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Siemens HED42B025 Molded Case Circuit Breaker
- 25A
- 2 Pole
- Bolt-On
Siemens
HED42B025
Molded Case Circuit Breaker
Brand
Siemens
SKU
HED42B025
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Siemens HED42B025 - 25A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial distribution, the Siemens HED42B025 is a 2-pole, 25A molded case circuit breaker. As part of the Sentron ED frame series, it utilizes thermal-magnetic trip technology. This breaker features a bolt-on mounting style, installing securely into Siemens P1, P2, and P3 panelboards. It is replaced by the 3VA5125-6EC21-0AA0, which requires an additional mounting kit for panelboard integration. Delivering a 42kAIC rating at 480VAC, it handles high fault currents.Specifications
| Brand | Siemens |
|---|---|
| Series | HED4 |
| Amperage | 25A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 42kA @ 480VAC, 30kA @ 250VDC |
| Frame Type | HED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards are compatible with the HED42B025?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
What wire sizes are accepted by the lugs on this breaker?
The factory-installed lugs accept 14 to 10 AWG copper wire or 12 to 10 AWG aluminum wire.
Can the HED42B025 be used in DC circuits?
Yes, this breaker is rated for DC applications up to 250VDC with an interrupting capacity of 30kA.
What is the difference between the ED4 and HED4 frame breakers?
The HED4 series features a higher interrupting rating of 42kA at 480VAC compared to the standard ED4 series, making it suitable for systems with higher available fault currents.
How is this breaker installed into the panel?
It features a bolt-on mounting style, requiring it to be bolted directly to the panelboard bus bars. Always verify the panel is de-energized before installation.
What frame size does the HED42B025 belong to?
It is part of the Siemens Sentron ED frame family of molded case circuit breakers.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 13 reviews.
Total 5 star reviews: 13 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
13 reviews
- PMPete M.Verified BuyerReviewingSiemens HED43B060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/19/26Good price - Best website
Awesome price on an item. easy to use website made finding the right breaker and purchasing it super easy
- BCBrad C.Verified BuyerReviewingSiemens HED43B070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/12/26Thank You
The breaker works perfectly, but I'm more impressed by the fast, prompt delivery. Will be using you again, thank you.
- MLMichael L.Verified BuyerReviewingSiemens HED43B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/15/26Siemens breaker
Return customer, always great service and quick delivery. A+++
- JMJonathan M.Verified BuyerReviewingSiemens HED43B030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/10/26Breaker
Fast Delivery, just what I ordered !!
- RFRussell F.Verified BuyerReviewingSiemens HED41B040 - 40A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/6/26Just what I ordered
Straight forward, simple process. On time delivery.