Square D HDL36020 - 20 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D HDL36020—a 20A, 600V, 3-pole molded case circuit breaker designed to safeguard your panels with precision and reliability. Built for dependable branch circuit overcurrent and short-circuit protection, this breaker fits seamlessly into compatible panelboards and loadcenters, keeping your electrical system protected and compliant.

Why choose the HDL36020 for your panel?

• Space‑efficient protection: The compact molded‑case design makes the most of your panel space, helping you fit more circuits without sacrificing protection.
• Stable, repeatable protection: A thermal‑magnetic trip unit delivers consistent responses to both overloads and short circuits, even as ambient conditions change.
• 3‑pole configuration for multi‑phase systems: Designed to interrupt all three conductors in 3‑phase installations, enabling reliable protection for commercial and light industrial layouts.
• OEM‑grade compatibility: Engineered to be compatible with matching Square D OEM loadcenters and panelboards, ensuring correct fit, electrical coordination, and easy replacement.
• Versatile installation profile: Ideal for residential, commercial, and light industrial applications where robust circuit protection is essential.

Technical specifications at a glance

• Manufacturer: Square D
• Part number: HDL36020
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 20 A
• Voltage rating: 600 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short‑circuit protection

Practical scenarios you’ll encounter with the HDL36020 include panel expansions in small offices, retail spaces with multiple 3‑phase feeders, or service upgrades in light industrial environments where compact, reliable protection is non‑negotiable. When you need a dependable 3‑pole breaker that plays nicely with your existing Square D panels and delivers predictable trips, the HDL36020 is engineered to perform.

Installation and compatibility notes: choose the HDL36020 when your loadcenter or panelboard is designed for Square D molded‑case breakers in the HDL family. This ensures proper fit, coordinated protection across circuits, and straightforward replacement without extensive panel modifications. Always follow local electrical codes and manufacturer installation guidelines to maintain safety and reliability.