Square D QO1351021 35A 1-Pole 240 V Circuit Breaker

Square D QO1351021 is a rugged 35A, single‑pole, 240 V circuit breaker designed for use in Square D QO load centers. Built for dependable overcurrent protection, it helps keep 240‑volt circuits safe from overloads and faults, so your electrical system operates reliably day in and day out.

Key reasons to choose this breaker:

• Exact fit for QO panels — engineered for seamless installation in Square D QO enclosures, providing a secure, code‑compliant fit without the need for adapters.
• Thermal‑magnetic trip mechanism — delivers fast, predictable interruption for overloads and short circuits, protecting wiring and connected equipment.
• Durable construction — built to withstand regular operation in residential and light commercial settings, delivering long‑lasting performance.
• UL‑listed and code‑ready — a trusted component that supports compliant electrical installations within QO system configurations.
• Compact 1‑Pole design for 240 V — protects a 240 V branch circuit within the constraints of a single‑pole device, enabling flexible panel layouts in compatible installations.

Ideal for electricians, contractors, and DIY enthusiasts who are upgrading or expanding 240 V protection in Square D QO panels. If you need a precise, reliable 35 A protection device for a 240 V circuit, the QO1351021 delivers targeted safety and compatibility you can trust.

Practical notes for installation and use:

• Verify panel compatibility: ensure your load center is a Square D QO series panel to pair with the QO1351021.
• Follow proper safety practices: disconnect power and confirm the circuit is de‑energized before replacing or installing breakers.
• Check labeling and documentation: use the part number QO1351021 to match the breaker to your panel’s specifications and local codes.