SIEMENS
SIEMENS BQ2B030 Circuit Breaker BQ Series 30A 2 Pole 120/240V AC
A 30 A, two-pole bolt-on breaker rated 120/240 V AC with 10 kA interrupting capacity for Siemens panelboards
- Reliable overload protection with 10 kA interrupting rating at 120/240V AC
- Fits standard Siemens panelboards using bolt-on mounting style
- Handles 30 A loads across two poles for single-phase circuits
- Accepts wire sizes from 14 AWG copper to 6 AWG maximum
- Operates safely up to 104 °F maximum ambient temperature
Siemens BQ2B030 30 A Bolt-On Breaker
The Siemens BQ2B030 is a standard miniature circuit breaker rated at 30 A and 120/240 V AC. It uses a two-pole, bolt-on design that fits compatible Siemens panelboards. The toggle actuator provides manual switching and clear trip indication. A 10 kA interrupting rating handles typical residential fault currents.
Two-Pole Protection for Compatible Load Centres
This breaker suits electricians and homeowners adding a 240 V circuit such as a dryer, water heater or sub-panel in a Siemens load centre. It accepts copper wire from 14 AWG to 6 AWG and aluminium from 12 AWG to 6 AWG. Installers needing a plug-on style, a different ampere rating, or a DC rating should select another model.
10 kA Interrupting Rating at 120/240 V AC
The decisive specification is the maximum AIR of 10 kA at the rated voltage. If the panelboard or local code requires a higher interrupting capacity, this breaker will not meet that requirement. Verify the available fault current before specifying this device.
Highlights
- Reliable overload protection with 10 kA interrupting rating at 120/240V AC
- Fits standard Siemens panelboards using bolt-on mounting style
- Handles 30 A loads across two poles for single-phase circuits
- Accepts wire sizes from 14 AWG copper to 6 AWG maximum
- Operates safely up to 104 °F maximum ambient temperature
Specifications
| Brand | SIEMENS |
|---|
Questions about this item
What comes in the box with the SIEMENS BQ2B030 and what must be purchased separately?
The breaker itself is supplied; mounting hardware and panelboard bus connections are part of the host enclosure, while 12 to 6 AWG copper or 12 to 6 AWG aluminium conductors are sourced separately.
How do I choose between the available versions of this 30 A two-pole breaker?
Only one version is listed — 30 A, two-pole, 120/240 V AC, bolt-on mounting, 10 kA interrupting rating — so selection is simply confirming those ratings match the panelboard schedule.
What does the 10 kA AIR rating mean once the breaker is installed in a real panel?
It indicates the breaker can safely interrupt up to 10 000 amps of fault current at 120/240 V AC, provided the panelboard’s available fault current does not exceed that value.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
