Square D HGA36100U43XAABCSJ 100A 600 V Circuit Breaker

Meet the Square D HGA36100U43XAABCSJ circuit breaker — a precise, dependable protection device built for demanding electrical systems. With a 100 A current rating and a 600 V maximum, this unit is designed to reliably interrupt fault currents and protect wiring and equipment in commercial and industrial panels. The exact part number HGA36100U43XAABCSJ identifies the replacement you need, helping you maintain accurate inventory and seamless panel maintenance.

Key details

• Part Number: HGA36100U43XAABCSJ
• Brand: Square D
• Current rating: 100 A
• Voltage rating: 600 V
• Product type: circuit breaker

Why this matters for your electrical system

• Exact replacement fit: Using the precise part number ensures compatibility with your Square D panels, reducing downtime and the risk of improper substitutions.
• Robust protection for higher-demand circuits: A 100 A rating supports larger feeders and critical loads without compromising safety.
• Versatile voltage compatibility: Rated up to 600 V, making it suitable for a range of commercial and industrial applications where reliable fault interruption is essential.

Ideal use cases

• Feeding large branch circuits in commercial spaces, such as offices, retail locations, or data centers.
• Protecting motors and heavy equipment in manufacturing, processing, or HVAC systems.
• Replacement in existing Square D panels where a 100 A, 600 V protection device is specified.

Installation and maintenance tips

• Confirm panel compatibility: Ensure the panel accepts the HGA36100U43XAABCSJ part and that the system voltage matches your installation.
• Follow safety best practices: De-energize equipment before replacement, inspect for signs of wear, and verify the trip mechanism operates correctly before returning to service.
• Document for future servicing: Record the exact part number in your maintenance logs to streamline future replacements and orders.

For professionals seeking reliable, straightforward circuit protection, the Square D HGA36100U43XAABCSJ delivers clear value: accurate replacement identification, solid 100 A protection, and compatibility with Square D panels, ensuring safer, more dependable electrical systems.