Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens 3VA5140-6ED21-0AA0 Molded Case Circuit Breaker
- 40A
- 2 Pole
- Panel Mount
Siemens
3VA5140-6ED21-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5140-6ED21-0AA0
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens 3VA5140-6ED21-0AA0 - 40A 2 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
15A 2 Pole Molded Case Circuit Breaker
80A 2 Pole Molded Case Circuit Breaker
40A 3 Pole Molded Case Circuit Breaker
Description
Engineered for commercial and industrial applications, the Siemens 3VA5140-6ED21-0AA0 is a 2-pole MCCB from the SENTRON family. It provides reliable long-time and instantaneous (LI) protection. This panel mount breaker installs into Siemens P1, P2, and P3 panelboards, and serves as a direct replacement for legacy HED42B040 breakers.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA5140-6ED21-0AA0 |
| Series | 3VA5 |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 150kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 100kA @ 250VDC |
| 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 | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Padlock Attachment, Handle Tie, DIN Rail Adapter, Lug Kits |
|---|---|
| Accessories | None (Standard 0AA0 suffix indicates no auxiliary switches or releases) |
| Standards | HACR, IEC 60947-2, UL 489 |
| Approval | CE, CSA, EAC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the 3VA5140-6ED21-0AA0 breaker?
This breaker is compatible with Siemens P1, P2, and P3 panelboards, as well as Siemens switchboards equipped to accept 3VA frame breakers.
Is this circuit breaker suitable for DC voltage systems?
Yes, this unit supports direct current applications and is rated for use up to 250VDC with an interrupting capacity of 100kA.
Are the thermal and magnetic trip thresholds adjustable on this unit?
No, this breaker features a fixed thermal and fixed magnetic trip unit. Neither the overload nor the short-circuit response settings can be field adjusted.
What specific fault protection does the LI designation indicate?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time protection for sustained overloads and Instantaneous protection for severe short circuits.
How are line and load connections made on this breaker?
This model is configured for traditional panel mounting and comes equipped with standard mechanical lug terminals for direct wire connections.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.
Search
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