Square D FH36050 - 50 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Square D FH36050 is a 50-amp, 600-volt, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for quick, downtime-minimizing maintenance, this device pairs rugged utility with precise protection for demanding electrical systems.

• Fast plug-in connection supports rapid installation and straightforward replacement, reducing panel downtime and simplifying service work.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying load conditions, helping prevent nuisance trips while ensuring short-circuit events are reliably interrupted.
• Three-pole configuration at 50A, 600V is ideal for 3-phase distribution, accommodating higher voltage circuits and commercial or light industrial applications.
• OEM-compatible design is engineered to fit with matching Square D OEM load centers and panelboards, ensuring clean electrical clearance and proper trip coordination.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable, clear overcurrent protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: FH36050
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 50 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this FH36050 stands out

In panel installations where uptime is critical, a plug-in MCCB like the FH36050 minimizes service time and reduces the risk of installation errors. Its thermal-magnetic trip mechanism delivers consistent protection—detecting both overloads and short circuits with a balanced response that supports reliable coordination with adjacent protective devices. For engineers and technicians, this means fewer unexpected trips and a clearer path to compliant, safer electrical systems.

Ideal use scenarios

• Upgrading or replacing aging protection in commercial panelboards or light industrial load centers that rely on dependable 3-phase distribution.
• Installing new 3-pole protection at 50 A for equipment rooms, data centers, or multi-zone commercial spaces where fast plug-in replacement reduces downtime.
• Ensuring consistent overcurrent and short-circuit protection in systems that demand compatibility with Square D OEM panels for seamless coordination.

Choosing the right protection device matters for safety, reliability, and long-term maintenance. The Square D FH36050 combines a robust 50 A, 600 V, 3-pole design with a plug-in format and a thermal-magnetic trip unit, delivering targeted, dependable protection where it counts most.