Square D | QOBXD163 | Circuit Breaker | 63A | 1-Pole | Bolt-On

Meet the Square D QOBXD163 circuit breaker — a precise 63A, 1-Pole, Bolt-On solution designed for maintenance, retrofit, and replacement projects where exact compatibility matters. When your panel calls for a bolt-on, single-pole protection device, the QOBXD163 is built to fit and perform with confidence.

Key specifications at a glance

• Amperage: 63A
• Poles: 1-Pole
• Mounting: Bolt-On

Why this breaker stands out

• Exact part reference: The QOBXD163 is the best reference for compatibility—use the part number to confirm fit with your panel and ensure proper protection.
• Secure, durable mounting: Bolt-On mounting delivers solid mechanical retention and reliable electrical contact in compatible enclosures.
• Targeted protection: A dedicated 63A, single-pole breaker suited for circuits that require precise overcurrent protection within the appropriate Square D panel family.

Ideal use cases

• Maintenance: Keep a known-good spare on hand for fast, code-conscious panel servicing.
• Retrofit: Upgrade or replace existing single-pole protection where the QOBXD163 specification matches the panel requirements.
• Replacement: Restore original protection characteristics in panels that specify a 1-Pole, bolt-on 63A device with the QOBXD163 part number.

Installation & compatibility tips

• Always confirm fit and ratings before ordering. The part number QOBXD163 should be your primary reference to ensure compatibility with your panel model.
• Use in panels that support bolt-on, single-pole breakers of this exact amperage rating to maintain proper protection and electrical clearances.
• Keep in mind that this unit is purpose-built for scenarios requiring a 63A, 1-Pole, bolt-on design; verify that your installation matches these specifications.

Designed by Square D for dependable overcurrent protection, the QOBXD163 delivers a straightforward, exact-match solution for installations that demand a precise, bolt-on, single-pole breaker. If your project calls for the QOBXD163, you’re choosing a part whose compatibility is guided by the exact part number and the featured 63A, 1-Pole, bolt-on configuration.