Square D HDA260402AABC 260402A 2-Pole 600 V Circuit Breaker

Square D HDA260402AABC is a genuine Square D 2-Pole, 600 V circuit breaker built for reliable protection in demanding commercial and industrial environments. Identified by the part number HDA260402AABC and associated with the 260402A designation, this device is designed to safeguard electrical circuits while delivering predictable performance when it matters most.

Key specifications in plain terms:

• Current rating: 260402 A
• Poles: 2
• Voltage rating: 600 V
• Compatibility: specifically designed for Square D panels and the HDA-series family, ensuring a precise fit and consistent behavior in protected circuits

Why this model stands out

• Direct, OEM-fit replacement: engineered to drop into Square D panels with minimal fuss, reducing downtime during maintenance or upgrades.
• Two-pole protection: interrupts both conductors of a circuit, improving safety and ensuring balanced protection for equipment like motors, feeders, and control circuits.
• 600 V suitability: ideal for a range of commercial and light industrial applications where higher voltage protection is required.
• Traceable part identity: clear association with HDA260402AABC and 260402A for straightforward ordering, stocking, and service records.

Ideal use cases

Perfect for protecting feeders and motors in HVAC systems, manufacturing lines, and large building electrical distributions that operate at up to 600 V. If you’re upgrading an existing HDA-series panel or stocking spare parts for fast service restoration, this 2-pole breaker is a practical, reliable choice.

Installation and maintenance considerations

• Verify panel compatibility with HDA-series breakers before installation to ensure proper fit and electrical clearance.
• Follow standard mounting and torque specifications from Square D installation guidelines to maintain a secure, fault-free connection.
• Inspect for wear, corrosion, or signs of frequent tripping during routine maintenance, and replace promptly to prevent unplanned downtime.
• Maintain accurate records using the part number HDA260402AABC for easy procurement and warranty considerations.

Whether you’re upgrading an aging panel, stocking spare parts for critical infrastructure, or specifying a dependable 2-pole 600 V protection device, the Square D HDA260402AABC delivers the trusted performance and compatibility that professionals rely on.