Square D HDA260704AA 260704A 2-Pole 600 V Circuit Breaker

Meet the Square D HDA260704AA 260704A, a purpose-built 2-pole circuit breaker engineered for dependable protection in 600-volt electrical installations. This unit interrupts current on both hot legs quickly, enhancing safety and helping panels meet electrical codes.

Key specifications

• Part Numbers: HDA260704AA (also listed as 260704A)
• Poles: 2
• Voltage Rating: 600 V

What makes it unique

The HDA260704AA belongs to Square D’s trusted HDA family, delivering a compact form with robust dual-pole protection. Designed for straightforward replacement in standard electrical panels, it offers predictable trip behavior and reliable performance across a range of applications within its 600 V rating.

Benefits in real-world use

• Dual-pole design ensures both hot lines are interrupted simultaneously, reducing the risk of line-to-line faults during maintenance or fault conditions.
• Reliable overcurrent protection for circuits serving industrial equipment, lighting, or general branch circuits within the panel’s rating.
• Seamless compatibility with existing Square D infrastructure, making it a straightforward upgrade or replacement in panels specified for HDA260704AA/260704A.

Ideal use cases

Use this 2-pole 600 V breaker for protecting feeders and branch circuits in commercial buildings and light-industrial settings. It’s well-suited for panelboard installations where dependable, two-conductor disconnection is required for safety and compliance.

Tips for installation and continued reliability

• Confirm the circuit requirements align with the 600 V rating and your panel’s listing. Match the breaker’s interrupting capacity to the connected load.
• When replacing an old breaker, ensure the mounting and terminations are compatible with the HDA260704AA footprint in your panel.
• Follow local electrical codes and safety practices during replacement or service to maintain performance and safety.