Square D HDA36100 100A 3P 600V Circuit Breaker | AmpState

Square D HDA36100 delivers robust three-phase protection for commercial and industrial electrical distributions. This 100 A, 3-pole, 600 V circuit breaker is purpose-built for panelboards, load centers, and distribution gear, ensuring you have a precise, reliable safeguard for critical circuits.

Designed for replacement projects and strategic spare stocking, the HDA36100 helps you keep your bill of materials (BOM) aligned with the original part number. When downtime matters, this part slides into modern or legacy Square D panels without forcing compromises on ratings or performance.

What makes this breaker stand out

• Exact fit for original equipment: Part Number HDA36100 ensures compatibility with Square D panelboards and distribution gear, preserving labeling, trip characteristics, and wiring terminations.
• Three-pole, 600 V protection: Ideal for three-phase systems, handling up to 100 A with coordinated protection across all phases.
• Trusted Square D reliability: Built by a leading brand in electrical protection, known for consistent trip performance and long-term durability.
• Stock and replace with confidence: AmpState availability simplifies procurement, making it easier to maintain spares without risking mismatches.
• Supportive compatibility checks: If you’re unsure about fit, you can reach out and AmpState can help verify compatibility with your panel model and BOM.

Ideal use cases

• Replacement parts for panelboards and load centers in commercial and light industrial installations.
• Strategic spares to ensure rapid recovery from tripped-circuit scenarios without BOM drift.
• Projects that require adherence to original part numbers for maintenance and compliance records.

How this breaker protects your system

With a 100 A rating and a three-pole configuration, the HDA36100 provides coordinated protection across all three phases. Its 600 V rating supports a wide range of equipment and drive systems, helping prevent overcurrent conditions and reducing the risk of service interruptions.

Availability: The HDA36100 is available from AmpState. If you need help matching a part number or confirming compatibility with your exact panel model, send a quick message and our team will assist you in confirming fit.