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Quick Shipping
Instock and quick free shipping over a $100
- JFJustin F.Verified BuyerReviewingSiemens 3VA5450-5EC31-0AA0 - 500A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/2/26SIEMENS BREAKER WAS SENT NEXT DAY...
ORDER CAME WHEN IT WAS PROMISSED AND WAS CORRECT... HAPPY CUSTOMER.
THANK YOU,
JUSTIN
- GMGary M.Verified BuyerRated 4 out of 5 stars6/19/26Hard to find Siemens breaker
Great product at a fair price
- RJRene J.Verified BuyerReviewingSiemens 3VA5212-6EF31-0AA0 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars4/13/26Siemens 3VA5212-6EF31-0AA0
Item arrived quickly and in perfect condition
- DTDENNIS T.Verified BuyerReviewingSiemens 3VA5220-6ED31-0AA0 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/15/26Breaker Purchase
Great price and fast shipment