Square D BJL36100 - 100 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Square D BJL36100 is a compact, 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. With a 100A rating and a 600V upper limit, this unit is built to handle the demands of today’s residential, commercial, and light industrial electrical distributions. Available from AmpState, it pairs seamlessly with matching Square D OEM panels for consistent protection across your system.

• Precise thermal-magnetic trip for reliable protection – The integrated thermal-magnetic trip unit delivers stable, repeatable response to overcurrent and short-circuit conditions, reducing nuisance trips while guarding wiring and equipment.
• Space-efficient molded case design – Narrow profile and robust construction maximize panel space without sacrificing protection or durability.
• 3-pole configuration for 3-phase systems – Ideal for commercial and light industrial circuits that run on 3-phase power, ensuring synchronized protection across all conductors.
• OEM panel compatibility – Designed to install and operate with matching Square D panelboards and loadcenters, helping maintain consistent electrical performance and simplified stocking.
• Versatile application – Suitable for branch circuit protection in a variety of installations, from small offices to service panels in workshops and light manufacturing.

Technical snapshot: - Manufacturer: Square D - Part Number: BJL36100 - Type: Thermal-magnetic molded case circuit breaker - Amperage Rating: 100A - Voltage Rating: 600V - Number of Poles: 3 - Application: Branch circuit overcurrent and short-circuit protection

Use cases and installation considerations

• Primary protection for 3-phase feeders in commercial load centers, where reliable interrupting capability is critical for safety and uptime.
• Replacement breaker for existing Square D installations, preserving trip characteristics and warranty alignment.
• Upgrade path for expanding panel capacity while maintaining consistent protection across circuits.

Choosing the Square D BJL36100 means choosing a breaker that aligns with your panel’s design, minimizes variances in trip behavior, and delivers predictable protection in demanding environments. It’s a practical, durable solution for electricians and facility managers who value reliability and panel-string cohesion.