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Siemens BQD6315 Molded Case Circuit Breaker
- 15A
- 3 Pole
- Bolt-On
Siemens
BQD6315
Molded Case Circuit Breaker
Brand
Siemens
SKU
BQD6315
Quantity
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Siemens BQD6315 - 15A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding commercial environments, this 15A, 3-phase molded case circuit breaker delivers reliable long-time and instantaneous protection. The BQD frame device utilizes a quick-make/quick-break mechanism for enhanced safety. Designed for compatibility, it bolts securely into Siemens P1, P2, and P3 panelboards. The breaker accommodates 14-6 AWG copper or 12-6 AWG aluminum wiring. Rated at 10kAIC at 600Y/347VAC, it is HACR certified for heating and cooling equipment.Specifications
| Brand | Siemens |
|---|---|
| Part Number | BQD6315 |
| Series | BQD6 |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 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 |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No. 5 |
| Approval | CSA |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
7 answersWhich Siemens panelboards accept the BQD6315 circuit breaker?
This bolt-on breaker is designed for direct installation into Siemens P1, P2, and P3 series distribution panelboards.
Can the BQD6315 be used in reverse feed applications?
Yes, Siemens BQD6 series molded case circuit breakers feature a non-interchangeable trip design that is suitable for reverse feed applications.
What is the difference between Siemens BQD and BQD6 circuit breakers?
Both share the same physical footprint and panelboard compatibility. However, standard BQD breakers are UL listed for systems up to 480Y/277VAC. The BQD6 series is CSA certified for higher voltage systems up to 600Y/347VAC and is not UL listed.
Where do internal accessories mount on the BQD6315?
Field-installable internal accessories, including shunt trips, auxiliary switches, and alarm switches, must be mounted exclusively on the left side of the BQD6 frame.
Can I mount the BQD6315 on a DIN rail?
No, the BQD6315 is a bolt-on breaker designed for panelboard bus connections. If you need a DIN rail mountable equivalent, look for the Siemens CQD6 series, which features line and load side lugs for independent mounting.
Does the BQD6315 include a quick-make, quick-break mechanism?
Yes, this breaker utilizes a trip-free, quick-make and quick-break toggle mechanism. This ensures the contacts open and close independently of the handle speed, preventing arcing and improving safety.
Is the BQD6315 suitable for HVAC equipment protection?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration motor group applications.
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