Square D HJA260302AABC 260302A 2-Pole 600 V Circuit Breaker

Meet the Square D HJA260302AABC 2-Pole 600 V Circuit Breaker — a robust protection device designed to safeguard two hot circuits in higher‑voltage electrical systems. Listed by part number HJA260302AABC and commonly referenced as 260302A or 260302 A, this breaker delivers reliable interruption when overloads or faults occur, helping to protect equipment and maintain power continuity.

Core specifications

• Part number: HJA260302AABC
• Poles: 2
• Voltage rating: 600 V
• Current rating: 260302 A
• Common references: 260302A, 260302 A

What sets this Square D breaker apart

• Two-pole protection in a single unit, enabling simultaneous protection of two conductors and improving coordination in multi‑wire circuits.
• 600 V maximum system voltage makes it suitable for higher‑voltage distribution equipment and commercial/industrial applications.
• Precise form and fit with Square D panelboards and distribution gear, ensuring dependable operation and straightforward replacement in compatible systems.
• Built for consistent trip performance to help minimize collateral damage during faults and reduce downtime for maintenance teams.

Ideal use cases

• Protecting dual-circuit feeders in commercial electrical panels where two hot legs require synchronized interruption.
• Industrial applications that operate at higher voltages and demand reliable, coordinated circuit protection.
• Replacement for aging or failed breakers in compatible Square D installations, helping extend the life of existing panel boards.

Installation and practical considerations

• Ensure full compatibility with your Square D panel or distribution equipment before installation.
• Verify that the current rating aligns with the protected circuit’s load and protection strategy.
• Consult the manufacturer’s installation instructions to confirm mounting, wiring, and trip characteristics are followed for safe and effective operation.