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Siemens 3VA5120-6ED21-0AA0 Molded Case Circuit Breaker
- 20A
- 2 Pole
- Panel Mount
Siemens
3VA5120-6ED21-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA5120-6ED21-0AA0
Quantity
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Siemens 3VA5120-6ED21-0AA0 - 20A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Siemens 3VA5120-6ED21-0AA0 provides reliable long-time and instantaneous (LI) protection. This 2-pole, 20A molded case circuit breaker features a TM210 trip unit with fixed thermal and magnetic settings. It installs into Siemens P1, P2, P3, P4, and P5 panelboards using the appropriate mounting kit. Serving as a seamless upgrade, it replaces older HED42B020 and ED62B020 models while offering a robust 65kAIC rating at 480VAC.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA5 |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 100kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards (requires mounting kit), Switchboards, Motor Control Centers |
| 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, Manual Operator |
|---|---|
| Accessories | None (Nut Keeper Plate) |
| Standards | IEC 60947-2, UL 489, HACR |
| Approval | CE, CSA, EAC, IEC, UL, VDE |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated |
Product FAQs
7 answersWhich Siemens panelboards accept the 3VA5120-6ED21-0AA0 circuit breaker?
This breaker is compatible with Siemens P1, P2, P3, P4, and P5 panelboards. A separate mounting kit is required to install it in these panels. It can also be used in Siemens switchboards and motor control centers.
What is the frame size for this 3VA5 circuit breaker?
The 3VA5120-6ED21-0AA0 is built on the Siemens 125A frame size.
Can the trip settings on this 20A breaker be adjusted in the field?
No, this breaker is equipped with a TM210 thermal-magnetic trip unit that has fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection.
Is this Siemens 3VA5 breaker rated for reverse feeding?
Yes, Siemens 3VA5 thermal-magnetic circuit breakers are UL listed for reverse feed applications.
Can this breaker be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications up to 250VDC, providing an interrupting capacity of 100kA at 250VDC.
Is the 3VA5120-6ED21-0AA0 breaker HACR rated?
Yes, this Siemens 3VA5 circuit breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications. It is also SWD (Switching Duty) and HID (High-Intensity Discharge) rated.
Which legacy Siemens circuit breaker frame does the 3VA5 series replace?
The Siemens 3VA5 series is the direct replacement for the legacy Siemens ED frame circuit breakers.
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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