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Siemens BQ3B025 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Bolt-On
Siemens
BQ3B025
Molded Case Circuit Breaker
Brand
Siemens
SKU
BQ3B025
Quantity
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Siemens BQ3B025 - 25A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens BQ3B025 - 25A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | BQ3B025 |
| Series | BQ |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | BQ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, CSA C22.2 No. 5, HACR Rated |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
Sold out
Quantity
Siemens BQ3B025 - 25A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | BQ3B025-R |
| Series | BQ |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | BQ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, CSA C22.2 No. 5, HACR Rated |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
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Description
Providing essential circuit defense, this 25A three-pole breaker utilizes standard thermal-magnetic trip mechanisms for commercial applications. It carries a 10kAIC rating at 240VAC, making it suitable for everyday industrial and facility power distribution needs. The unit mounts into Siemens panelboards via a sturdy bolt-on connection, ensuring reliable performance without the risk of loosening.Specifications
| Brand | Siemens |
|---|---|
| Part Number | BQ3B025 |
| Series | BQ |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | BQ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | UL 489, CSA C22.2 No. 5, HACR Rated |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens BQ3B025 circuit breaker?
The BQ3B025 is designed for use in Siemens BQ-type panelboards, including standard P1, P2, and P3 series distribution panels that accept bolt-on BQ frame breakers.
Is the Siemens BQ3B025 suitable for HVAC equipment?
Yes, this breaker is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration equipment involving motor-driven loads.
How does the BQ3B025 connect to the panel bus?
This is a bolt-on circuit breaker. It secures directly to the panelboard bus bar using screws, providing a highly secure mechanical and electrical connection compared to plug-in types.
What is the difference between Siemens BQ and BQD frame breakers?
While BQ and BQD breakers share a similar 1-inch per pole width, BQD breakers are rated for up to 480Y/277VAC systems. The BQ3B025 is strictly rated for 240VAC maximum. Always verify your panel labeling before substituting frame types.
Does the BQ3B025 provide ground-fault or arc-fault protection?
No, this is a standard thermal magnetic branch circuit breaker. It provides essential protection against overloads and short circuits but does not include GFCI or AFCI technology.
Does this 3-pole breaker feature a common trip mechanism?
Yes, the BQ3B025 utilizes an internal common trip. If an overcurrent or short circuit event occurs on any single pole, it will simultaneously disconnect all three legs of the circuit to prevent single-phasing on connected 3-phase equipment.
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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.
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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 4.9 out of 5 based on 73 reviews.
Reviews Summary
Generated by AI from 67 most recent customer reviews
Last updated 6/3/26
Customers say these breakers arrive quickly and fit perfectly for their electrical needs. Fast shipping and competitive pricing are frequently mentioned, with many users appreciating the availability of hard-to-find and older-style breakers. The products are well-packaged and arrive in good condition. Most customers report successful installations and reliable performance. A few note missing items from orders or concerns about product condition, though the majority express satisfaction with their purchases and indicate they would order again.
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Rating
73 reviews
- HSHector S.Verified BuyerReviewingSiemens BQ3B100H - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/27/26Perfect replacement
Fit perfectly and good price
- AFAnthony F.Verified BuyerReviewingSiemens BQ2B020 - 20A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/25/26works as expected
works as expected
- MSMike S.Verified BuyerReviewingEaton / Cutler-Hammer BQ250250 - 50/50A Quadplex Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/12/26Electrical company
Breaker worked awesome thank you very much
- PEPhilip E.Verified BuyerReviewingSiemens BQ3B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/10/26Siemens BQ3B020
The breaker arrived as described and on time. It works as expected. I will order from SuperBreakers again in the future without hesitation.
- PLPaul L.Verified BuyerReviewingSiemens BQ1B020 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/23/26Breaker
Quick shipping. Exact fit.