Siemens 3VA5150-4EC31-0AA0 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Panel Mount
Siemens
3VA5150-4EC31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5150-4EC31-0AA0
Quantity
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Siemens 3VA5150-4EC31-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
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50A 3 Pole Molded Case Circuit Breaker
50A 3 Pole Molded Case Circuit Breaker
Description
Built for commercial and industrial applications, the Siemens 3VA5150-4EC31-0AA0 provides robust circuit protection. This 3-pole, 50A molded case circuit breaker features a TM230 thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings. Designed for seamless integration, it mounts into Siemens 3VA panelboards and switchboards. It also serves as a modern replacement for legacy ED63B050 breakers.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5150-4EC31-0AA0 |
| 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 |
| 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 | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | None (No Lugs Included) |
| Standards | IEC 60947-2, UL 489, HACR Rated |
| Approval | ABS, CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersWhat equipment is the Siemens 3VA5150-4EC31-0AA0 compatible with?
This 3-pole breaker is designed for installation in Siemens 3VA panelboards and switchboards.
What is the frame size for the 3VA5150-4EC31-0AA0 circuit breaker?
This breaker is built on the Siemens 3VA51 frame, which has a maximum capacity of 125A.
What is the breaking capacity class of the 3VA5150-4EC31-0AA0?
This breaker features Siemens Standard (Class S) breaking capacity, which provides a 25kA interrupting rating at 480VAC.
What does the LI trip function indicate on the 3VA5150-4EC31-0AA0?
The LI designation means the thermal-magnetic trip unit provides Long-Time (L) and Instantaneous (I) protection. The thermal overload protection is fixed, while the instantaneous magnetic short-circuit protection is adjustable.
Is the Siemens 3VA5150-4EC31-0AA0 rated for reverse feed applications?
Yes, all Siemens 3VA5 thermal-magnetic trip circuit breakers are UL listed for reverse feed installations.
What is the operating temperature range for the 3VA5150-4EC31-0AA0?
This molded case circuit breaker has an operating temperature range of -25 to 70 degrees Celsius.
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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