Square D QBM22200TN - 200 A, 2-Pole Bolt-On Circuit Breaker | AmpState

The Square D QBM22200TN is a dependable 200 A, 2-pole bolt-on molded case circuit breaker designed to shield panelboards and load centers from overcurrent and short-circuit events. Built for installers who value solid, long-term protection, this unit delivers reliable performance in a range of settings—from homes to light commercial spaces.

• Secure bolt-on mounting: a rigid, vibration-resistant bus connection that stays square under demanding conditions, reducing wear and drift over time.
• Thermal-magnetic trip unit: combines precise thermal protection with fast magnetic trip response, delivering stable, repeatable protection while minimizing nuisance trips.
• OEM-compatible installation: engineered to pair with matching OEM load centers and panelboards for a seamless, field-friendly replacement or upgrade.
• Versatile application: ideal for residential, commercial, and light industrial circuits that require solid branch-circuit protection without sacrificing space or simplicity.

Key benefits in practice

• Protects essential feeder and branch circuits from overloads and short circuits, helping to prevent panel damage and electrical fires.
• Maintains consistent protection performance across varying loads and conditions thanks to its thermal-magnetic trip design.
• Offers a straightforward upgrade path for panelboards and loadcenters that require a robust, high-current 2-pole solution.

Technical snapshot

• Manufacturer: Square D
• Part Number: QBM22200TN
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 200 A
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the Square D QBM22200TN? Contractors and homeowners who demand a resilient, high-capacity breaker that plugs into compatible OEM panels without drama. If you’re upgrading an aging panel or designing a new installation for a residential or light commercial environment, this 2-pole bolt-on breaker delivers the reliability, compatibility, and protection you rely on day after day.