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Siemens 3VA5145-5ED31-0AA0 Molded Case Circuit Breaker
- 45A
- 3 Pole
- Panel Mount
Siemens
3VA5145-5ED31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5145-5ED31-0AA0
Quantity
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Siemens 3VA5145-5ED31-0AA0 - 45A 3 Pole Molded Case Circuit Breaker
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Description
Functioning as an advanced modernization path for aging ED43B045 and ED63B045 frames, this 45A three-pole breaker features fixed thermal-magnetic trip settings via its integrated TM210 unit. Designed for commercial and industrial facilities, it handles up to 35kAIC at 480VAC while providing essential long-time and instantaneous protection. The component installs into Siemens P1, P2, and P3 panelboards or switchboards, ensuring current-limiting reliability and medium interrupting capacity.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 85kA @ 500VDC |
| Frame Type | 3VA41 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment, DIN Rail Adapter, Lug Kits |
|---|---|
| Accessories | None (Nut Keeper Plate) |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | ABS, CCC, CE, CSA, DNV, EAC, GL, IEC, LRS, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Medium Interrupting Capacity |
Product FAQs
7 answersWhich Siemens panelboards are compatible with the 3VA5145-5ED31-0AA0?
This 3-pole breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards.
Can the 3VA5145-5ED31-0AA0 be used to upgrade older Siemens breakers?
Yes, this 3VA5 series breaker functions as an advanced modernization path and replacement for aging ED43B045 and ED63B045 frame circuit breakers.
Is the 3VA5145-5ED31-0AA0 rated for direct current (DC) systems?
Yes, it is rated for DC applications up to 500VDC, providing an interrupting capacity of 85kAIC. When applying 3-pole breakers on 500V ungrounded DC systems, the power supply must be connected in a zig-zag configuration through the breaker poles.
Is the 3VA5145-5ED31-0AA0 suitable for reverse feed applications?
Yes, all Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications.
Are the trip settings on the 3VA5145-5ED31-0AA0 adjustable?
No, this breaker features a TM210 thermal-magnetic trip unit with fixed thermal (long-time) and fixed magnetic (instantaneous) trip settings.
What is the interrupting capacity class of the 3VA5145-5ED31-0AA0?
This model features a Class M (medium) interrupting capacity. It is rated for 35kAIC at 480VAC, 18kAIC at 600Y/347VAC, and 85kAIC at 240VAC.
Is the 3VA5145-5ED31-0AA0 HACR rated?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits. It also utilizes a current-limiting design.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.
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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