Siemens BQ3B08000S01 - 80 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BQ3B08000S01 — an 80 A, 240 V, 3-pole bolt-on molded case circuit breaker engineered for可靠 branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to endure in demanding environments, this unit combines precise protection with a dependable mounting method for long-term performance.

What makes the BQ3B08000S01 stand out

• Secure bolt-on mounting creates a rigid, vibration-resistant connection to the bus. This design minimizes loosening over time, reducing maintenance needs and ensuring consistent electrical performance in panels that experience vibration or movement.
• Thermal-magnetic trip unit delivers stable, repeatable protection. The coordinated response to both overloads and short circuits helps prevent nuisance trips while safeguarding conductors and attached equipment.
• OEM-compatible design crafted for seamless integration with matching Siemens or OEM panelboards and load centers, helping preserve system integrity and ease of service.
• Versatile, three-pole configuration well-suited for three-phase feeders and robust residential, commercial, and light industrial applications requiring reliable 80 A protection at 240 V.

Technical snapshot

• Manufacturer: Siemens
• Part Number: BQ3B08000S01
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Three-phase motor feeders and equipment in light industrial settings
• Commercial lighting panels and HVAC distribution with reliable protection against faults
• Residential panelboards where a rugged, bolt-on solution is preferred for secure, long-term performance

Practical installation tips

• Confirm panelboard compatibility with bolt-on breakers and ensure a proper fit with the OEM bus system before installation.
• Follow manufacturer torque specifications for the mounting bolts to maintain the integrity of the bus connection and prevent loosening from vibration.
• Use this 80 A, 240 V, 3-pole unit as the protective link for branch circuits that require solid fault interruption and dependable protection against short circuits.

Available from AmpState, the Siemens BQ3B08000S01 delivers targeted, dependable protection for critical circuits while offering installation that’s aligned with Siemens’ panelboard ecosystems. If you’re upgrading or stocking replacement parts for panelboards and load centers, this bolt-on molded case breaker provides robust performance and straightforward integration for residential, commercial, and light industrial applications.