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Siemens 3VA5140-5EF31-0AA0 Molded Case Circuit Breaker
- 40A
- 3 Pole
- Panel Mount
Siemens
3VA5140-5EF31-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5140-5EF31-0AA0
Quantity
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Siemens 3VA5140-5EF31-0AA0 - 40A 3 Pole Molded Case Circuit Breaker
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40A 3 Pole Molded Case Circuit Breaker
40A 3 Pole Molded Case Circuit Breaker
40A 3 Pole Molded Case Circuit Breaker
Description
Built for industrial power distribution, the Siemens 3VA5140-5EF31-0AA0 is a 3-pole, 40A molded case circuit breaker from the 3VA5 frame lineup. It provides robust line protection with a Class M breaking capacity, handling up to 35kA at 480VAC. This panel-mount breaker installs into Siemens P1, P2, and P3 panelboards. It is designed to replace discontinued CED63B040 breakers, ensuring a smooth upgrade path for existing infrastructure. The unit features a TM240 adjustable trip unit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5140-5EF31-0AA0 |
| Series | 3VA5 |
| Amperage | 40A |
| 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 |
| Amperage Range | 32-40A |
|---|
| 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, Rotary Handle, Padlock Attachment, Lug Kits |
|---|---|
| Accessories | None (Nut Keeper Included) |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | ABS, CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism |
Product FAQs
5 answersWhich Siemens panelboards accept the 3VA5140-5EF31-0AA0 circuit breaker?
This 3-pole molded case circuit breaker is designed for panel mount installation in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
What does the Class M breaking capacity mean for this 3VA5 breaker?
The -5 in the part number designates a Class M medium interrupting capacity. This provides a maximum interrupting rating of 35kA at 480VAC and 85kA at 240VAC for robust line protection.
What are the adjustment ranges for the TM240 trip unit on this 40A breaker?
The ATAM (Adjustable Thermal, Adjustable Magnetic) trip unit allows the continuous thermal current (Ir) to be set between 32A and 40A. The instantaneous magnetic trip (Ii) can be adjusted between 200A and 400A.
Is the 3VA5140-5EF31-0AA0 a replacement for older Siemens CED breakers?
Yes, this 125A-frame 3VA5 breaker is the designated replacement for the discontinued Siemens CED63B040, providing a direct upgrade path for existing 40A, 3-pole applications.
Can this 3-pole breaker be used in DC power systems?
Yes, the 3VA5140-5EF31-0AA0 is rated for DC applications up to 500VDC with an 85kA interrupting rating when all three poles are wired in series according to Siemens guidelines.
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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