Square D FI36050 - 50 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Introducing the Square D FI36050 — a 50 A, 600 V, 3-pole plug-in molded case circuit breaker built to protect your electrical distribution with speed and reliability. Designed for rapid installation in panelboards and load centers, this unit is a practical choice for professional installations and productive upgrades.

Fast plug-in connection for quick installation and replacement. The FI36050 is engineered for straightforward plug-in mounting, reducing installation time and ensuring a secure electrical connection. That means less downtime during service work and faster, cleaner replacements when updates are required.

Thermal-magnetic trip unit for stable, repeatable protection. This breaker combines thermal overload protection with magnetic short-circuit protection, delivering a predictable, repeatable response across a range of loads and fault conditions. Expect reliable performance that safeguards conductors and equipment from overheating and sudden faults.

OEM-compatible for seamless integration. Built to be compatible with matching OEM load centers and panelboards, the FI36050 integrates smoothly with existing infrastructure, preserving panel coordination and simplifying retrofits or new builds.

Key specifications

• Amperage rating: 50 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Plug-in molded case circuit breaker
• Type: Thermal-magnetic
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential, commercial, and light industrial panelboards and load centers needing reliable protection for 50 A circuits
• Rapid-replace scenarios or upgrades where a plug-in solution minimizes downtime
• New installations requiring a three-pole, 600 V protection solution for three-phase or multi-wire circuits

Practical considerations

• Verify compatibility with your panelboard or load center’s plug-in design and 50 A, 600 V rating before installation
• Expect stable trip behavior under mixed-load conditions thanks to the thermal-magnetic protection
• Maintain a small inventory of FI36050 units for quick, efficient service and replacements

With its focused design for dependable overcurrent and short-circuit protection and its plug-in convenience, the Square D FI36050 stands out as a practical, consistent choice for technicians and builders who value speed, reliability, and seamless compatibility in electrical distribution systems.