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Siemens 3VA5150-6EF31-0AA0 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Panel Mount
Siemens
3VA5150-6EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5150-6EF31-0AA0
Quantity
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Siemens 3VA5150-6EF31-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding commercial and industrial environments, the Siemens 3VA5150-6EF31-0AA0 is a 3-pole, 50A molded case circuit breaker from the SENTRON family. It provides reliable line protection with a high-performance 125A frame design. This panel-mount breaker installs into Siemens 3VA panelboards and switchboards. It serves as a direct, modernized replacement for legacy ED63B050 breakers.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5150-6EF31-0AA0 |
| 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 |
| Amperage Range | 40-50A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens 3VA 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, Padlock Attachment, Motor Operator, Lugs |
|---|---|
| Accessories | Lugs Not Included |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | ABS, CE, CSA, EAC, IEC, RCM, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated |
Product FAQs
6 answersWhat legacy Siemens breaker does the 3VA5150-6EF31-0AA0 replace?
This 3VA5 series breaker serves as a direct, modernized replacement for the legacy ED63B050 circuit breaker.
What frame size is the 3VA5150-6EF31-0AA0 built on?
It utilizes the Siemens 3VA51 frame design, which is a 125A maximum frame size configured here for a 50A continuous current rating.
What adjustability does the TM240 trip unit offer?
The thermal magnetic trip unit features Adjustable Thermal and Adjustable Magnetic (ATAM) settings, allowing precise tuning of both the long-time overload and instantaneous short-circuit protection parameters.
Is this circuit breaker suitable for HVAC applications?
Yes, it carries an HACR rating, meaning it is tested and approved for use with heating, air conditioning, and refrigeration equipment.
What breaking capacity class does this breaker fall under?
It is designated as a Class H breaker, which indicates a high breaking capacity of 65kA at 480VAC.
Can this breaker be installed in reverse feed applications?
Yes, the 3VA5150-6EF31-0AA0 is reverse feed capable, allowing for flexible installation in panels where the line and load connections need to be swapped.
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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