Square D FH36090G Circuit Breaker, 90A, 3-Pole, 600V

The Square D FH36090G circuit breaker delivers reliable overcurrent protection for demanding industrial environments. With a 90 amp rating and a 3-pole design, it is built for three‑phase power systems found in manufacturing floors, distribution panels, and critical equipment rooms. Rated up to 600V, this breaker protects feeders and motors while helping prevent costly downtime from electrical faults. Key features and benefits

• 90 A, 3-pole configuration: Optimized for three-phase circuits, simplifying wiring and improving balance across phases in industrial panels.
• 600V maximum voltage rating: Compatible with standard industrial distribution networks, supporting a wide range of equipment and feeders.
• Brand-driven reliability: Square D is a trusted name in electrical protection, engineered for rugged service in harsh environments.
• Part number FH36090G: Clear, specific identification to ensure exact fit and intended performance in your panel or distribution board.
• Purpose-built for service, maintenance, and replacement: A ready-to-install solution when upgrading, repairing, or stocking spare parts for critical infrastructure.

Ideal use cases

• Upgrading or restoring protection in industrial control panels and power distribution centers.
• Replacing a failed or worn 3‑phase circuit breaker in manufacturing lines or plant machinery feeders.
• Part of a planned maintenance program to reduce unplanned downtime and extend equipment life.
• Spare part for essential facilities where reliable power protection is a must.

Why this part matters

The FH36090G isn’t just a component—it's a safeguard for your entire electrical ecosystem. With the correct part number, you guarantee compatibility with your existing panels and meet your system’s protection requirements. The 3‑pole, 90 A configuration ensures robust interruption of fault currents in three‑phase networks, supporting safer startup sequences and consistent performance under load.

Compatibility and fit guidance

To ensure correct installation, verify fit by the exact part number FH36090G and assess your application requirements (voltage, current, and panel design). If you need help matching a part number or confirming compatibility, message us and we’ll assist you in making sure this breaker is the right choice for your system.

Installation and handling tips

• Power down and lockout/tagout before installation or removal of breakers.
• Confirm that your panel or distribution board is rated for 600V and supports a 3‑pole device of this size.
• Follow manufacturer installation guidelines and local electrical codes to ensure safe, compliant operation.

Ready for your industrial project

Choose the Square D FH36090G for dependable protection of 3‑phase feeders, motors, and critical equipment. This part is the precise, compatible solution you need for service, maintenance, and replacement work—backed by the trust of Square D’s engineering heritage. If you’re unsure about fit, reach out with your application details and part number, and we’ll help confirm compatibility so you can proceed with confidence.