Square D BJA260502 - 50 A, 2-Pole Plug-In Circuit Breaker | AmpState

Introducing the Square D BJA260502, a 50A, 2-pole plug-in molded-case circuit breaker engineered to safeguard your panelboards and loadcenters from overcurrent and short-circuit events. With a fast plug-in connection, this breaker accelerates installation and simplifies replacements, so you can restore power quickly and safely in residential, commercial, and light industrial environments.

Key advantages

• Fast plug-in installation — minimizes downtime by delivering a secure, quick connection to your panelboard.
• Thermal-magnetic trip unit — delivers stable, repeatable protection across varying loads and temperatures, helping prevent nuisance trips and providing reliable interruption when faults occur.
• 2-pole, 50A configuration — ideal for protecting multi-wire branch circuits and essential equipment with balanced, coordinated protection.
• OEM-compatible design — specifically engineered to fit matching Square D load centers and panelboards, ensuring proper fit and electrical coordination.
• Diverse applications — suitable for residential, commercial, and light industrial electrical distributions that demand dependable overcurrent and short-circuit protection.

Technical snapshot

• Manufacturer: Square D
• Part Number: BJA260502
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50 A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Perfect for updating or stocking a spare for panelboard maintenance, this breaker is a reliable choice when you need quick restoration of service after a fault. Use it to protect branch circuits in home subpanels, commercial service panels, or light industrial distribution enclosures, all while maintaining compatibility with your OEM load center design.

Why this matters

Choosing a plug-in, thermal-magnetic molded case breaker like the BJA260502 means you’re investing in predictable protection, streamlined serviceability, and durable performance across a range of operating conditions. Its precise 50A rating and two-pole configuration deliver targeted protection for circuits that require reliable interruption without unnecessary downtime, helping you maintain service continuity and electrical safety.