Square D HDA36020 - 20A, 3-Pole, Circuit Breaker

The Square D HDA36020 20A, 3-Pole Circuit Breaker delivers dependable overcurrent protection in a compact three‑pole package designed for demanding electrical environments. Rated for 20A, this breaker provides reliable interruption of fault currents in panelboards, switchboards, and control panels where three‑phase power is in play.

Key specifications

• Current rating: 20A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Ideal applications

• Panelboards, switchboards, and control panels that serve three‑phase equipment
• Industrial machinery, manufacturing lines, and motor control centers requiring robust overcurrent protection
• OEM installations needing reliable, field-replaceable protection components

What sets this 3‑pole breaker apart

• Three‑pole design provides coordinated protection across three conductors in three‑phase systems, helping prevent imbalance faults and equipment damage
• Engineered for safe operation in critical distribution panels, reducing downtime and safeguarding personnel and assets
• Backed by Square D’s trusted protection lineup, with compatibility across common distribution infrastructure used in industrial and commercial settings

Practical benefits for your projects

• Simplifies panel upgrades by providing a ready‑to‑install 3‑pole, 20A protection device tailored for three‑phase circuits
• Ideal for motor control centers and distribution panels where consistent, predictable performance is essential
• Supports reliable protection across three phases, contributing to safer, more efficient electrical systems in facilities