Square D BDA140353 - Circuit Breaker | AmpState

Introducing the Square D BDA140353 molded case circuit breaker—a dependable solution for protecting branch circuits against overloads and short circuits in panelboards and loadcenters.

Engineered for durability and precise protection, this thermal-magnetic molded case breaker delivers stable, repeatable trip performance across a range of electrical conditions. Its compact design helps maximize panel space, making it ideal for tight or retrofit installations where space is at a premium.

Key features

• Compact molded case design for efficient use of panel space and easier wiring inside panelboards.
• Thermal-magnetic trip unit provides precise, predictable protection against overcurrent and short circuits, with repeatable trip characteristics you can rely on.
• OEM-loadcenter compatibility designed to work with matching Square D OEM loadcenters and panelboards for a seamless, code-compliant installation.
• Versatile application suitable for residential, commercial, and light industrial protection needs, backing up critical circuits with confidence.

What problems does it solve?

By continuously monitoring current levels, the BDA140353 automatically interrupts power when a fault or overload occurs, preventing insulation damage, nuisance tripping, and potential fire hazards. The thermal element handles gradual heating while the magnetic element reacts to sudden surges, delivering a fast, reliable response when you need it most.

Ideal use cases

• New installations where a compact breaker saves panel space.
• Retrofit projects requiring a replacement that matches OEM panelboards.
• Residential panels needing dependable overload and short-circuit protection.
• Light commercial or small industrial panels with demanding protection requirements.

Installation and compatibility tips

Ensure you select the Square D BDA140353 for panels and loadcenters listed as compatible with this part number. When in doubt, pairing with the matching OEM Square D panelboard guarantees code-compliant protection and consistent performance.

Why AmpState chooses Square D BDA140353

As a trusted part of our lineup, this molded case circuit breaker combines compact design, precise thermal-magnetic protection, and OEM compatibility to deliver reliable, long-term protection for electrical systems spanning homes to small commercial spaces. If you’re upgrading, replacing, or installing a new panel, the BDA140353 offers a straightforward, dependable protection solution with minimal space footprint and a clear path to compliant operation.