Siemens 3VA5450-6EF31-0AA0 Molded Case Circuit Breaker
- 500A
- 3 Pole
- Panel Mount
Siemens
3VA5450-6EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5450-6EF31-0AA0
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens 3VA5450-6EF31-0AA0 - 500A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
450A 3 Pole Molded Case Circuit Breaker
600A 3 Pole Molded Case Circuit Breaker
600A 3 Pole Molded Case Circuit Breaker
Description
Engineered for commercial facilities, the Siemens 3VA5450-6EF31-0AA0 is a 3-pole, 500A molded case circuit breaker in the Sentron 3VA54 frame series. This MCCB integrates into Siemens switchboards and panelboards. It is also engineered as an exact replacement for the legacy HLD63B500. With a Class H breaking capacity, it provides a 65 kAIC rating at 480VAC. The TM240 trip unit allows users to adjust thermal and magnetic thresholds.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 350-500A |
|---|
| Frame Type | 3VA54 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator |
|---|---|
| Accessories | Nut Keeper |
| Standards | IEC 60947-2, UL 489 |
| Approval | ABS, CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
7 answersWhat types of panelboards and switchboards is the 3VA5450-6EF31-0AA0 compatible with?
This 3VA54 frame breaker is designed for use in Siemens distribution panelboards, such as the P4 and P5 series, as well as Siemens switchboards. It requires the appropriate mounting hardware or strap kit for installation.
Which mounting strap kit is needed to install this breaker in a Siemens P5 panelboard?
To single-mount a 3VA54 frame circuit breaker in a Siemens P4 or P5 power panelboard or switchboard, you will need the Siemens S3VA54TD copper strap kit.
What does the ATAM designation mean on the TM240 trip unit?
ATAM stands for Adjustable Thermal, Adjustable Magnetic. This allows you to adjust both the long-time overload protection (Ir) and the instantaneous short-circuit pickup (Ii) to properly coordinate with your electrical system.
Is the 3VA5450-6EF31-0AA0 rated for direct current (DC) systems?
Yes, in addition to its 600V AC rating, this molded case circuit breaker is rated for use in DC distribution systems up to 500V DC.
Can I use aluminum conductors with this 3VA54 frame breaker?
Yes, this breaker is compatible with both copper and aluminum conductors, provided it is equipped with the appropriate AL/CU rated lug kits, such as the Siemens 3VA9373 or 3VA9473 series, sized for your specific wire gauge.
Is this Siemens 500A breaker HACR rated?
Yes, the 3VA5450-6EF31-0AA0 is HACR rated, meaning it is certified to provide safe and reliable overload and short-circuit protection for Heating, Air Conditioning, and Refrigeration equipment.
What safety precautions must be followed when installing this 500A breaker?
Always de-energize and lock out all power sources supplying the panelboard or switchboard before installation. Verify that all phase barriers and terminal covers are correctly installed to prevent arc flash hazards and ensure safe operation.
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