Square D HDA36080SP 80A 3-Pole 600 V Circuit Breaker

Square D HDA36080SP: 80A, 3-Pole, 600V Circuit Breaker for Reliable Three-Phase Protection

The Square D HDA36080SP delivers dependable overcurrent protection for three-phase electrical systems up to 600 V. With an 80 A rating and a three-pole design, this circuit breaker is built to safeguard industrial and commercial panels, keeping critical equipment—from motors to processing lines—up and running while minimizing the risk of overloads and short circuits.

Key specifications at a glance

• Current rating: 80 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36080SP

Ideal use cases

Designed for three-phase distribution, the HDA36080SP fits a wide range of applications, including:

• Industrial machinery and production lines powered by 3-phase 600 V systems
• Commercial electrical distribution panels requiring reliable three-pole protection
• Motor control centers and switchgear where quick, clear disconnection protects both equipment and personnel

What makes this breaker stand out

• Compact three-pole design provides robust protection without sacrificing enclosure space, making it easier to upgrade or replace in existing Square D installations.
• Strong compatibility with Square D panels and common 3-phase distribution configurations, simplifying procurement and maintenance for built-out electrical systems.
• Specific, trackable spec alignment with an exact current rating (80 A) and voltage rating (600 V), helping engineers plan protection strategy with precision and confidence.

Why it matters for your operation

Three-phase circuits demand dependable protection to prevent expensive downtime and equipment damage. The HDA36080SP provides a clear, responsive protection point for your distribution network, enabling quick isolation of faults and reducing arc-flash risk in maintenance scenarios. Its 600 V rating is suited for industrial environments where higher voltage levels are common, while the 80 A setting balances protection with uninterrupted power for essential loads.

Practical installation and maintenance tips

• Ensure your panel or distribution system is compatible with the HDA series form factor and supports 600 V operation.
• Verify that the replacement part matches the exact order number (HDA36080SP) to guarantee proper fit and trip characteristics.
• Follow all manufacturer installation instructions and use the correct torque specifications as outlined in the product datasheet.
• Keep spare units on hand to streamline maintenance and minimize equipment downtime during routine panel servicing.

Who benefits most

Electrical engineers, facility managers, and maintenance teams in manufacturing facilities, data centers, and commercial complexes will appreciate the precision, reliability, and straightforward integration of the Square D HDA36080SP for three-phase protection needs up to 600 V.

With the HDA36080SP, you get a purpose-built, three-pole breaker that aligns with established Square D distribution ecosystems, helping you maintain safe, efficient, and compliant electrical operations.