Square D HDA260504AABCSJ 260504A 3-Pole 600 V Circuit Breaker

Introducing the Square D HDA260504AABCSJ (260504A) — a rugged, three-pole, 600 V circuit breaker designed to protect three‑phase electrical installations with precision. Built for reliability in demanding environments, this component delivers dependable overcurrent protection for motors, machines, and distribution panels, helping you minimize downtime and safeguard wiring and equipment.

Why this 3-Pole 600 V breaker stands out

• Three-pole protection ensures synchronized tripping across all phases, maintaining phase balance and reducing the risk of secondary faults in three‑phase systems.
• 600 V voltage rating fits a broad range of industrial and commercial applications, from manufacturing floors to process lines.
• Trusted Square D quality backed by Schneider Electric’s heritage in electrical protection and panel integration for consistent performance in standard enclosures.
• Clear part identification simplifies ordering and replacement with the designation HDA260504AABCSJ and the associated model tag 260504A.
• Durable construction built to withstand the rigors of industrial use, delivering long service life and predictable operation.

Ideal applications and use cases

This 3‑pole, 600 V circuit breaker is well suited for:

• Three‑phase motor circuits in manufacturing equipment and conveyors
• HVAC and large cooling systems with three‑phase loads
• Industrial control panels and process lines requiring robust, reliable overload protection
• New installations or replacements in Square D panels that require a precise 3‑pole protector with a 600 V rating

Installation and practical tips

• Ensure panel compatibility with the HDA260504AABCSJ and that the mounting configuration matches your enclosure requirements.
• Adhere to manufacturer torque specifications on terminations to maintain secure connections and reliable trips.
• Keep a spare unit on hand for rapid field replacement to minimize downtime during maintenance windows.

Specifications at a glance

• Part Number: HDA260504AABCSJ
• Model/Variant: 260504A
• Poles: 3
• Voltage Rating: 600 V