Square D | HJF36100 | Circuit Breaker | 100A | 3-Pole | 600V

Square D HJF36100 Circuit Breaker — 100A, 3-Pole, 600V is a rugged, field-ready protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. Built to meet demanding commercial and light industrial needs, this breaker helps you preserve system reliability while you upgrade or refresh panel protection.

Key specs at a glance: Amperage 100A, Poles 3-Pole, Voltage 600V. The part number HJF36100 is the most reliable reference for compatibility, ensuring you’re selecting the right unit for your Square D panelboard or disconnect where a 3‑pole, 600V device is required.

Why this Square D breaker stands out: it delivers trusted build quality and a proven track record in everyday electrical environments. By using the definitive HJF36100 reference, you can confidently replace or retrofit existing installations, reducing downtime and avoiding compatibility guesswork.

• Guaranteed compatibility when your panel or switchgear specifies HJF36100 or a compatible Square D 3-Pole, 600V breaker
• Ideal for three-phase circuits and equipment up to 600V, including motor feeders, compressors, and other three-phase loads
• Perfect for maintenance cycles, panel upgrades, and future-ready electrical systems that rely on standard Square D form factors
• Clear, auditable reference trail: use the part number to verify fit with your panelboard and service equipment

Installation reminders: verify the current rating, voltage, and pole configuration against your panel’s specifications before ordering. Correct compatibility is essential for reliable protection and code compliance.

Designed for: electrical contractors, facility managers, and maintenance teams working in commercial or light industrial settings that depend on dependable three‑phase protection up to 600V. If you’re replacing a worn breaker or upgrading your system’s protection, this Square D 100A 3-Pole 600V unit integrates smoothly with existing infrastructure and delivers dependable performance when it matters most.

Practical tip: keeping a spare HJF36100 on hand for planned replacements helps you maintain a precise upgrade schedule. Pair this with updated panel documentation to streamline future maintenance and inspections.