Square D | FAF36090 | Circuit Breaker | 90A | 3-Pole | 600V

Square D FAF36090 Circuit Breaker — a 90A, 3-Pole unit engineered for dependable protection in 3‑phase electrical systems up to 600V. Whether you’re performing maintenance, a retrofit, or a replacement, this breaker slots into compatible Square D panels to keep your electrical feed safe and uninterrupted.

• Amperage: 90A
• Poles: 3-Pole
• Voltage rating: 600V
• Best compatibility reference: FAF36090 — use this part number to confirm fit with your panel

Why choose the FAF36090 in your 3‑phase system? It delivers balanced protection across all three phases, helping prevent overcurrent events from propagating through the panel. Designed for reliability in industrial and commercial settings, it serves as a precise replacement or upgrade when your existing 90A, 3‑pole, 600V breaker needs refreshing without altering downstream wiring.

• maintenance on legacy Square D panels, retrofits that require the same 3‑pole, 600V specification, or replacements for failed 90A breakers in 3‑phase power distributions
• facilities with 3‑phase motor loads, panel upgrades, or service upgrades where matching specs minimizes downtime
• Practical benefits: consistent trip characteristics within the Square D family, straightforward swap-in installation for compatible panels, and a reliable protection device for 3‑phase circuits up to 600V

Before ordering, verify fit and ratings on your panel labeling. The FAF36090 part number is the strongest compatibility reference to ensure you’re selecting the correct 3‑pole, 90A breaker for 600V service within the Square D lineup.

• Installation tips: power down the system and follow proper lockout/tagout procedures; use only compatible mounting and termination hardware as specified by Square D
• Compatibility reminder: this unit is intended for panels designed to accept FAF36090 or equivalent Square D 3‑pole, 600V breakers