Siemens BQD6245 - 45 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BQD6245 45A, 600V, 2-Pole Bolt-On Molded Case Circuit Breaker from AmpState—a purpose-built protection solution designed to keep panels and distribution systems safe, stable, and ready for duty. Engineered for dependable branch-circuit overcurrent and short-circuit protection, it’s a smart choice for installations that demand reliability and precise coordination with Siemens OEM loadcenters and panelboards.

• Secure bolt-on mounting: Provides a rigid, vibration-resistant bus connection that stays locked in place through demanding electrical environments, reducing movement, arcing, and wear over time.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining overcurrent (thermal) sensing with rapid magnetic response for short circuits, helping to minimize nuisance trips while guarding circuits against damaging faults.
• 2-pole, 45A, 600V rating: Ideal for 240V loads and lightweight industrial or commercial circuits, with ample headroom for controlled fault isolation in panelboards and loadcenters.
• OEM compatibility: Specifically designed to align with matching Siemens OEM loadcenters and panelboards, ensuring clean fits, proper bus alignment, and seamless trip coordination.
• Versatile application: Suitable for residential, commercial, and light industrial installations where robust protection and durable construction are essential.
• Molded-case durability: Built for long-term reliability in electrical systems, maintaining consistent performance under typical panelboard operating conditions.

The Siemens BQD6245 is a true two-pole solution for branch‑circuit protection, combining a rugged bolt-on format with a thermal-magnetic trip that responds precisely to overloads and short circuits. Its 45A current rating and 600V voltage rating make it a practical choice for modern electrical distributions where safety and reliability matter most.

Who benefits most

• Electricians and facilities managers installing or upgrading Siemens-compatible panelboards and loadcenters
• Residential projects requiring dependable 2-pole protection for 240V circuits
• Commercial spaces and light industrial setups that need repeatable fault protection with minimal maintenance

Key specifications at a glance

• Manufacturer: Siemens
• Part Number: BQD6245
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 45A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

With the Siemens BQD6245, you’re choosing a proven, purpose-built solution that aligns with Siemens’ ecosystem while delivering the durability and precise protection modern panel systems demand. It’s the thoughtful, reliable choice for safeguarding electrical infrastructure in homes, offices, and light industrial environments alike.