Siemens BQ2B020HC Molded Case Circuit Breaker
- 20A
- 2 Pole
- Bolt-On
Siemens
BQ2B020HC
Molded Case Circuit Breaker
Brand
Siemens
SKU
BQ2B020HC
Quantity
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Siemens BQ2B020HC - 20A 2 Pole Molded Case Circuit Breaker
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Description
Featuring specialized ring tongue terminals, the Siemens BQ2B020HC is a 2-pole, 20A molded case circuit breaker built for high-vibration environments. It utilizes a common trip, thermal-magnetic mechanism to deliver precise overload protection. This bolt-on breaker installs into Siemens P1 through P5 panelboards. It serves as a direct substitute for BAB2020H and THQB2120 breakers in compatible systems. Rated for 120/240VAC, it boasts a 22kAIC interrupting capacity and carries an HACR rating.Specifications
| Brand | Siemens |
|---|---|
| Part Number | BQ2B020HC |
| Series | BQH |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | Siemens Panelboards (P1, P2, P3, P4, P5) |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG (Cu), 6 AWG (Al) |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Ring Tongue Terminals |
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Non-Interchangeable Trip, High Interrupting Capacity |
Product FAQs
5 answersWhich Siemens panelboards will accept the BQ2B020HC circuit breaker?
This bolt-on breaker is compatible with Siemens P1, P2, P3, P4, and P5 series panelboards.
Is the BQ2B020HC suitable for HVAC equipment?
Yes, this molded case circuit breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
How does the BQ2B020HC differ from the standard BQ2B020?
The "H" in the catalog number designates a higher interrupting capacity. The BQ2B020HC provides a 22kAIC rating at 240V, whereas the standard BQ2B020 is rated for 10kAIC.
Are the terminals on the BQ2B020HC rated for aluminum conductors?
Yes, the screw and clamp terminals are dual-rated for both copper and aluminum wire. They accept 14 to 6 AWG copper or 12 to 6 AWG aluminum conductors.
Can the BQ2B020HC be backfed in a panel?
Yes, this thermal magnetic breaker can be reverse fed. Under UL 489 guidelines, breakers without dedicated "LINE" and "LOAD" terminal markings are suitable for backfeed applications.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 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
2 reviews
- YRYoan R.Verified BuyerReviewingSiemens BQ2B125H - 125A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/19/26Best prices and quality 🫶
Best prices and quality 🫶
- JDJames D.ReviewingSiemens BQ2B030H - 30A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/13/17shop manager
thanks for the fast accurate service