Square D | HDP36020 | Circuit Breaker | 20A | 3-Pole

Meet the Square D HDP36020 Circuit Breaker — a precise 20A, 3-Pole protective device designed for maintenance, retrofit, and replacement needs where exact specs matter. Built to integrate seamlessly with compatible Square D panels, this breaker helps keep electrical systems safe and reliable during upgrades or service work.

• Amperage: 20A
• Poles: 3-Pole
• Part number: HDP36020
• Brand: Square D
• Use case: ideal for maintenance, retrofit, and replacement where matching specs are required

Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Why choose the HDP36020 for your panel:

• Direct fit and reliable compatibility: Designed to match Square D panels that require a 3-Pole, 20A device, ensuring straightforward installation without guesswork.
• Consistent protection: A dedicated 20-amp breaker with a 3-pole configuration provides predictable trip characteristics, helping safeguard multi-wire or three-phase circuits where applicable.
• Intended for service scenarios: Ideal for routine maintenance, panel retrofits, and replacement projects where exact specifications are essential to maintain panel integrity and safety.
• Clear reference for replacements: Using the HDP36020 part number ensures you select the correct device for your existing panel lineup, reducing downtime and mis buys.

Practical use cases you might encounter:

• Upgrading or refurbishing a commercial or industrial panel that requires a 20A, 3-Pole protection scheme.
• Replacing a failed or worn 3-Pole breaker with a unit that exactly matches the original specifications.
• Performing a retrofit where panel inventories depend on precise part numbers to maintain electrical code compliance and device interoperability.

Guidance for a smooth replacement:

• Double-check the panel labeling to confirm the required amperage and pole count before installation.
• Cross-check the reference part number HDP36020 as the definitive compatibility indicator.
• Ensure the circuit is de-energized and safety procedures are followed during replacement to protect yourself and the panel.