Siemens 3VA5150-4EF31-0AA0 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Panel Mount
Siemens
3VA5150-4EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5150-4EF31-0AA0
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Siemens 3VA5150-4EF31-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Designed for advanced circuit coordination, the Siemens 3VA5150-4EF31-0AA0 is a 3-pole, 50A molded case circuit breaker in the Sentron 3VA5 frame family. It installs into Siemens P1, P2, and P3 panelboards, and serves as an exact functional replacement for the obsolete ED63B050 to maintain existing systems. This model utilizes a TM240 trip unit with adjustable long-time and instantaneous (LI) functions (35-50A range). It delivers 25kAIC at 480VAC.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5150-4EF31-0AA0 |
| Series | 3VA5 |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC |
| Amperage Range | 35-50A |
|---|
| 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 | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Handle Lock, Padlock Attachment, Busbar System |
|---|---|
| Accessories | None (No Lugs Included) |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489 |
| Approval | CE, CSA, EAC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Non-Interchangeable Trip |
Product FAQs
5 answersWhich legacy Siemens circuit breaker does the 3VA5150-4EF31-0AA0 replace?
This 3VA5 breaker serves as a direct functional replacement for the obsolete Siemens ED63B050. It maintains the same 50A rating and 3-pole configuration for upgrading existing electrical apparatus.
What are the adjustment ranges for the TM240 trip unit on this breaker?
The TM240 ATAM trip unit features an adjustable thermal overload protection (Ir) range of 40A to 50A. The magnetic short-circuit protection (Ii) is also adjustable from 5 to 10 times the rated current, providing a trip range of 250A to 500A.
Which Siemens panelboards are compatible with the 3VA5150-4EF31-0AA0?
This molded case circuit breaker is designed for use with Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
What is the UL frame size for this circuit breaker?
The 3VA5150-4EF31-0AA0 is built on the Siemens 3VA51 frame, which is a UL 125A maximum frame size.
Can the 3VA5150-4EF31-0AA0 be used in reverse feed applications?
Yes, Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications.
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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