Square D HGA36100SJ 100A 600 V Circuit Breaker

Meet the Square D HGA36100SJ 100A 600V Circuit Breaker—a rugged, dependable overcurrent protector designed for demanding environments. Part of Square D’s HGA family, this 100 A device is engineered for up to 600 V systems, delivering fast, predictable trips when faults occur and helping protect both people and equipment.

Why choose the HGA36100SJ? Because it combines precise electrical protection with a compact, OEM-validated design that integrates smoothly into compatible Square D panels and distribution boards. With a 100-amp rating, it’s ideal for protecting feeders and branch circuits in commercial spaces, light industrial setups, and larger residential installations that demand solid, code-compliant protection.

Key specifications at a glance

• Part number: HGA36100SJ
• Current rating: 100 A
• Voltage rating: 600 V
• Brand: Square D (Schneider Electric)

What it protects and where it shines

• Protects feeders and branch circuits in commercial electrical panels, reducing damage from overloads and short circuits.
• Suitable for 600 V distribution networks, aligning with industrial and high-power installations.
• Ideal for panel upgrade projects where a proven, OEM-listed device ensures reliable performance and clear labeling.

Practical usage tips

• Ensure the breaker is compatible with your Square D panel model and mounting configuration to maintain warranty and labeling compliance.
• Use as part of a coordinated protection scheme alongside appropriate overload settings and equipment protection devices.
• Because it handles higher capacity, install in locations with adequate clearance and follow all safety procedures during installation and maintenance.

Designed to deliver dependable performance in the daily duty cycles of commercial, institutional, and light industrial environments, the Square D HGA36100SJ 100A 600V Circuit Breaker provides a purposeful, OEM-validated protection solution. Add it to your electrical distribution setup to ensure reliable fault protection and clear trip indication when faults arise.