SQUARE D N250MJ Panelboard Main Breaker KIT,250A,20W 22P070

The SQUARE D N250MJ Panelboard Main Breaker KIT, 250A (catalog code 22P070), is engineered to deliver dependable electrical distribution for demanding industrial, commercial, and residential environments. Built to integrate with the N250MJ panelboard family, this kit provides a solid, real-world solution for panel upgrades, retrofit projects, and maintenance replacements where reliability is non-negotiable.

Why this kit stands out

• Robust 250A main breaker: Designed to support substantial service capacity and future growth, helping you avoid frequent replacements.
• Exact-fit for N250MJ panels: Specifically crafted to match Square D’s N250MJ panelboard geometry and electrical characteristics for a straightforward, dependable install.
• Strategic for maintenance and upgrades: A practical choice for retrofit work, service upgrades, or stocking spares to minimize downtime.
• Trusted brand with proven reliability: SQUARE D is renowned for durable, consistent performance in critical distribution applications.

Who it’s for

• Electricians performing panel upgrades or replacements in industrial, commercial, or demanding residential settings.
• Panel builders and MRO teams seeking reliable, readily available components for service work.
• Projects requiring quick, predictable interchange with existing N250MJ panelboards.

Ideal use cases

• Upgrading aging panel infrastructure to meet higher load demands without a full panel replacement.
• Retrofit projects where a dependable main breaker kit is needed to restore optimal protection and control.
• Maintaining ready-to-deploy spares for critical service work, reducing downtime during outages or maintenance windows.

Key specifications

• Amperage rating: 250A
• Panel compatibility: SQUARE D N250MJ panelboards
• Catalog / part code: 22P070

With the SQUARE D N250MJ Panelboard Main Breaker KIT, you get a purpose-built solution that aligns with real-world needs: durable performance, precise fit, and a clear path to safer, more capable electrical distribution. Whether you’re upgrading, retrofitting, or maintaining critical infrastructure, this kit helps you deliver dependable protection and solid uptime for your electrical system.