Square D FHL3610016DC1616 100A 3-Pole 600 V Circuit Breaker

Meet a trusted safeguard for your three‑phase power: the Square D FHL3610016DC1616. This 100 A, 3‑pole circuit breaker is engineered to handle demanding commercial and light industrial panels, delivering reliable protection for circuits operating up to 600 V. Built with Square D's quality, it’s designed to keep critical equipment running smoothly while minimizing downtime from electrical faults.

What it does

This device serves as a precise overcurrent barrier for multi‑phase systems. By interrupting fault currents quickly and safely, it protects conductors, motors, and connected loads from damage, while helping your electrical system maintain stability during fault events. Its 3‑pole design ensures synchronized protection across all phases, reducing the risk of imbalanced faults and partial failures in your distribution network.

Key specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: FHL3610016DC1616
• Application: Suitable for three‑phase power distribution in commercial or light industrial settings

Ideal applications

• Three‑phase feeders in commercial buildings, warehouses, and manufacturing facilities
• Protection for motors, pumps, conveyors, and other three‑phase equipment
• Replacement or upgrade in Square D panelboards requiring a reliable 100 A, 3‑pole, 600 V breaker

Why this model stands out

The FHL3610016DC1616 combines a proven Square D design with a precise 100 A protection threshold, making it a dependable choice for circuits where consistent performance matters. Its 3‑pole configuration delivers comprehensive phase coverage, which translates to improved reliability in complex power networks. Choosing this specific part number ensures you’re matching the exact specifications and mounting compatibility required by Square D panels, reducing installation guesswork and compatibility concerns.

Installation and best practices

• Confirm panel compatibility with the FHL series and ensure the mounting style matches your enclosure requirements
• Inspect labeling and system voltage to verify a maximum of 600 V is appropriate for your installation
• Follow your panel manufacturer’s wiring and torque guidelines during installation to maintain safe and reliable operation
• Label circuits clearly after installation to simplify maintenance and future troubleshooting

Maintenance and reliability tips

• Schedule periodic visual inspections for signs of wear, overheating, or corrosion at connections
• Test the breaker function as part of your preventative maintenance plan in accordance with safety standards
• Keep the surrounding panel area clean and free from dust and moisture to protect electrical contacts

Designed for professionals who demand dependable protection for 3‑phase power, the Square D FHL3610016DC1616 100A 3‑Pole 600 V Circuit Breaker is a precise, durable choice that aligns with standard industrial electrical practices. It’s more than a switch—it’s a safeguard that helps keep your operations resilient and your equipment protected.