Verified
Consistent quality. We’ve added similar items to our regular reorder list.
MRO · Reorder
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
circuit-breaker
Siemens BQD6145 - 45 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState
| Part Number | BQD6145 |
| Amperes | 45 |
| Poles | 1 |
| Voltage | 347 |
| Product Type | circuit-breaker |
Regular price
$710.00
Sale price
$710.00
Regular price
Unit price
Save
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens BQD6145 - 45 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState
Regular price
$710.00
Sale price
$710.00
Regular price
Unit price
Product description
Shipping
Meet the Siemens BQD6145, a 45A, 347V, 1-pole bolt-on molded-case circuit breaker designed to safeguard each branch circuit in your panelboard or loadcenter. Built for reliable overcurrent and short-circuit protection, this unit is tailor-made for residential, commercial, and light industrial environments where dependable performance matters.
- Secure bolt-on mounting: a rigid, vibration-resistant bus connection that stays tight in busy electrical rooms and equipment enclosures.
- Thermal-magnetic trip unit: delivers stable, repeatable protection by combining thermal sensing with magnetic fast-trip action for sudden faults.
- OEM-compatible: designed to pair seamlessly with matching Siemens loadcenters and panelboards for consistent fit and operation.
- Versatile application: ideal for residential feeder circuits, commercial lighting and power distribution, and light industrial machinery feeds.
Technical snapshot
- Manufacturer: Siemens
- Part number: BQD6145
- Type: Thermal-magnetic molded case circuit breaker
- Amperage rating: 45 A
- Voltage rating: 347 V
- Number of poles: 1
- Mounting style: Bolt-on
- Application: Branch circuit overcurrent and short-circuit protection
Real-world use and benefits
In a residential subpanel, the BQD6145 provides focused protection for a single circuit with a dependable, vibration-resistant mount that resists loosening from equipment start-ups. In commercial settings, it safeguards lighting and receptacle feeders on 347V systems, helping prevent nuisance trips and potential damage from short circuits. For light industrial environments, its thermal-magnetic trip ensures quick response to faults while maintaining stable performance during normal operation.
Why choose this breaker? It integrates cleanly into Siemens panel ecosystems, delivering predictable performance, straightforward maintenance, and dependable protection where you need it most—so you can focus on the job at hand, not the electrical knock-on effects of a fault.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Support is responsive when we have questions about fit or application.
Purchasing · Quick answers
Verified
A reliable choice when we need industrial parts on short notice.
Service · Urgent replacement
