HFD1090 | Circuit Breaker | 90A | 1-Pole | 277V

Introducing the HFD1090, a purpose-built industrial circuit breaker engineered to safeguard critical power circuits with dependable, straightforward protection. This 90A, 1-pole unit handles 277V applications, making it a practical choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 90A
• Poles: 1-Pole
• Voltage: 277V

Where this breaker shines

Designed for commercial and light industrial environments, the HFD1090 excels in protecting branch circuits, lighting runs, and control circuits that operate at 277V. It’s a reliable match for panel retrofit projects, spare-part inventories, and on-site replacements where maintaining electrical protection is critical for uptime and safety.

Why choose the HFD1090 for your project

• Direct compatibility with systems that run on 277V, delivering consistent protection without the need for expensive adapters or conversions.
• Single-pole configuration simplifies installations in panels that require straightforward, reliable overcurrent protection for a single phase.
• Industrial-grade design focused on durable performance in maintenance and retrofit scenarios where exact specifications are essential.

Compatibility and ordering tips

Before ordering, verify fit and ratings for your specific panel or distribution setup. The part number HFD1090 is the most reliable reference for ensuring compatibility, so use it when cross-referencing with your equipment documentation or manufacturer catalogs.

Practical use and installation considerations

• Ideal for maintenance cycles, panel upgrades, and replacement of aging protection devices in 277V circuits.
• Keep a spare HFD1090 on hand for rapid service and reduced downtime during scheduled maintenance.
• When replacing, follow your panel manufacturer’s installation guidelines and perform proper lockout/tagout procedures to ensure a safe, compliant process.