Square D | FHB36050 | Circuit Breaker | 50A | 3-Pole | 600V

The Square D FHB36050 circuit breaker is a precise, reliable protection device designed for 3‑phase electrical systems. With a rating of 50A, 3 poles, and a 600V maximum, it's tailored for maintenance, retrofit, and replacement projects where exact specifications matter. Rely on this breaker to guard your equipment and keep power distribution operating safely and smoothly.

Key specifications

• Amperage: 50A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: FHB36050

Why this breaker stands out

• Designed for Square D panels and distribution systems that require precise 3‑pole protection for 3‑phase loads, including motors and feeders.
• Specifically matched to FHB36050 compatibility, reducing guesswork during replacement and retrofit projects.
• Durable construction and proven trip performance provide dependable protection in commercial and light industrial environments.
• Clear, referenceable part number makes ordering and cross-checking with documentation straightforward, minimizing downtime.

Ideal use cases

• Retrofits in legacy panels where a 50A, 3-pole, 600V protection device is required to support existing 3‑phase equipment.
• Maintenance replacements to restore original protection curves and electrical coordination within 3‑phase distribution systems.
• New installations in commercial facilities that demand robust overcurrent protection for three-phase feeders and machinery.

Installation and compatibility tips

Before ordering, confirm fit and ratings for your panel and bus configuration. The part number FHB36050 is the best reference for compatibility, so compare it with your panel labeling and service documentation. When installing, follow standard electrical safety practices, ensure the panel is de‑energized, and torque connections according to your panel manufacturer's specifications. If you’re upgrading from a lower amperage or different pole configuration, verify coordination with downstream devices to avoid nuisance tripping or protection gaps.

What you gain with this Square D breaker

• Reliable, industry‑standard protection against overloads for 3‑phase equipment.
• Clear alignment with Square D panel ecosystems, reducing compatibility risks.
• Clear documentation trail via the exact part number, simplifying replacements and future service orders.

In short, the Square D FHB36050 circuit breaker is your go‑to choice for authentic, spec‑matched 50A, 3‑pole, 600V protection in maintenance, retrofit, and replacement projects. Confirm fit with your panel’s documentation and proceed with confidence to keep your three‑phase systems safe and productive.