Square D | IF360801021 | Circuit Breaker | 80A | 3-Pole | 600V

Square D IF360801021 is a reliable circuit breaker engineered for demanding three-phase applications. With an 80-amp rating and three poles, this unit is built to protect circuits in systems operating at up to 600 volts, making it a solid choice for commercial and light industrial panels that require robust overload protection and dependable disconnection.

Designed for maintenance, retrofit, and replacement projects, this breaker ensures you can preserve system safety and performance by matching exact specifications. The part number IF360801021 is the best reference for compatibility, helping you verify fit without guesswork when updating older equipment or upgrading panel protection.

Key specifications

• Amperage: 80 A
• Poles: 3-Pole
• Voltage rating: 600 V

Why choose this Square D breaker

Choosing the right breaker isn’t just about current rating. A correctly matched 3-pole device ensures proper protection across all conductors in a three-phase setup and aligns with Square D’s design standards for form factor and mounting. This makes it a dependable choice for panels that require a precise 80A, 3-pole solution and a 600V operating range, helping you maintain electrical safety, reduce nuisance trips, and support consistent performance across critical equipment.

Ideal use cases

• Maintenance on existing three-phase panels that require an 80 A, 3-pole, 600 V protection device
• Retrofits to upgrade aging protection and bring panel safety up to current standards
• Replacements in commercial or light industrial installations where a compatible Square D breaker is specified by the panel manufacturer

Practical installation notes: ensure the panel is designed for Square D devices and that the IF360801021 matches the panel’s bus configuration. Always confirm fit and ratings before ordering, and use the part number as your primary compatibility reference. If you’re unsure about panel compatibility, consult a licensed electrician to verify that the device will install correctly and safely within your electrical system.